Big Problem...Need help
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Joined: Jan 2003
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From: tyler usa
Big Problem...Need help
I work in an auto parts store in east texas, and I've got a customer who's got a 72 F-150. Said F-150 has had a 351 Cleveland from a same year mustang put in it. The problem is, his truck has a "return line" for the fuel system, but the fuel pump has no provisions for said return system. He's had it for 2 months, and the guy he traded it for had it for awhile, and neither of them could get it to run right. Now, I've managed to find a fuel pump with a return line on it off of an 83 mustang 302. Would this possibly solve his problem? Has anyone else out there tried this or run into this? Any and all help will be greatly appreciated. 
Cargo Master
Joined: Feb 2003
Posts: 2,341
Likes: 5
From: Sacramento
a 302 has a different fuel pump mount than a 351C. Better to try one from a smogged 351M, or 400. Like an 80 or so F150 from CA should have the return. I spent 3 yrs behind a NAPA counter myself.
Hotshot
Joined: May 2004
Posts: 12,170
Likes: 5
From: The hills of No. Calif.
Interesting...I thought I was the only one who stuck a Cleveland into a bumpside...
I'm not sure that the return line will solve his problem however. If the carb and fuel pump on the Cleveland weren't designed for a return system in the first place then adding one in just because there's a return line in place on the truck shouldn't really change anything, unless he's got a high volume fuel pump on there and it's overpowering the needle & seat and flooding the carb.
That said, I have to admit my knowledge of return systems on carbed engines is somewhat limited. I wasn't aware that F-series trucks had a return system as early as '72 (my '72 doesn't, neither does the No. Ca. chapter Project truck, which is also a '72) but a mid-'80s F250 I worked on did. (So does a '70 Mercedes I have...)
I'm not sure that the return line will solve his problem however. If the carb and fuel pump on the Cleveland weren't designed for a return system in the first place then adding one in just because there's a return line in place on the truck shouldn't really change anything, unless he's got a high volume fuel pump on there and it's overpowering the needle & seat and flooding the carb.
That said, I have to admit my knowledge of return systems on carbed engines is somewhat limited. I wasn't aware that F-series trucks had a return system as early as '72 (my '72 doesn't, neither does the No. Ca. chapter Project truck, which is also a '72) but a mid-'80s F250 I worked on did. (So does a '70 Mercedes I have...)
