Engine Swap Decision Tool

Check if this engine swap fits — and if it's worth doing

Get a structured compatibility verdict, cost breakdown, required changes, and a clear recommendation — before you commit money or time.

Common questions
Step 1 of 4

What vehicle are you swapping into?

Select a saved vehicle or enter a new one. This is the base vehicle that will receive the new engine.

Step 2 of 4

What engine do you want to swap in?

Choose a suggested path or search any engine. Suggestions are based on your selected vehicle.

Step 3 of 4

What's the goal of this swap?

Understanding your goal helps us give a sharper verdict.

More power
Better reliability
Replace failed engine
Budget performance
Track / off-road
Long-term project
Daily driver
Just exploring
Just exploring
Considering it soon
Ready to budget
Mostly DIY
DIY + shop
Full shop build
Step 4 of 4

What constraints matter for this project?

These affect our verdict on whether this swap is actually worth doing.

Do custom fabrication (mounts, brackets, etc.)
Change the transmission
Rewire or change the ECU
Upgrade cooling, fuel, and exhaust systems
Must pass emissions / be street legal
Needs daily-driver reliability
Your Engine Swap Verdict

⚠️ Top Blockers & Conditions
🔧 Compatibility Breakdown
Physical FitDirect fit
Motor MountsNeeds changes
TransmissionMajor work
💰 Cost Breakdown
Engine + donor parts$X,XXX
Mount kit / fabrication$X,XXX
Wiring / ECU / tune$X,XXX
📈 Complexity
Intermediate project level...
⚠️ Project Risks
⚠️ Electrical integration complexity
⚠️ Cooling system clearance issues
🎯 Worth-It Analysis
This swap is highly recommended for performance seekers but requires...
💡 Alternatives to Consider
💡 Consider an LS1 instead for better...
💡 For better economy, look into...
☑️ Next-Step Checklist
  • Confirm chassis measurements
  • Source engine and transmission
  • Order required swap kit...
🔒
Unlock the full engine swap decision

You have the quick verdict above. Get the complete breakdown to plan your swap with confidence.

Full compatibility matrix
Detailed cost breakdown
Required modifications list
DIY vs shop path
Risk analysis
Worth-it analysis
Better alternatives
Next-step checklist
This Decision
$24.99
One swap verdict
Builder Pass
$99.99
7 days · unlimited decisions
Planning clarity. Avoided mistakes. No recurring subscription.
Full Engine Swap Decision

🔧 Compatibility Breakdown
💰 Cost Breakdown
📈 Complexity

⚠️ Project Risks
🎯 Worth-It Analysis
💡 Alternatives to Consider
☑️ Next-Step Checklist
    Save this swap decision to your vehicle history

    Save this project so Ownery can remember your vehicle context. Future decisions become smarter when Ownery understands your build history.

    Create Account & Save

    Saving is optional. You already have the verdict above.