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boost problem

  1. Supra FAQ
    Hey I have a 1990 mkIII with the 7mgte and I'm currently dealing with a problem of boost loss at normal coolant temps. So when I cold start it (I let it idle like 1-3min before moving it because its cold outside right now) I get about 10-12 lbs of boost but only about -15-18 vacuum out of it but...