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

Still stumped, loss of power at high RPM

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Old 05-21-2004 | 11:29 PM
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kgkern01's Avatar
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Question Still stumped, loss of power at high RPM

When at WOT, or even partial throttle, once I get close to 5k, the power just seems to all of a sudden stop, as if I am letting off the gas. I just put in a new fuel pump, so is not that. It is not throwing any SES lights. It is not missing or backfiring whatsoever, and pulls smooth up till close to 5k. I can even do like 1/3-1/2 throttle, just leaving it in 1st till redline and feels like a slight drop also, but at closer to redline when doing that. WTF could this be?
Old 05-23-2004 | 03:06 AM
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kgkern01's Avatar
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Anyone???
Old 05-23-2004 | 07:18 AM
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Knock retard, maybe? Get a scanner to monitor it.
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