Transmission Compatibility for 2JZ Engine Swaps 🚗🔥
The Toyota 2JZ engine is legendary in the automotive world, known for its incredible durability, high horsepower potential, and versatility in engine swaps. Whether you’re building a street car, drift machine, or drag racing beast, choosing the right transmission for your 2JZ swap is just as important as selecting the engine itself.
A poorly matched transmission can lead to power loss, drivability issues, and mechanical failures, while the right choice can maximize performance and reliability.
What This Guide Covers
This comprehensive guide will cover everything you need to know about 2JZ transmission compatibility, including:
✅ Best manual and automatic transmission options for a 2JZ swap
✅ Pros & cons of different transmissions based on power goals
✅ Cost breakdown of transmission swaps
✅ Necessary modifications & installation process
✅ Step-by-step guide for a successful transmission swap
By the end of this article, you’ll have a clear roadmap to selecting the perfect transmission for your 2JZ-powered build.
Why Transmission Choice Matters in a 2JZ Swap
The 2JZ engine is versatile, but transmission compatibility is key. Here’s why:
💡 Power Handling – The wrong transmission can fail under the power of a turbocharged 2JZ.
💡 Drivability – Different gear ratios affect acceleration, highway cruising, and shifting feel.
💡 Cost Efficiency – Some transmissions are expensive (like the V160), while others (like the CD009) offer great value.
💡 Ease of Installation – Some transmissions bolt up easily, while others require custom work.
This guide will help you make an informed decision based on your budget, power goals, and driving style.
Overview of the 2JZ Engine & Stock Transmission Pairings 🏎️
Before diving into aftermarket transmission options, it’s essential to understand the stock transmission pairings for the 2JZ-GTE and 2JZ-GE engines. These factory options provide insight into direct-fit choices and why many enthusiasts upgrade to stronger transmissions.
1. Toyota 2JZ Engine Variants & Stock Transmissions
The 2JZ engine family consists of two main variants, each with its own factory transmission pairings:
🔹 2JZ-GTE (Twin-Turbo Performance Model)
✅ Found in: Toyota Supra MK4, Toyota Aristo, Soarer, Chaser
✅ Factory Power: 276-320 HP (Underrated by Toyota)
✅ Stock Transmissions:
- Getrag V160/V161 (6-Speed Manual) – Legendary supra transmission, built for high horsepower applications.
- Toyota A340E (4-Speed Automatic) – Used in Aristo, Chaser, and automatic Supra models.
💡 Why Swap? – The V160 is expensive & rare, and the A340E requires upgrades for high power.
🔹 2JZ-GE (Naturally Aspirated Model)
✅ Found in: Lexus IS300, GS300, SC300, Toyota Aristo
✅ Factory Power: 215-230 HP
✅ Stock Transmissions:
- Toyota W58 (5-Speed Manual) – Common in non-turbo models but weak for turbo builds.
- Toyota A340E (4-Speed Auto) – Same as the turbo version but lower torque capacity.
💡 Why Swap? – The W58 struggles with high power, and the A340E may need a rebuild for turbo applications.
2. Why Most 2JZ Swaps Need a Transmission Upgrade
Most 2JZ swaps require transmission upgrades because factory options aren’t always ideal for higher horsepower builds. Here’s why:
🔹 V160/V161 (6-Speed Manual) is rare & expensive – Costs $10,000+, making it unrealistic for most builds.
🔹 W58 (5-Speed Manual) is weak – Good for NA 2JZ swaps, but not suitable for turbo setups.
🔹 A340E (Auto) needs reinforcement – Requires valve body upgrades & stall converter for high horsepower.
✅ Common Upgrade Path:
- Stock 2JZ Manual Transmissions → R154 (5-Speed) or CD009 (6-Speed)
- Stock 2JZ Auto Transmissions → TH400, A340E (Built), or A650E
By choosing the right aftermarket transmission, you can maximize power, reliability, and driving experience.
Best Manual Transmissions for a 2JZ Swap 🏎️⚙️
For enthusiasts who prefer the control, engagement, and durability of a manual transmission, choosing the right gearbox is essential for a successful 2JZ swap. A weak or incompatible transmission can lead to power loss, mechanical failures, or a poor driving experience.
Below, we compare the best manual transmissions for a 2JZ swap, considering strength, affordability, availability, and modification requirements.
1. Getrag V160/V161 (6-Speed) 🏆 [OEM Supra]
🔹 Factory-Fitted in: Toyota Supra MK4 (JZA80)
🔹 Horsepower Rating: 1,000+ HP
🔹 Price Range: $10,000 – $12,000+ (Used, Rare)
✅ Pros:
✔️ Built for the 2JZ – No adapter needed; direct bolt-on fitment.
✔️ Extremely durable – Handles 1,000+ HP stock.
✔️ Smooth shifting & close gear ratios – Ideal for track, street, and drag racing.
❌ Cons:
❌ Very expensive – One of the most expensive transmissions on the market.
❌ Hard to find parts – Limited supply makes repairs and replacements difficult.
💡 Best For: High-budget builds, OEM+ Supra restorations, and extreme horsepower setups.
