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Old 02-15-2018, 07:26 PM   #7
truckster
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Join Date: Jan 2001
Location: Orem, Utah
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Re: 5.7 Vortec for 72 C20

You'll need a mellonized distributor gear - the roller cam will eat up a regular gear, an intake manifold for the Vortec bolt pattern, and your block will likely not be drilled for a mechanical fuel pump, so you'll need an electric fuel pump. You'll also need a new flexplate or flywheel for the one-piece rear main seal crankshaft.
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