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Old 09-10-2018, 07:21 PM   #14
highperformancedave
 
Drives: 1991 Z28 and 2011 2LT
Join Date: Apr 2018
Location: Greeneville Tn.
Posts: 7
You seem to know what you're talking about My son has a V6 with a Nitrous Outlet 150 shot.. We have the car tuned with Trifecta, they have backed the timing out.. In 1/8 mile everything seems good but in 1/4 we're leaning out. Am I right that this car has mechanical pump? I read about ZL1 pump upgrades but thats an in tank electric pump. I'm very confused so any advice would be appreciated.
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