no boost when warm

91Supra313

New Member
Jul 30, 2009
1,062
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Clarksville TN
I have my friend's 7M supra here for some work and I have run into a problem. Here are the stats on the car
HKS Sport turbo
Lex AFM
550s
AFPR ( reading 32psi no vac )
Walbro
Built bottom end
3" from elbow back
Stock I/C
The problem is, when the car is cold it runs and pulls really good. The second it gets warm it falls on it's face. It can be driven as long as it doesn't go into boost. Sounds like the turbo is wanting to run wild but something is not letting it go. All IC pipes are tight and no leaks can be found. This is driving me crazy. Trying to get his car running great before IA on the 20th