2. Toyota R154 (5-Speed) 🔥 [Best Budget Toyota Transmission]
🔹 Factory-Fitted in: Toyota Soarer, Chaser, Cresta
🔹 Horsepower Rating: 600-700 HP
🔹 Price Range: $2,500 – $3,500 (Used)
✅ Pros:
✔️ Strong enough for moderate builds – Can handle up to 600 HP reliably.
✔️ More affordable than the V160 – Costs one-third of the price.
✔️ Many aftermarket upgrades available – Reinforced synchros, billet shift forks, and stronger gear sets.
❌ Cons:
❌ Not as strong as the V160 – Needs upgraded components for 700+ HP builds.
❌ Shifter position may need modification – Depending on the chassis used.
💡 Best For: Street & drift builds up to 600-700 HP, Toyota enthusiasts looking for a Toyota-built transmission.
3. Nissan CD009 (6-Speed) 🏎️ [Best Budget High-HP Option]
🔹 Factory-Fitted in: Nissan 350Z, Infiniti G35
🔹 Horsepower Rating: 800+ HP
🔹 Price Range: $800 – $1,500 (Used)
✅ Pros:
✔️ Handles high horsepower reliably – Rated up to 800 HP with stock internals.
✔️ Affordable alternative to Toyota options – Costs way less than V160 & R154.
✔️ Easily available – Found in many 350Z and G35 models.
❌ Cons:
❌ Requires an adapter plate – Needs custom bellhousing and shifter modifications.
❌ Shifter position may not align perfectly – May require custom linkage or tunnel modifications.
💡 Best For: Budget high-power builds, drift cars, and street applications needing a strong 6-speed manual.
4. BMW Getrag 420G (6-Speed) 🏁 [Strong Euro Alternative]
🔹 Factory-Fitted in: BMW E46 M3, BMW E39 M5
🔹 Horsepower Rating: 800+ HP
🔹 Price Range: $1,500 – $2,500 (Used)
✅ Pros:
✔️ Handles high power levels – Rated for 800 HP+, great for turbo builds.
✔️ More affordable than the V160 – Similar strength but cheaper.
✔️ Smooth shifting & high RPM capability – Designed for performance driving.
❌ Cons:
❌ Requires an adapter kit – Needs custom bellhousing & transmission mounts.
❌ Limited aftermarket support in the US – More common in Europe.
💡 Best For: High-performance track cars and 2JZ swaps into BMW chassis.
5. Toyota W58 (5-Speed) ⚠️ [For NA 2JZ Builds ONLY]
🔹 Factory-Fitted in: Non-Turbo Toyota Supras, Lexus SC300
🔹 Horsepower Rating: 250-300 HP
🔹 Price Range: $500 – $1,200 (Used)
✅ Pros:
✔️ Very cheap – One of the cheapest options for a 2JZ swap.
✔️ Direct bolt-on for 2JZ-GE – No need for adapter plates.
✔️ Good for low-power, budget builds – Ideal for NA 2JZ engines.
❌ Cons:
❌ Weak transmission – Can’t handle turbo power or high RPM shifting.
❌ Not upgradeable for high HP builds – Gearset is too weak for boosted applications.
💡 Best For: Budget naturally aspirated 2JZ swaps (Non-Turbo).
Manual Transmission Comparison Chart
| Transmission | Horsepower Rating | Stock Fitment | Adapter Required? | Price Range (Used) | Best For |
| V160/V161 | 1,000+ HP | Yes (Supra MK4) | No | $10,000+ | High-end, 6-speed Supra builds |
| R154 | 600-700 HP | Yes (Soarer, Chaser) | No | $2,500+ | Budget manual swap with Toyota parts |
| CD009 | 800+ HP | No | Yes | $800 – $1,500 | Best budget 6-speed for high HP builds |
| Getrag 420G | 800+ HP | No | Yes | $1,500 – $2,500 | BMW swaps & track builds |
| W58 | 250-300 HP | Yes (NA Supra, SC300) | No | $500 – $1,200 | Only for naturally aspirated 2JZ builds |
Final Verdict: Which Manual Transmission Should You Choose?
✅ Best Budget Transmission: Nissan CD009 – Most power for the least money.
✅ Best OEM Toyota Option: R154 – Reliable for 600 HP+, but pricier than CD009.
✅ Best for 1,000+ HP Builds: Getrag V160 – Ultimate choice, but costs $10K+.
✅ Best for NA 2JZ Builds: W58 – Only for low-power, budget swaps.
Choosing the right manual transmission for your 2JZ swap depends on:
⚙️ Your power goals
💰 Your budget
🛠️ How much fabrication work you’re willing to do
If you want a direct bolt-in swap, go for R154. If you need a budget-friendly 6-speed, CD009 is the best option. For big power builds, V160 is king (if you can afford it).
Best Automatic Transmissions for a 2JZ Swap ⚙️🚗
For those who prefer seamless shifting, drag racing reliability, or daily driving convenience, an automatic transmission can be a great choice for a 2JZ swap. While manual transmissions offer more driver control, automatic gearboxes can handle massive power, provide quicker shifts, and reduce drivetrain shock in high-HP builds.
