Re: block quandary
Lawrie,
The application determines the need to make certain modifications. Ross pistons and Metric rings will make allot of difference is a race engine or one that will see very high RPM's. A street engine rarely sees 4 K . Compression and camshaf determine the lowend torque. I'd just go with the 4 ring pistons and leave the bottom ring off. An old stock car mod was to cut the bottom of the piston as well, this brings the weight down. There are many things you can do to a flathead and they all have their place in their application.
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