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Discussion Starter #1
I just bought and installed an ARC bov on my '87 supra turbo. I did this to eliminate turbo flutter that i thought was caused by a bad stock bov. The turbo doesn't "flutter" as much when shifting under boost but its still noticeable. Any help diagnosing this problem would be good....also, i notice the car stumbles a little when shifting. Is that because the bov doesn't reroute back into the intake?
 

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I have HKS BOV its always goin to do that man mine does it at vacum when shifting . It happends
 

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Discussion Starter #4
the stumbling when shifting after WOT isnt bad but its annoying and it makes ppl riding in the car with you wonder. Anyway, i kno i don't have any boost leaks because i just recently checked all the pipes and retightened them. BTW, i have 2.5" aluminum IC pipes
 
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