Below, we compare the best automatic transmissions for a 2JZ swap, considering strength, affordability, modification requirements, and performance advantages.
1. Toyota A340E (4-Speed Auto) ⚙️ [Best OEM Option]
🔹 Factory-Fitted in: Toyota Supra, Lexus GS300, Toyota Chaser, Aristo
🔹 Horsepower Rating: Stock – 300 HP | Built – 700 HP+
🔹 Price Range: $500 – $1,500 (Used)
✅ Pros:
✔️ Direct Fitment – Comes factory with many 2JZ-powered cars.
✔️ Budget-Friendly – Affordable OEM Toyota transmission.
✔️ Can Be Built for High HP – Upgraded valve body & torque converter supports 700+ HP.
❌ Cons:
❌ Stock Unit is Weak – Needs upgrades for high-power applications.
❌ Not as Fast as a Performance Auto – TH400 shifts faster in drag racing.
💡 Best For: Street builds & daily drivers, can be upgraded for drag racing.
2. GM TH400 (3-Speed Auto) 🏁 [Best Drag Racing Transmission]
🔹 Factory-Fitted in: GM Muscle Cars (Chevrolet, Pontiac, Oldsmobile)
🔹 Horsepower Rating: Stock – 700 HP | Built – 1,500+ HP
🔹 Price Range: $1,200 – $2,500 (Used/New)
✅ Pros:
✔️ Unmatched Strength – Used in 1,500+ HP drag racing builds.
✔️ Simple & Reliable – Fewer gears mean less stress on internals.
✔️ Lightning-Fast Shifts – Best for straight-line performance.
❌ Cons:
❌ No Overdrive Gear – Not great for highway driving.
❌ Requires Adapter Kit – Needs custom bellhousing to fit 2JZ.
💡 Best For: High-horsepower drag racing setups where speed & durability matter.
3. Toyota A650E (5-Speed Auto) 🚗 [Best for Highway Cruising]
🔹 Factory-Fitted in: Lexus GS400, Lexus SC430
🔹 Horsepower Rating: Stock – 350 HP | Built – 600 HP+
🔹 Price Range: $800 – $1,500 (Used)
✅ Pros:
✔️ 5th Gear Overdrive – Better fuel efficiency than A340E.
✔️ Can Be Built for Performance – Valve body upgrades allow quicker shifts.
✔️ Direct Fit for Lexus 2JZ Swaps – Easier install in GS300 or SC300.
❌ Cons:
❌ Limited Aftermarket Support – Fewer upgrades compared to A340E.
❌ ECU Control Needed – Requires standalone tuning for optimal performance.
💡 Best For: Street-driven 2JZ swaps that need an automatic with overdrive.
4. Nissan RE5R05A (5-Speed Auto) ⚡ [Best High-Tech Auto]
🔹 Factory-Fitted in: Nissan 350Z, Infiniti G35, Nissan Titan
🔹 Horsepower Rating: Stock – 400 HP | Built – 800 HP+
🔹 Price Range: $1,000 – $2,500 (Used/New)
✅ Pros:
✔️ Modern 5-Speed Automatic – More refined than Toyota’s A340E.
✔️ Can Be Tuned for Quick Shifts – Used in turbo 350Z drag racing builds.
✔️ Good High HP Potential – Handles 800 HP with upgraded internals.
❌ Cons:
❌ Requires Adapter Kit – Not a direct bolt-on for 2JZ.
❌ Shifter & Electronics Need Custom Wiring – More complex install vs. TH400 or A340E.
💡 Best For: Modern high-power street & track builds that want smooth shifting.
Automatic Transmission Comparison Chart
| Transmission | Horsepower Rating | Stock Fitment | Adapter Required? | Price Range (Used) | Best For |
| A340E | 300 HP (Stock) / 700 HP (Built) | Yes (Toyota) | No | $500 – $1,500 | Budget automatic option, daily drivers |
| TH400 | 700 HP (Stock) / 1,500 HP (Built) | No | Yes | $1,200 – $2,500 | Best for drag racing, high HP cars |
| A650E | 350 HP (Stock) / 600 HP (Built) | Yes (Lexus) | No | $800 – $1,500 | Highway builds, fuel efficiency |
| RE5R05A | 400 HP (Stock) / 800 HP (Built) | No | Yes | $1,000 – $2,500 | Best modern automatic, smooth shifts |
Final Verdict: Which Automatic Transmission Should You Choose?
✅ Best OEM Toyota Automatic: A340E – Reliable, easy to install, and budget-friendly.
✅ Best for Drag Racing: TH400 – Handles extreme power with quick shifts.
✅ Best for Street Driving & Fuel Efficiency: A650E – Great for daily-driven 2JZ swaps.
✅ Best High-Tech Auto: RE5R05A – Best choice for a modern high-performance automatic swap.
If you’re staying under 700 HP, a built A340E or A650E is the best choice. If you want serious power for drag racing, TH400 is unbeatable. For a modern, high-tech feel, RE5R05A is a strong contender.
