Carburetor

I had three carburetors come with my 1967 390 xr7. They are an Edelbrock, Carter, and a Motorcraft. Is the Motorcraft the original carb?

None - it’d have been a Holley made for Ford if a S-code, and an Autolite if a X-code 2-barrel - except I don’t believe the X-code was offered in 1967.

It would have been rated at 600 CFM looked like this, and such carburetors, along with the 735 rated 428 carbs, has a certain cult status today.

https://mustangtek.com/4150/C7OF-A.html

Thank you

What’s the Motorcraft carburetor - a later 4300? 4300s would look like

https://mustangtek.com/carburetors/images/4300carb_001.jpg

I have my reason for asking!

R.B.

This is the Motorcraft carburetor.


There were four different carburetors on the 1967 390 GT, all Holleys. Which one you got depended on manual or automatic transmission and whether you had emissions equipment or not (California and a few other states I think.)

The Ford part numbers are:
C7OF-9510-A - manual non-emissions
C7OF-9510-B - auto non-emissions
C7OF-9510-C - manual with thermactor
C7OF-9510-D - auto with thermactor

Antitrust ruling forced Ford to sell Autolite in 1972, and they started using the Motorcraft name after that. Not 100% certain, but believe the pictured carb is a Motorcraft 4350 spreadbore first produced in 1975. I remember them being on the 460 engines in that timeframe.

It sure does look a little wide in the rear, doesn’t it. The 4300 air valve did not have a raised cast fairing surrounding it - that’s a 4350, for which finding a manifold will be a good trick even for a Cleveland.