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Enthusiast ![]() ![]() ![]() Joined Mar 4, '06 From Ohio Currently Offline Reputation: 10 (100%) ![]() |
I just got my swap done and drove it today. Its only boosting to 6-7 max psi. I think the mechanical boost gauge is ok because its vacuum is reading 20 at idle. When I pinch off the vacuum hose on the side of the turbo the boost goes through the roof until fuel cut! Is this normal for a stock 1991 st185 with top mount intercooler to only get 6-7 psi? I thought it should be about 10-12 psi. Or is that psi only possible with modifications to the wastegate? Thanks for the help!
-toyotacrazy |
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Enthusiast ![]() ![]() ![]() Joined Mar 4, '06 From Ohio Currently Offline Reputation: 10 (100%) ![]() |
I understand how the tmic is not the best setup. I am working on a fmic now. But could it really be holding back that much boost? I mean...theres st185 celicas running around with tmic pushing 16 psi of boost. I know they have the factory hood scoop though. Ill try the fmic and see what happens. Thanks.
-toyotacrazy |
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Lo-Fi Version | Time is now: July 18th, 2025 - 9:59 AM |