Cost Breakdown: Transmission Swap Budget Guide 💰⚙️
One of the biggest concerns when swapping a 2JZ engine is the total cost of the transmission swap. Costs can vary significantly depending on the type of transmission, necessary modifications, and aftermarket parts.
In this section, we provide a detailed cost breakdown for each transmission type, helping you choose the best option for your budget.
1. Factors That Impact Transmission Swap Costs
Several factors determine the final cost of a 2JZ transmission swap:
✅ Transmission Purchase Price – Used vs. New, OEM vs. Aftermarket options.
✅ Adapter Kits & Bellhousings – Needed when using non-Toyota transmissions.
✅ Clutch & Flywheel Costs – Essential for manual transmission swaps.
✅ Driveshaft Modifications – Custom-length driveshafts are needed for some swaps.
✅ Shifter Positioning – Some transmissions require custom shifter linkage.
✅ ECU & Wiring – Automatic transmissions often require custom tuning & wiring modifications.
2. Cost Breakdown for Manual Transmission Swaps
| Manual Transmission | Cost (Used/New) | Adapter Plate Cost | Clutch/Flywheel Cost | Driveshaft Mods | Total Estimated Cost |
| Getrag V160/V161 | $10,000 – $12,000 | N/A | $1,500+ | Custom Driveshaft | $12,000 – $14,000 |
| Toyota R154 | $2,500 – $3,500 | N/A | $1,200+ | Custom Driveshaft | $4,500 – $6,000 |
| Nissan CD009 | $800 – $1,500 | $400 – $700 | $1,000+ | Custom Driveshaft | $3,000 – $4,500 |
| Getrag 420G | $1,500 – $2,500 | $500+ | $1,200+ | Custom Driveshaft | $4,000 – $6,000 |
| Toyota W58 | $500 – $1,200 | N/A | $800+ | Direct Fit | $1,500 – $2,500 |
📌 Key Takeaways:
- Most Expensive: V160/V161 (But also the strongest OEM option).
- Best Budget Choice: CD009 (Handles 800 HP for the lowest cost).
- Best Toyota Option Under $5K: R154 (Good for 600 HP+ builds).
- Only for NA Builds: W58 (Not for turbo applications).
3. Cost Breakdown for Automatic Transmission Swaps
| Automatic Transmission | Cost (Used/New) | Adapter Cost | Torque Converter Cost | Driveshaft Mods | Total Estimated Cost |
| A340E | $500 – $1,500 | N/A | $800+ | Direct Fit | $1,500 – $3,000 |
| TH400 | $1,200 – $2,500 | $500+ | $1,000+ | Custom Driveshaft | $3,500 – $5,500 |
| A650E | $800 – $1,500 | N/A | $900+ | Custom Driveshaft | $2,000 – $4,000 |
| RE5R05A | $1,000 – $2,500 | $600+ | $1,000+ | Custom Driveshaft | $3,500 – $5,500 |
📌 Key Takeaways:
- Best Budget Auto Transmission: A340E (Cheapest Toyota Auto Option).
- Best for Drag Racing: TH400 (Handles 1,500 HP, but requires custom work).
- Best for Daily Driving: A650E (5-Speed with overdrive for highway cruising).
- Best Modern Auto Option: RE5R05A (More complex but smooth shifting).
4. Hidden Costs & Additional Expenses 🔍
When budgeting for a 2JZ transmission swap, don’t forget about extra costs that can add up quickly:
🔹 Clutch & Flywheel Costs (Manual Swaps Only)
- OEM Replacement Clutch Kit: $400 – $800
- Performance Clutch & Lightweight Flywheel: $1,200 – $2,000+
🔹 Transmission Mounts & Crossmembers
- OEM Mounts (Direct Fit): $100 – $300
- Custom Transmission Mounts: $300 – $800
🔹 Shifter Modifications
- Short Shifter Kit (Optional Upgrade): $150 – $400
- Custom Shifter Linkage (If Needed): $200 – $500
🔹 Driveshaft Modifications
- Custom-Length Driveshaft: $400 – $1,000+
- Balanced & Reinforced Driveshaft (For High HP Builds): $800 – $1,500
🔹 Wiring & ECU Modifications (Automatic Swaps Only)
- Standalone Transmission Controller (Auto Swaps): $500 – $1,500
- ECU Reflash or Custom Tune: $300 – $1,000
📌 Pro Tip: If you’re swapping an automatic transmission, make sure you budget for wiring modifications and transmission controllers to ensure proper shifting.
5. Total Estimated Costs: Full 2JZ Transmission Swap Price
| Build Type | Total Estimated Cost (Including All Mods) |
| Budget Manual Swap (W58/CD009) | $2,500 – $5,000 |
| Mid-Level Manual Swap (R154/420G) | $4,500 – $7,000 |
| High-End Manual Swap (V160/V161) | $12,000 – $15,000+ |
| Budget Automatic Swap (A340E/A650E) | $1,500 – $4,000 |
| High-Performance Auto Swap (TH400/RE5R05A) | $3,500 – $7,000 |
📌 Final Takeaways:
- Best Budget Swap Overall: CD009 (Manual) or A340E (Auto).
