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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#35272 01/28/2002 5:16 AM | Joined: Nov 2001 Posts: 72 Member | | Member Joined: Nov 2001 Posts: 72 | On the old race motors I used to set them running and crank them down until the chatter stops and go 1/4 turn more. The logic at the time was that the lifters would only go about 5K RPM before they would pump up and give you valve float. Decreasing to preload would let the engine go some more.
Dennis | | |
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