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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
Originally Posted by mark houghton View Post
Are you sure about that?. Many out there have installed SC and 964 cams with stock springs.
I understood that seat pressure is supposed to be increased both with higher lift cams and or with turbo charging.

I went to race springs when I changed cams.

The other way to go is with light weight retainers.
Old 01-28-2010, 04:07 PM
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