- Best Mid-Range Option: R154 for Manual, A650E for Auto.
- Best No-Compromise Choice: V160 for Manual, TH400 for Drag Racing.
Choosing the right transmission depends on your power goals, budget, and driving style. If you want the best performance but don’t want to spend $10K+, CD009 and R154 are the best manual choices. If you prefer automatic, A340E is the most affordable, while TH400 is the best for high-horsepower builds.
Manual vs. Automatic: Which is Best for Your 2JZ Build? 🏎️⚙️
Choosing between a manual or automatic transmission for your 2JZ swap is one of the biggest decisions you’ll make. Both options have strengths and weaknesses, depending on your driving style, power goals, and budget.
This section will compare manual vs. automatic transmissions based on performance, cost, ease of installation, and long-term reliability to help you make the right choice.
1. Performance Comparison: Manual vs. Automatic 🚀
Which transmission offers the best performance for a 2JZ build?
| Performance Factor | Manual Transmission | Automatic Transmission |
| Acceleration | 🚀 Faster with skilled driver | ⚡ Consistent & often quicker |
| Top Speed | ⚖️ Similar to auto | ⚖️ Similar to manual |
| Shifting Control | ✅ Full driver control | ❌ ECU or transmission controller required |
| Turbo Lag | ❌ More noticeable due to manual shifts | ✅ Less turbo lag (power stays consistent) |
| Drivetrain Loss | ✅ Less power loss | ❌ More power loss (fluid coupling in torque converter) |
| Street Driving | ❌ Requires more skill, clutch work | ✅ Easier to drive in traffic |
| Drag Racing | ❌ Requires precise shifting | ✅ Faster, more consistent runs |
| Drifting | ✅ Preferred for clutch kicks & rev control | ❌ Harder to modulate power |
📌 Verdict:
- Manuals excel at precision control, making them ideal for drifting and high-performance driving.
- Automatics are superior for drag racing, as they provide faster, more consistent launches.
2. Cost Comparison: Manual vs. Automatic 💰
Which transmission option is cheaper in the long run?
| Cost Factor | Manual Transmission | Automatic Transmission |
| Transmission Cost | ❌ More expensive (V160, R154) | ✅ Usually cheaper (A340E, TH400) |
| Installation Cost | ❌ Requires custom clutch setup | ✅ Often easier to install |
| Clutch & Flywheel | ❌ Expensive ($1,200+) | ✅ No clutch required |
| Torque Converter | ✅ Not needed | ❌ Expensive for high HP builds |
| Driveshaft Mods | ⚖️ Sometimes needed | ⚖️ Sometimes needed |
| Maintenance Costs | ✅ Usually lower | ❌ Can be costly (fluid, solenoids, rebuilds) |
📌 Verdict:
- Automatics are generally cheaper to purchase and install, but performance-oriented autos (TH400, built A340E) require upgrades that increase cost.
- Manuals cost more upfront but are cheaper to maintain in the long run.
3. Ease of Installation & Modifications 🔧
How difficult is it to install each type of transmission in a 2JZ swap?
| Factor | Manual Transmission | Automatic Transmission |
| Bolt-On Fitment | ✅ R154 & V160 are direct fits | ✅ A340E is a direct fit |
| Adapter Kits Required? | ❌ Yes (CD009, Getrag 420G) | ❌ Yes (TH400, RE5R05A) |
| Clutch Pedal Conversion Needed? | ❌ Yes (If car was auto) | ✅ No |
| Wiring & ECU Complexity | ✅ Simple for manuals | ❌ Auto swaps may require transmission controllers |
| Custom Shifter Mods? | ❌ Some swaps require custom shifter placement | ❌ May need a standalone shifter |
📌 Verdict:
- Manual swaps require more mechanical work (clutch pedal installation, adapter plates, etc.).
- Auto swaps are usually easier (unless an aftermarket transmission controller is needed).
4. Long-Term Reliability & Maintenance 🔄
Which transmission lasts longer and requires less maintenance?
| Reliability Factor | Manual Transmission | Automatic Transmission |
| Wear & Tear | ✅ Longer-lasting with proper use | ❌ More moving parts = higher failure risk |
| Clutch Life | ❌ Needs replacement (~50k miles) | ✅ No clutch to replace |
| Transmission Fluid Changes | ✅ Minimal | ❌ Requires regular changes |
| Electronics & Sensors | ✅ Simple | ❌ More failure points |
| Heat Management | ✅ Runs cooler | ❌ Requires a transmission cooler for high HP |
📌 Verdict:
- Manual transmissions are more reliable long-term, with fewer moving parts.
- Automatics require transmission fluid changes and electronic components that may fail over time.
5. Which Transmission is Best for Your 2JZ Swap? 🤔
✅ Choose a Manual Transmission If:
✔️ You want full control over shifting.
✔️ Your build is for drifting, circuit racing, or aggressive street driving.
✔️ You’re okay with learning proper clutch control.
✔️ You prefer a longer-lasting transmission with fewer electronics.
