someone please help boost to high
06-28-05, 07:11 PM
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someone please help boost to high
i have an 87tll my boost is to high and the fuel cut is kicking in if i get on it it is good untill i get to 5500rpm and then i starts to bogg and hesitate then i have to shift the boost gauge is saying almost 40psi there is a t fitting for the presure sensor and the bov that got to the nipple that the bov goes to so they are together all emissions removed and everything is stock if i drive it like my grandmother i have no problems
06-28-05, 07:18 PM
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Put a new vacuum line from your compressor housing fitting (right underneat the outlet to the intercooler), and run it the wastegate and see if that does anything. What kind of boost gauge do you have? 40psi would have killed your engine by now.
06-28-05, 09:05 PM
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sorry about the mistack it is a stock boost gauge and it is almost all the way to the top and the top says 40 so sorry about that and at 5500 if i let up on the gas a little it will smooth out
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06-28-05, 09:35 PM
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Originally Posted by SonicRaT
Put a new vacuum line from your compressor housing fitting (right underneat the outlet to the intercooler), and run it the wastegate and see if that does anything. What kind of boost gauge do you have? 40psi would have killed your engine by now.
06-28-05, 09:39 PM
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Well, since it obviously isn't 40psi, it could be a few things other than what I said. Have you installed any free-flowing exhaust/intake peices at all recently? If so, it's probably creeping up to boost-cut.
06-28-05, 09:39 PM
#10
your statement is contradictory, you said it was stock yet all the emissions are removed and the BOV is teed off. i assume you have punched out cats or free flowing exhaust installed? if you do then you need to install a fuel cut defenser and put in place a way to change your fuel mixtures, ie. an SAFC/2, HKS Fcon, standalone engine management, etc...
porting the wastegate so you can control your boost level is also a benefit if you are pushing higher boost levels than your fuel system can handle. porting the wastegate is the cheapest method to cure your problem for now until you want more boost.
porting the wastegate so you can control your boost level is also a benefit if you are pushing higher boost levels than your fuel system can handle. porting the wastegate is the cheapest method to cure your problem for now until you want more boost.
06-28-05, 09:45 PM
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i didnt know that the exhaust would give me more boost i am sorry that i didnt tell you that so i should port the wastgate and get a fcd but i do have another guestion where does the fcd go exsactly not shure just courieos thanks guys
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