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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LT1 Fuel Return

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Old 01-07-2016, 11:44 AM
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Staging Lane
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Default LT1 Fuel Return
Could I use an LS1 Corvette filter/pressure regulator and eliminate the return line on a 1996 LT1?
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Old 01-07-2016, 11:46 AM
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If you got it tuned for that rail pressure, I don't see why not. Tune may also need changing from the 1:1 ratio FP to a set FP.
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Old 06-21-2016, 05:18 PM
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Sorry for the delay. Could you explain this a little farther.
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Old 06-22-2016, 06:27 AM
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The LS1 vette setup is set for 55psi, and it will not rise/fall with engine vac. Whereas your current LT1 PCM operates off of a fuel reg set to base pressure of ~40psi that will change pressure based on engine vac.
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