psi drop???????
#1
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Location: vallejo, ca, usa
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psi drop???????
so we went out tune my car last nite after th installation of my greddy kit. everything on the kit is fine . turbo is from a si kit. what i noticed was that the little thing on the wastegate where you connect the hose is a lil cracked. meanin jus the nipple thing rattles but its stil inside the waste gate.. also my exhaust manifold one of the corner bolts snapped off so there was somewhat a exhaust leak... we did a couple of WOT pulls and boost would hit about 9-10 psi .... later in the night boost would hit 9 at about 4900 RPM but would drop off to 5 right before my vtc kicked in at about 5500..... what could it be? i checked my charge pipes and no leakes.. could the waste gate be causing this? or is it the exhaust leak? or do i have a bigger problem....oh and btw it holds fool boost if i keep it at partial throttle all the way up to redline.
thanks in advance... sorry its so long
thanks in advance... sorry its so long
#4
Re: psi drop??????? (desiromeo812)
I was told myself by a tuner that its just the internal wastegate by greddy. I took my car on the dyno to tune and i saw that myself too.
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