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Thread: TBI Fuel Pumps Specifications and Regulator Springs!

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  1. 04-15-2023 #1
    udidwht
    udidwht is offline
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    Which spring would be for 94-95 454 TBI fuel pressure 26-32psi?
    1994 GM P-30 Southwind Storm 28ft
    454 TBI w/4L80E trans
    VIN #1GBJP37N4R3314754
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  2. 04-15-2023 #2
    PlayingWithTBI
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    Quote Originally Posted by udidwht View Post
    Which spring would be for 94-95 454 TBI fuel pressure 26-32psi?
    Yep, a "28 PSI" spring. I have one but can't remember who I bought it from. Here's a quick search...
    https://www.amazon.com/Throttle-Body.../dp/B012XLK1XE
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