Pure Stock Drag Racing tips & tricks

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**Salvatore** · #27 04-01-2003, 10:53 PM

Marlin, The valve adjustment determines some low end power and different vacuum. It also can be a smoother or rougher idle with different settings. You are probably getting yourself a little confused with all these numbers. This is why I asked you a week or so ago if you had any vacuum. Cam duration determines vacuum. It depends on how long the cam stays open. You are so close to Pete. He is expecting to see you and your car.Just go over or call and ask him. Good luck! Sam

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