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Chevy 454 Big Block Engine Torque Specs. These specs may not be correct for your application. Verify your engine specs with a service manual for your year and model. Sep 19, 2010 · I recently built this 454. It is mostly stock with the exception of Eagle 4 bolt main cap conversion and ARP studs. Some of the internals include GM
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The king of all Rat engines, the ZZ 572/720R big block is Chevy Performance’s baddest crate engine – see images, dyno specs, installation info and more.