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Old 08-28-2006, 08:15 PM   #5
Gruppe-S
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Join Date: Aug 2002
Location: Lake Forest, CA | 949-457-1234
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2006 949-457-1234
949-457-1234

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Quote:
Originally Posted by spoolinsuby View Post
I'm using the STi motor in a WRX so I have already made the pick-up change. Will the STi valvesprings be good enough?
While the STI springs / valvetrain does accomodate for a higher lift camshaft than the WRX, the valvetrain is also designed for a lower revving engine / valvetrain. I would recommend using an aftermarket valvetrain such as the Helix valvetrain for the camshafts. If you are planning to keep your revs low and to stay with the stock valvetrain, please remember to check your valvelash clearances, etc.

Thanks,

Gary
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