Thrasher Camaro Part II - 1969 Chevy Camaro Small Block Engine Buildup
The Thrasher 406 uses a Crane roller camshaft with horizontal tie bar lifters. When using a Bow Tie block, this requires the tops of the lifter bores to be machined down to clear the tie bars. This process, along with the installation of four-bolt main caps, the cylinder boring and honing, stroker crank clearancing, and machining the deck, were done by Summit Racing Equipment, in Akron, Ohio. Victory Engines polished the lifter valley to promote oil flow.
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