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Re: engine swap
If your running a carb on your ZZ4 you will need a fuel pressure regulator cause your electric pump puts out way too much pressure for a carb. I have seen them in Summit for around $100. I'm not sure on the exact pressure but its probably over 30psi. A carb needs around 5psi.
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 '89 S15 4x4 350TBI/700r4
restored body, paint,
3" lift, crane cam, vortec heads
'88 Iroc 350 carb, TCI 700r4, 380hp
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