1jz vacuum pressure question....
09-01-10, 08:36 PM
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1jz vacuum pressure question....
Sorry, i searched but didn't find what i was looking for, but what is the vacuum pressure on a stock 1jz? Mine use to to be at 18psi but some how its 21psi after i rerouted my boost gauge. I'm not sure which is the correct pressure and some how my boost raised from 9 psi to 11 psi... I guess what i'm trying to figure out is if i did something wrong or if i fixed it...
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