The RB Engines: 383 - 413 - 426 - 440 | Allpar Forums The next step was expanding the bore to 4 25 inches, for a 426 cubic inch displacement, debuting on the 1963 cars Buyers could get high-performing 300J heads or normal-performance 516 heads The street-tuned 426 Wedge was a conventional four-barrel setup, with performance not far above the similarly outfitted 383
Dodge - Plymouth - Chrysler 426 Hemi: the Elephant Engine The new 426 Hemi had a standard RB engine block, with "hemi" heads - reversing the progression of the original Hemi into [cheaper] polyspherical and then wedge-head engines You Chrysler guys may remember the Race Group's flat-crank Hemis in Room 13
426 Hemi - share your memories - Allpar Forums Between 1964 and 1966, the GEN II Hemi was technically only available in cars for Motorsports participants, mainly NHRA, Nascar, and USAC Competing (and winning) in the major US motorsports series made the 426 Hemi an essential part of Chrysler's performance marketing all through the mid 60s to the early 70s
Max Wedge: Maximum Output - Allpar Forums As mentioned earlier, the prime mover of Mopar performance in the early 60s was the 383 In 1960, Chrysler introduced the wild aluminum cross-ram intake setups for the motor, which suspended the carbs over the fenders and fed the air fuel mixture through long two runners which ran over the valve covers on opposite sides of the engine (photo at right)
New Mopar Street and Crate Hemis (426 and 572 Hemi blocks) The 426 Hemi Generation III crate engine produces 600 horsepower and 590 lb-ft of torque, with an aluminum block, pistons, and heads; it has a forged steel crank and rods, billet steel main caps, and a hydraulic roller cam (0 639" lift)
426 hemi block - Allpar Forums 426 hemi block Jump to Latest 3 1K views 3 replies 4 participants last post by CONVDART440 Feb 7, 2022
Mopar starts celebrating Hemi Day, 4-26, early | Allpar Forums The company that celebrates the 1924 Chrysler’s 100th anniversary in 2025 has already started Hemi Day celebrations Hemi Day is 4-26, which spells out the 1960s 1970s “elephant engine” displacement of 426 cubic inches That engine was rated conservatively at 425 brake horsepower, so this 4-25 announcement also works
1964 Dodge Special pickup package with 426 wedge optional engine Rumor was 2 CCS pickups were built in 1965 with 426 Hemi's, but I don't believe that has ever been substantiated As for the Little Red Truck, early tests of one of the prototypes netted sub-15 second quarter mile times, but the 1978 production LRT's ran in the high 15's (Hot Rod quoted times), just about exactly what the 1990 454SS ran (I had
2016 Dodge Challenger Drag Pak: Mopar’s 426 Hemi and Supercharged 354 V8 The 426 cubic inch Challenger Drag Pak has done a fine job of competing in the latter class, but the blown Fords and Chevys still had the better times That all changes with this new supercharged Hemi, as a blown Challenger Drag Pak running low 8s should easily be able to battle the Camaro and Mustang drag racing packages