Thread: What Stock rules would you change?
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Old 11-17-2019, 03:08 AM   #54
Todd Hoven
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Default Re: What Stock rules would you change?
Quote:
Originally Posted by Dwight Southerland View Post
Limit valve spring pressure. Maybe 120lbs seat, 300 lbs @ .500".
Pontiac had dual valve springs from the factory in some combos that had more open pressure then that. Just saying
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