fuel pressure difference from tpi to carb
Thread Starter
Member
Joined: Nov 2003
Posts: 315
Likes: 0
From: upstate new york
Car: 91 camaro rs
Engine: 355, blowthru, 78mm turbo
Transmission: th350, art carr converter
Axle/Gears: stock 7.5, 3.23s, minispool
fuel pressure difference from tpi to carb
i am swapping a carbed 355 into my 85 trans am that originally had a tpi 305...
you have to lower the fuel pressure from 40-something down to like 5-7psi for the carb right?? (running the electric fuel pump) and whats the best way to do this? --The 25 dollar regulator from Jegs???
any help would be great,
thanks
you have to lower the fuel pressure from 40-something down to like 5-7psi for the carb right?? (running the electric fuel pump) and whats the best way to do this? --The 25 dollar regulator from Jegs???
any help would be great,
thanks
Senior Member
Joined: Dec 1999
Posts: 954
Likes: 1
From: Annandale, VA
Car: 1991 Formula Firebird
Engine: 2001 LS1 Modded
Transmission: 2001 4L60E Yank SS3600 TC
You have to get a regulator that allows the excess fuel pressure to travel back into the return line.
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