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Old 02-06-2020, 09:24 AM   #7
That1guy_tim
 
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Drives: Camaro 1ss
Join Date: Nov 2019
Location: Wisconsin
Posts: 521
How many miles since last dyno tune?? Just spit balling ideas here but being direct injected engine and running E85 you might have some carbon buildup causing the decrease in HP... Do you have a catch can ?
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