The pistons have a small dome to help boost compression to about 10.2:1 with Dallas’ 118cc open-chamber 396 cylinder heads. Add in a 0.30 inch overbore and you get a 427-well, technically a 432.įlip the block over and you’ll see the SRP forged pistons. Also made from 4340 steel, the H-beam rods are 6.385 inches long and set up with floating wristpins and ARP cap screws rated to 180,000 PSI. 125 inch radius on the rod and main journals for increased strength. Made from 4340 steel, the crank has a 396 stroke (3.766 inches) with cross-drilled and chamfered oil holes for improved oiling plus a. Down under is an Eagle Specialties forged crankshaft and connecting rods. Here you see the Clevite main bearings and the ARP main bearing studs, added for some extra insurance. The block is more than capable of handling 500-odd horsepower. Glenn’s new 427 starts with a 454 iron block with two-bolt main caps. Glenn’s grandmother gifted the car to him when he graduated high school. In that first race season in 2008, he finished in the Top Four in his class, and won the Sportsman title in the Race of Champions during the NHRA Division 6 Summit Racing Series Finals. Want to build a 427 just like Glenn’s? Check out the Dallas Glenn 427 Chevy Parts Combos at Summit Racing.ĭallas Glenn has raced this 1968 El Camino since he turned 17. Permanent modifications, which I just can’t do to Grandma’s car.” “I don’t want to go any quicker because then I would have toĪdd a roll bar or cage,” Glenn continued. And that is about as much power as Glenn wants, and for a Tuned on the KB Racingĭyno, the 427 made 537 peak horsepower at 6,000 RPM and 517 lbs.-ft. Horsepower would be enough to run 11.50s in the quarter-mile, even with the So I could move that weight to the back of the car. That will help it hook better and be moreĬonsistent,” Glenn explained. “My goal was to make more horsepower so I could add at leastġ50 lbs. Ultra XP 850 CFM carburetor on an Edelbrock Performer RPM Air-Gap intake 622” liftģ96 oval port iron heads with bowl cleanup and PAC Racing valve springs Together and came up with a list of parts:
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