?'s about fuel pump for carb'd 454
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Junior Member
Joined: Aug 2012
Posts: 21
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From: myrtle beach,sc
Car: 86 Iroc
Engine: 496
Transmission: 4l80e
Axle/Gears: 9" eaton posi 4:11
?'s about fuel pump for carb'd 454
hopefully, you will be able to help me with my issue. I have an 86 iroc i just put a bb 454 in. Carburated. i want to run an exterior eletric pump. what modifications do i have to do to the intank pump? And do i have to have a return line, or can i just cap it off? any help will be highly appreciated. pictures would be awesome too.
Last edited by five7kid; Mar 25, 2013 at 01:37 PM.
Joined: Mar 2000
Posts: 43,187
Likes: 45
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 the in-tank electric pump isn't operating, it needs to be removed regardless of what other pump you use.
Whether you need a return line depends upon the pump you end up using. Some are okay without it, others need it either to control pressure, or to keep cool.
In our cars, a return line is a good idea because of the heat in the area the fuel line runs through.
Whether you need a return line depends upon the pump you end up using. Some are okay without it, others need it either to control pressure, or to keep cool.
In our cars, a return line is a good idea because of the heat in the area the fuel line runs through.
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