Free API
Back to 1970 Ford Mustang Boss 429
Help
1970 FORD MUSTANG BOSS 429
429ci V8 (Boss 429 Semi-Hemi)•RWD•gas
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor468Torque148Fluid7DTC0Battery1Maintenance0Recalls0
Fluid · Manual Transmission

Manual Transmission

for 1970 Ford Mustang Boss 429 429ci V8 (Boss 429 Semi-Hemi) · RWD
Fluid Type
Type F ATF
Spec: Ford Type F
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
30,000 mi
48,270 km
Data quality
Book-style estimate
Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.

Notes

4-speed Toploader or close-ratio 4-speed

Other fluid systems on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 1970 Ford Mustang Boss 429 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Ford Mustang Boss 429 — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →