427-Inch Pump Gas Street Machine Big-Block Chevy Hits the Dyno and Makes 622 HP!
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427-Inch Pump Gas Street Machine Big-Block Chevy Hits the Dyno an…
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hotrod.com
HOOPER 427! Nitrous 427ci Small Block Chevy Grudge Racing Engine on the dyno at Prestige Motorsports. The owner here did not want the power numbers posted but we still wanted to share. Just because you don't see it on our website, doesn't mean we won't build it. Contact us today for more details. Learn more on our boost ready small block Chevy engines here >> https://www.prestigemoto.com/custom-engines/chevy-small-block-engines.html#power-adder-series www.prestigemoto.com (704) 782-7170 #350chev
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HOOPER 427! Nitrous 427ci Small Block Chevy Grudge Racing Engi…
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Rectangle port intake on Oval port heads
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454 Chevy on the dyno. 9:1 compression, Comp cam 230/236 duration .556 lift. Performer intake, and 750 Quick fuel carb. Oval port open chamber heads 2.190 in and 1.72 ex valves. 480 hp and 535 trq. The Comp cam worked great. | Powerline Performance Machine
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