🔹 Best Manual Transmission Choices:
- Best Budget: Nissan CD009
- Best OEM Toyota Option: Toyota R154
- Best for 1,000+ HP: Getrag V160
✅ Choose an Automatic Transmission If:
✔️ You want quick, consistent shifts with minimal effort.
✔️ Your build is for drag racing, highway pulls, or daily driving.
✔️ You prefer an easier installation with no clutch setup.
✔️ You’re okay with electronic tuning & regular maintenance.
🔹 Best Automatic Transmission Choices:
- Best Budget Auto: Toyota A340E
- Best for Drag Racing: GM TH400
- Best for Street/Highway: Toyota A650E
Final Verdict: Manual vs. Automatic for a 2JZ Swap 🏆
| Build Type | Best Transmission Type | Recommended Transmission |
| Best Overall 2JZ Swap | ⚖️ Depends on Goals | ✅ CD009 (Manual) / A340E (Auto) |
| Best for Street Builds & Daily Driving | ✅ Automatic | ✅ A340E, A650E |
| Best for Track & Drifting | ✅ Manual | ✅ R154, CD009 |
| Best for Drag Racing | ✅ Automatic | ✅ TH400, Built A340E |
| Best for 1,000+ HP Builds | ✅ Manual or Auto | ✅ V160 (Manual), TH400 (Auto) |
📌 Final Thought:
“If you want full control, go manual. If you want fast, consistent shifts, go automatic.”
Your 2JZ build should match your driving goals, budget, and mechanical skill level. A manual swap requires more effort upfront but is more engaging. An automatic swap is simpler to install, but requires proper tuning for high power.
💡 What’s Next?
Once you’ve decided on manual or automatic, you’re ready to move on to installation & setup!
Transmission Swap Installation Guide: Step-by-Step Process 🔧🏎️
Now that you’ve chosen the best transmission for your 2JZ swap, it’s time for the installation process. A properly installed transmission ensures smooth operation, longevity, and maximum performance. This guide will walk you through all the steps needed to install your manual or automatic transmission into your 2JZ-swapped vehicle.
1. Tools & Parts Required for a 2JZ Transmission Swap 🛠️
Before starting, make sure you have the necessary tools and parts for your swap.
✅ Required Tools:
✔️ Hydraulic Jack & Jack Stands (or a lift, if available)
✔️ Torque Wrench & Ratchet Set
✔️ Transmission Jack (for safe installation)
✔️ Clutch Alignment Tool (For manual swaps)
✔️ Transmission Fluid Pump (for automatic swaps)
✔️ Wire Cutters, Crimpers, & Heat Shrink Tubing
✅ Required Parts (Depending on Transmission Type):
| Component | Manual Transmission | Automatic Transmission |
| Transmission Crossmember | ✅ Required | ✅ Required |
| Transmission Mount | ✅ Required | ✅ Required |
| Clutch & Flywheel | ✅ Required | ❌ Not Needed |
| Torque Converter | ❌ Not Needed | ✅ Required |
| Driveshaft | ✅ Custom Length May Be Needed | ✅ Custom Length May Be Needed |
| Bellhousing Adapter | ✅ Needed for Non-Toyota Transmissions | ✅ Needed for Some Auto Swaps |
| ECU or Transmission Controller | ❌ Not Required | ✅ Required for Some Models |
📌 Pro Tip: Confirm compatibility of all parts before installation to avoid delays in the swap process.
2. Step-by-Step Installation for a Manual Transmission ⚙️
If you’re installing a manual transmission, follow these steps:
🔹 Step 1: Remove the Old Transmission
1️⃣ Disconnect battery cables to prevent electrical shorts.
2️⃣ Jack up the car and secure it on jack stands or a lift.
3️⃣ Drain transmission fluid if applicable.
4️⃣ Disconnect clutch slave cylinder & shift linkage.
5️⃣ Remove driveshaft & transmission crossmember bolts.
6️⃣ Carefully slide out the old transmission using a transmission jack.
🔹 Step 2: Install the Clutch & Flywheel
📌 This step is only for manual swaps!
1️⃣ Install the new flywheel and torque the bolts to manufacturer specs.
2️⃣ Align the clutch disc & pressure plate with a clutch alignment tool.
3️⃣ Tighten all pressure plate bolts in a star pattern to ensure even pressure.
4️⃣ Install a new pilot bearing if required.
🔹 Step 3: Mount the Manual Transmission
1️⃣ Position the new transmission under the car.
2️⃣ Line up the bellhousing with the engine block.
3️⃣ Slide the transmission into place and torque bellhousing bolts.
4️⃣ Install the crossmember & transmission mount.
5️⃣ Connect the clutch slave cylinder & shifter linkage.
6️⃣ Install the driveshaft & tighten all bolts securely.
7️⃣ Fill the transmission with the correct gear oil.
📌 Final Step: Reconnect the battery, test the clutch, and take the car for a slow test drive.
3. Step-by-Step Installation for an Automatic Transmission ⚡
If you’re installing an automatic transmission, follow these steps:
🔹 Step 1: Remove the Old Transmission
1️⃣ Follow the same removal process as the manual transmission (disconnect battery, driveshaft, mounts, etc.).
2️⃣ Remove the torque converter bolts before sliding the transmission out.
