GM Bow Tie Vortec Small Block Engine - Blue Thunder 355
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Grady began with a cast-iron, two-bolt main bearing block fitted with HTC steel billet main caps on the center three races that are secured with ARP studs. To strengthen the assembly, he also installed deck plugs. Then he prepared the block's lubrication system by plugging off the top of the engine, restricting oil to the top, and by the distributor boss. View Related Article
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