Need some help...turbo troubles
08-12-2007, 12:00 PM
#1
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Need some help...turbo troubles running a t72 w a q trim on a 383 chevy 38mm wastegate theres a 20lb spring in there so it should make 20 lbs of boost right? it doesnt i get about 9 lbs of boost and like 40lbs of exhaust pressure. im blowing header gaskets out like crazy and turbonetics guys say its good for over 800 hp somebody help!
08-12-2007, 12:40 PM
#2
T72 is too small for a nice flowing 383. Check for boost leaks though....if you have a leak, that would explain the high exhaust pressure with little intake pressure.
09-10-2007, 07:37 PM
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sickly fast its been running alot better lately i leaned it out alot and fixed exhaust leaks. oh and i was reading the gauge wrong! duh its got like 25 psi on the exhaust. putting the a 1000 fuel pump on and cranking the boost up then its off to wildwood hot rod fest to put it on the dyno 600 hp here i come!