Stock Blow Off Valve

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05-08-2002, 08:22 AM

wdwflash

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Join Date: Oct 2001

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I'm running a J-spec Turbo II in a Kit car. I didn't get the blow off valve with the engine. How important is this if I'm only running stock boost? At what pressure does the stock valve open? Would it make a lot of difference on which side of the intercooler I mounted one?

05-08-2002, 08:38 AM

13BAce

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Location: Bay Area, CA

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You should really run one. Either side of the IC is fine. Usually the closer to the TB the better. If you can't find one I should have one lying around.

05-09-2002, 07:46 AM

wdwflash

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Thanks for the offer, but I think I found one from a '93 for a good price. I'll use that until I buy an aftermarket one.(they seem kind of expensive for what they are.)

05-09-2002, 08:36 AM

13BAce

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Quote:

Originally Posted by wdwflash' date='May 09 2002,09:46

Thanks for the offer, but I think I found one from a '93 for a good price. I'll use that until I buy an aftermarket one.(they seem kind of expensive for what they are.)

The stock BOV will do ok up to around 12-15 PSI. After that you should really go with an upgrade.