Thread: HKS SQV IV now released, buy the real thing. Kits for GD, GRB and GE WRX/STi in stock
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Old 29-11-2011, 05:49 PM
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Obviously there is a leak as it stumbles at idle.

In your case, you should use back the standard factory recirculation valve. If you want some noise, then use a proper HKS SQV IV or any other blow-off valves that have a proper R+D.

Quote:
Originally Posted by ewrxion87 View Post
Hey mate,

you have my highest attention also, i dont own a hks valve however i do own a GFB tms responc and if i have it running atmospheric, im constantly getting backfires and loud ones too... in between shifts up and down.... my tuner said this was ok, but i still worry about it. ive tried everything...tightening the spring, loosening it etc... i rebuilt it last week part for past and there was a sh..load of oil in there which i guess is normal... but what is your opinion on this seen you know abit about it...

vaccuum leak or... on 100% atmospheric my idle was also stumbling on clutch in and stop at the lights... i put the stock one back on but i lose sound obviously and most of all i lose my intake flutter which is awesome btw :P so stock isnt an option

thanks mate.