Quote:
Originally Posted by rdame
How much of a stroke on the crank? I was told that if you have a 4" stroke and are not using a Tall deck block, you could be pulling the pistons out of the bottom of the cylinders past the guage point, causing them to rock and resulting in piston wear which eventually will cause oil consumtion and worse over time. I have not researched this thoroughly but I believe the source of the info.
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The video here:
Go to 8:45 and Tom from Nelson Racing Engines explains.