motorcraft 4300 carb info

FED 387 · 09-30-2008, 07:12 PM

According to a buddy of mine these are the specs for both carbs

4300 Carb depending on the particular model these measurements can vary from

441-605 CFM
Venturi 1-1 1/4 in primary

Bore 1 7/16 P--- 1 9/16 S
1 9/16 P-- -1 11/16 S

4300D carb

715 CFM
Venturi 1 1/4 P
Bore 1 9/16 P--2 S

This carb (4300D) is ONLY on 71 Boss 351 Cleveland & 72-74 351 Cleveland engines ---4300D carb will only fit a specific manifold -- Not interchangable with a 4300 manifold WITHOUT an adapter!!!

Comp 387

09-30-2008, 07:12 PM	#6
FED 387 VIP Member Join Date: Jun 2006 Posts: 3,420 Likes: 529 Liked 333 Times in 180 Posts	Re: motorcraft 4300 carb info According to a buddy of mine these are the specs for both carbs 4300 Carb depending on the particular model these measurements can vary from 441-605 CFM Venturi 1-1 1/4 in primary Bore 1 7/16 P--- 1 9/16 S 1 9/16 P-- -1 11/16 S 4300D carb 715 CFM Venturi 1 1/4 P Bore 1 9/16 P--2 S This carb (4300D) is ONLY on 71 Boss 351 Cleveland & 72-74 351 Cleveland engines ---4300D carb will only fit a specific manifold -- Not interchangable with a 4300 manifold WITHOUT an adapter!!! Comp 387