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Extreme race engines8/27/2023 We threw the supercharger together really quick. We need to make sure the heads are gonna stay on the engine. While Holbrook has plenty of experience with Coyote engine of all sorts, a full beans Coyote build allowed Whipple to explore what is beyond the street and Cobra Jet markets from a blower standpoint. From the data, blower speed, and boost, we know theres more in it. The gains since then from the heads, cams, and blowers is mind blowing. Years ago, it took billet blocks, huge cams, and more to achieve that. Chris has built some amazing engines already, so we knew there was potential there, said Whipple Superchargers Dustin Whipple. Were going to disassemble the engine, inspect it, and hopefully find some more. It was more to just get data for the supercharger. I think there is more to be had, Holbrook said. Packing a miniscule 315 cubic inches, the Coyote is boosted by a 3.8-liter, rear-entry Whipple twin-screw supercharger and with the Big Stuff IV EFI system calling the shots, the VP Racing Fuels C16-burning mod motor made 2,069 horsepower before Holbrook cut it a bit early on the dyno pull. This test mule is based on a standard bore, Bear Coyote block with GT350 cylinder heads, a 3.800-stroke Sonny Bryant crankshaft, custom Holbrook Racing cams, Diamond Pistons, Bill Miller aluminum connecting rods and Total Seal rings. Both Holbrook and Whipple were doing a superb job at keeping the projects a secret until Whipple blew it wide open by posting this video of the first engine on the dyno. ![]() And as you can additionally infer from the title, both cars will be equipped with Whipple Superchargers. As the headline states, the duo isnt stopping there, as they have procured a second car to race in the Edelbrock Xtreme Street category, covering both big- and small-tire classes. As it turns out, Holbrook will be concentrating on another racing program as well, as he and Whipple Superchargers are planning to step into VP Racing Lubricants Xtreme Pro Mod for 2021. ![]() At the end of the 2020 NMCA Drag Racing season, Holley EFI Factory Super Cars racer Chris Holbrook parted ways with his Cobra Jet Mustang to concentrate on customer engines.
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