3️⃣ Drain transmission fluid before disposal.
🔹 Step 2: Install the Torque Converter
📌 The torque converter is crucial for automatic swaps!
1️⃣ Fill the torque converter with transmission fluid before installation.
2️⃣ Line up the torque converter with the transmission input shaft.
3️⃣ Carefully slide the torque converter into place, ensuring it seats fully.
🔹 Step 3: Mount the Automatic Transmission
1️⃣ Position the new transmission under the car.
2️⃣ Line up the bellhousing with the engine block and torque the bolts.
3️⃣ Install the transmission crossmember & mounts.
4️⃣ Attach the torque converter bolts to the flexplate.
5️⃣ Connect the shifter linkage & driveshaft.
6️⃣ Fill the transmission with the correct ATF fluid.
📌 Final Step: Start the car, let it idle, and check fluid levels before driving.
4. Wiring & ECU Setup for Automatic Transmission Swaps ⚡🔌
Some automatic transmissions require electronic controls for proper shifting.
Common ECU & Wiring Needs:
✅ Standalone Transmission Controller (TH400, RE5R05A, etc.)
✅ Speed Sensor Wiring & Tuning Adjustments
✅ Shift Solenoid Control for Factory Toyota Transmissions
📌 If your swap requires an aftermarket transmission controller, ensure proper programming for smooth shifting.
5. Common Issues & Troubleshooting 🚨
Even with careful planning, issues can arise. Here are common problems & solutions:
| Issue | Possible Cause | Solution |
| Transmission won’t engage gears | Clutch isn’t bled properly (Manual) | Bleed clutch system & check master/slave cylinder |
| No power transfer (Auto) | Torque converter not seated | Remove & reinstall torque converter properly |
| Shifter feels loose | Linkage misalignment | Adjust shift linkage and test engagement |
| Leaking transmission fluid | Bad seals or overfilled fluid | Inspect seals, check fluid levels |
📌 Final Tip: Always test the transmission before full-throttle pulls to ensure smooth operation!
Final Thoughts: Completing Your 2JZ Transmission Swap
Once installed, your 2JZ-powered car is ready to hit the streets! Double-check your work, test for leaks, and ensure proper operation before aggressive driving.
💡 What’s Next?
- ✅ Break in the clutch properly (if manual).
- ✅ Check transmission fluid after first 100 miles.
- ✅ Fine-tune shift points (automatic swaps).
With proper installation & tuning, your 2JZ transmission swap will perform flawlessly! 🚗💨
Conclusion: Choosing the Best 2JZ Swap Transmission 🏆🏎️
Now that we’ve covered manual vs. automatic transmissions, cost breakdowns, and installation steps, it’s time to make the final decision. Choosing the right transmission for your 2JZ swap comes down to power goals, driving style, budget, and installation complexity.
Final Transmission Recommendations Based on Build Type
| Build Type | Best Transmission Type | Recommended Transmission |
| Best Overall 2JZ Swap | ⚖️ Depends on Goals | ✅ CD009 (Manual) / A340E (Auto) |
| Best for Street Builds & Daily Driving | ✅ Automatic | ✅ A340E, A650E |
| Best for Track & Drifting | ✅ Manual | ✅ R154, CD009 |
| Best for Drag Racing | ✅ Automatic | ✅ TH400, Built A340E |
| Best for 1,000+ HP Builds | ✅ Manual or Auto | ✅ V160 (Manual), TH400 (Auto) |
📌 Final Thought:
“If you want full control, go manual. If you want fast, consistent shifts, go automatic.”
Your 2JZ build should match your driving goals, budget, and mechanical skill level. A manual swap requires more effort upfront but is more engaging. An automatic swap is simpler to install, but requires proper tuning for high power.
Next Steps: Preparing for Your 2JZ Swap
Now that you’ve chosen the best transmission for your build, here’s what to do next:
✅ Order your transmission & swap components (adapter plates, mounts, clutch, etc.).
✅ Plan the installation process (ensure you have the right tools & workspace).
✅ Consider tuning & wiring needs (especially for automatic swaps).
✅ Break in your new transmission properly for long-term reliability.
With the right setup, your 2JZ-powered car will be ready to dominate the streets, track, or drag strip! 🚗💨
Frequently Asked Questions (FAQs) About 2JZ Transmission Swaps
What Is the Best Transmission for a 2JZ Swap?
The best transmission for a 2JZ swap depends on power goals, budget, and intended use. Here’s a breakdown of the best choices for different applications:
| Use Case | Best Transmission | Why? |
| Daily Driver / Street Car | A340E (Auto) / R154 (Manual) | Reliable, affordable, and easy to install |
| Track / Drifting | CD009 (Manual) | Strong, budget-friendly, smooth high-RPM shifting |
| Drag Racing | TH400 (Auto) | Handles 1,500+ HP, fast shifts |
| 1,000+ HP Builds | V160 (Manual) / TH400 (Auto) | Legendary strength, high-end performance |
| Budget Build | CD009 (Manual) / A340E (Auto) | Affordable, high availability |
📌 Final Verdict: If money is no issue, V160 is king. If you’re on a budget, CD009 is the best value manual, while A340E is the best budget auto.
