A vacum line won't cause that much boost to leak... but it can cause a small drop.
You have a stock bpv on a t61?
Stock intercooler? Check your intercooler and pipes for holes or maybe a blown off connection!
DON'T EVER UNHOOK YOUR VACUUM LINE FROM YOUR WASTEGATE!
Are you running your boost gauge off the same port as the wastegate?
Show a pic of the engine compartment that will help us see what you are working with.
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1995 Toyota Supra SE 71k miles. Master power T70
stock 2jzge
1989 Toyota Supra. 1jzgte swap 5 speed of course..
Driftmotion 60-1 single turbo kit. Cxracing FMIC. 2jz 550cc injectors... soon to come..... EMS Stinger. BC 264 cams 680cc injectors Spec stage 4 clutch and A LOT of boost!------SOLD
1999 Ford F350 diesel
2004 Jaguar XJR Supercharged
If it hasnt broke you haven pushed it hard enough!!
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