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Old 02-19-2022, 01:27 PM   #6
GRUF78
 
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Drives: 2018 ZL1 1LE
Join Date: Jul 2020
Location: TX
Posts: 14
All,

In comparing OE engine to "new" engine...

The new engine seems lazy to rev. Uses 9 gallons vs 6 gallons of fuel per track session now......The heat issue is just with the new engine. Over 5K of track miles with the OE engine and intake/exhaust mods with NO issue.

Thanks for your info,

JM
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