LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

what should my fuel pressure be at WOT?

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Old Oct 9, 2005 | 01:44 PM
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87lt1rx7's Avatar
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what should my fuel pressure be at WOT?

95 z28. on a pressure gauge I pulled about 40psi at idle and 37 to 38 at WOT. I currently have a problem where if I go WOT from a slow roll it will basicaly hit a rev limit of 5000rpm whereas if I roll into full thottle it will hit 6300rpm. any ideas or comments?
Old Oct 9, 2005 | 05:23 PM
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Re: what should my fuel pressure be at WOT?

Originally Posted by 87lt1rx7
95 z28. on a pressure gauge I pulled about 40psi at idle and 37 to 38 at WOT. I currently have a problem where if I go WOT from a slow roll it will basicaly hit a rev limit of 5000rpm whereas if I roll into full thottle it will hit 6300rpm. any ideas or comments?
41-47 at WOT and it should not fall.
Old Oct 9, 2005 | 06:37 PM
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Re: what should my fuel pressure be at WOT?

could this be the reason for my problem?>
Old Oct 9, 2005 | 06:39 PM
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Re: what should my fuel pressure be at WOT?

Originally Posted by 87lt1rx7
could this be the reason for my problem?>

YES
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