Cap return line?
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Joined: Apr 2008
Posts: 99
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From: Ames, IA
Car: 1989 Camaro Iroc-Z
Engine: 5.7 L98 Carb. Alum. Heads
Transmission: T-5
Axle/Gears: 3.08 Limited Slip
Cap return line?
On my 89 iroc that I bought awhile back, the previous owner swapped it out to a carbed 350 with an elec. fuel pump. He capped the return line and I was wondering if this was bad on the pump or not? Mainly I ask is because the old regulator is bad so I need to buy a new one. I thought about hooking it back up but idk if it goes to the tank and if it is any good. I could try it out but would rather not. Also, he says my psi sould be around 3 then he turns it up some in the summer and then more when racing. I thought I read on here that the psi means nothing, it just fills the bowls and should be between 4-7. Thanks.
Oh and what is the best fpr....I thought I heard mallory 4309
Oh and what is the best fpr....I thought I heard mallory 4309
Joined: Aug 2006
Posts: 12,805
Likes: 107
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Cap return line?
electric pump i assume? A working return line will keep the pump cooler and it will last longer
usually a carb need 4-7 psi.
usually a carb need 4-7 psi.
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
If it is a factory-type in-tank electric pump, you need to use the return. And, the Mallory 4309 is the right type of part.
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