post #1 of Old 02-16-2008, 09:07 AM Thread Starter
bdmonist
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1984 CJ7 
 
Join Date: May 2006
Location: Brandon, MS
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TBI Fuel Problem

Hey Guys - Finally getting around to start this thing after the rebuild. I having some Fuel problems with my throttle body. I have a 350 and have done the TBI Conversion. When I try to start it fuel poors out over the top of the injectors. I pulled the return line to the fuel tank and blew in it, it was hard, but I was able to continually blow in the hose, so it is not clogged - not sure how easy it is supposed to be. I changed out the injectors and the body itself, same problem. The regulators on each TBI is used. So before I just start throwing money and replacing parts, any suggestion?

I'm about to head out in the garage and disconnect the return line altogether and run it in a bucket. If that doesn't work I think I'm looking at new parts.

Any help is appreciated. Thanks

Brian


1984 CJ 7, SBC 350TBI, 700R4, D 300, AMC 20, D30, 35" Mickeys, 3.54 Gears, 4" susp. Lift, 2" body lift.

AMC 20 Write Up
In Progress - 4.56 gears, Aussie Rear Locker, Moser 1 Piece Axles
Coming Soon - CV Shafts, Welded Tubes, trusses
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post #2 of Old 02-16-2008, 09:47 AM
bjf498
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Location: Baton Rouge, LA
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its not hard I think a gasket kit is like 20 bones and its real easy to put on. let me know if you have any other problems, I've been tinkering with my tbi setup for almost 4 months now

Small, fine shavings are ok, large chunks are bad, huge chunks with part number stamped on them are real bad.
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post #3 of Old 02-16-2008, 10:11 AM Thread Starter
bdmonist
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Join Date: May 2006
Location: Brandon, MS
Posts: 1,441
The gasket set is new, but it's not leaking there. It's leaking from around the O-Rings where the injectors sit into the body. The fuel is coming up through the O-Rings instead of either going down the injector or back through the return line.

EDIT - Looks like it was just the return line - Pulled it from the tank and ran it straight into a gas can - No more problems - Now I have to run new return lines

1984 CJ 7, SBC 350TBI, 700R4, D 300, AMC 20, D30, 35" Mickeys, 3.54 Gears, 4" susp. Lift, 2" body lift.

AMC 20 Write Up
In Progress - 4.56 gears, Aussie Rear Locker, Moser 1 Piece Axles
Coming Soon - CV Shafts, Welded Tubes, trusses

Last edited by bdmonist; 02-16-2008 at 11:21 AM.
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