How to Find out the Engine ID Number?
(Riverside CA ,USA)
I need to find out if my heads are a 4 barrel or 2 barrel.
The reason is is I'm getting a new carb and want to make sure I get the right one. It's a 1971 Mustang with a 351c engine.
Your VIN code (vehicle identification Number) is the place to find out which engine is in your 71 Ford Mustang.
Here's a breakdown for the 1971 Powerplants:
Engine Code and Size:
V8 429 CID 4bbl Cobra Jet
V8 302 CID 2bbl
V8 351 CID 2bbl
V8 429 CID 4bbl Cobra Jet Ram Air
I6 250 CID 1bbl
V8 351 CID 4bbl
V8 351 CID 4bbl Ram Air
V8 351 CID 4bbl Boss
Want more detailed information for the 71 Mustang? Click here.