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Pro Engine Building Tips

Oil pan installation: Make sure the oil screen pick-up is a minimum of 3/8" off the bottom of the pan, but no more than a 1/2".

Handy Camshaft Tip: If your drag car picks up performance when you advance your cam timing, most likely your cam is too big and needs to be smaller. If your performance improves when cam timing is retarded you may need a much bigger cam.

Valve Overlap: Lengthening valve timing in the engine brought on overlapping of the intake and exhaust valve events (Both intake and exhaust valves are slightly open at TDC). In the early days, this unintentional overlapping was at first considered detrimental. But later, it was discovered that a mild scavenging effect was obtained from this overlap event, the exhaust actually pulled some of the intake charge in. This means more horsepower.
 

 

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