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BoxxerSix BoxxerSix is offline
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Join Date: Jun 2006
Location: Ballston Spa, NY
Posts: 528
Originally Posted by dean View Post

When you cut a spring, it increases the force to compress it. And you boost will be higher

If you cut the spring the preload on the wastegate diaphram will be lower and thus less boost pressure.

Any wastegate spring I've ever cut to modify boost pressure has always resulted in lower boost.

I would source a lighter pressure spring before cutting the stock one. Plenty of places to get them online(spring companies)
Adam Hennessy
Old 11-11-2007, 04:45 AM
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