How Much Does a 2JZ Transmission Swap Cost?
💰 Total cost varies depending on the transmission type, modifications, and labor costs.
📌 Full Cost Breakdown (Average Price Ranges)
| Transmission Type | Transmission Price | Adapter & Parts | Labor Costs | Total Swap Cost |
| V160 (Manual) | $10,000 – $12,000 | $1,500+ | $1,500+ | $12,000 – $15,000 |
| R154 (Manual) | $2,500 – $3,500 | $1,200+ | $1,000+ | $5,000 – $7,000 |
| CD009 (Manual) | $800 – $1,500 | $500 – $1,200 | $1,000+ | $3,000 – $5,000 |
| TH400 (Auto) | $1,200 – $2,500 | $500+ | $1,500+ | $4,000 – $7,000 |
| A340E (Auto) | $500 – $1,500 | $500+ | $1,000+ | $2,000 – $4,000 |
📌 Final Verdict: CD009 is the best budget choice, R154 is the best Toyota option, and TH400 is the best drag racing automatic.
What Modifications Are Needed for a 2JZ Transmission Swap?
Most 2JZ transmission swaps require some level of modification. Here’s what to expect:
📌 Required Modifications Based on Transmission Type
| Modification | Manual Transmission | Automatic Transmission |
| Adapter Plate & Bellhousing | ✅ Required for CD009, Getrag 420G | ✅ Required for TH400, RE5R05A |
| Clutch & Flywheel Setup | ✅ Required | ❌ Not Needed |
| Torque Converter Setup | ❌ Not Needed | ✅ Required |
| Custom Driveshaft | ✅ Often Required | ✅ Often Required |
| ECU / Transmission Controller | ❌ Not Required | ✅ Needed for Auto Shifting |
| Shifter Modifications | ✅ Sometimes Needed | ✅ Sometimes Needed |
📌 Final Verdict: The easiest swaps use Toyota transmissions (R154, A340E). Non-Toyota swaps (CD009, TH400, RE5R05A) require adapter plates and additional tuning.
Can I Use a Nissan CD009 Transmission with a 2JZ?
Yes! The Nissan CD009 (6-speed manual) from the 350Z and G35 is one of the best budget-friendly transmissions for a 2JZ swap.
📌 Why CD009 Is a Great Option
✅ Handles 800+ HP reliably (even stock).
✅ Affordable ($800 – $1,500 used) compared to V160 ($10,000+).
✅ Available everywhere (used in many Nissan models).
✅ Smooth, high-RPM shifting – great for drift, street, and track use.
📌 What’s Needed to Swap a CD009 to a 2JZ?
1️⃣ Adapter Plate & Bellhousing – Needed to mate the Nissan transmission to the 2JZ engine.
2️⃣ Custom Transmission Mounts & Crossmember – Ensures proper fitment.
3️⃣ Custom Shifter Linkage – Needed for proper placement in some chassis.
4️⃣ Driveshaft Modifications – Since CD009 is longer, a custom driveshaft is required.
5️⃣ Hydraulic Clutch Setup – The CD009 slave cylinder needs custom lines.
📌 Final Verdict: CD009 is the best budget 6-speed transmission for 2JZ swaps, but requires an adapter kit for proper fitment.
Can I Use an Automatic Transmission in a 2JZ Swap?
Yes! Automatic transmissions are a great choice for drag racing, high-power builds, and daily driving.
📌 Pros & Cons of Automatic 2JZ Swaps
| Factor | Automatic Transmission |
| Ease of Installation | ✅ Easier than manual (no clutch setup) |
| Shift Speed | ✅ Faster than manual (great for drag racing) |
| Turbo Boost Retention | ✅ Keeps boost pressure up between shifts |
| Maintenance | ❌ More complex (fluid, electronics) |
| Power Handling | ✅ High (TH400 = 1,500 HP capable) |
| Drivability | ✅ Easier for street use |
📌 Best Automatic Transmissions for a 2JZ Swap
| Best for… | Recommended Auto Transmission |
| Budget Swap | A340E (Toyota 4-Speed) |
| Drag Racing | TH400 (3-Speed) |
| Street/Highway Driving | A650E (Toyota 5-Speed) |
| High-Tech Build | RE5R05A (Nissan 5-Speed) |
📌 Final Verdict: If you want quick shifts and high power handling, TH400 is the best option. If you want an easy, budget-friendly auto swap, A340E is the best choice.
Final Thoughts on 2JZ Transmission Swaps
✅ Best Budget Swap: CD009 (Manual) or A340E (Auto).
✅ Best for Daily Driving: A650E (Auto) or R154 (Manual).
✅ Best for High HP Builds: V160 (Manual) or TH400 (Auto).
✅ Easiest Swap: A340E (Direct Toyota Fitment).
Choosing the right transmission depends on your budget, power goals, and driving style. Whether you go manual for full control or automatic for high-speed performance, the right transmission makes your 2JZ swap more powerful and reliable.
🚀 Now you’re ready to complete your 2JZ swap with confidence!