Turning the 426 Hemi from a high-strung, specialised racing engine into one thing drivable on the road offered some challenges to Chrysler engineers. To make the Avenue 426 Hemi extra dependable and smoother in day-to-day driving, its compression ratio was diminished to run on client gasoline, its timing and its camshaft had been much less aggressive, the cylinder heads had been switched from aluminum to iron castings, and each the exhaust and consumption manifolds had been redesigned. Other than these adjustments, the 426 Hemi was very near the Daytona-winning racing engine beneath, utilizing the identical bore, stroke, and structure. These adjustments resulted in an especially strong efficiency engine for the road that was marketed to place out 425 horsepower and 490 lb.-ft. of torque. It’s extremely seemingly that these 426 Hemi numbers had been decrease than its precise output, which may have been a technique to stop auto insurance coverage corporations from charging extreme premiums to Chrysler 426 Hemi homeowners.Â
The primary Chrysler autos accessible with the 426 Hemi had been the 1966 fashions. These included the Dodge Coronet (by means of 1970), Dodge Charger (by means of 1971), Plymouth Belvedere (by means of 1970), and Plymouth Satellite tv for pc (by means of 1971). In 1967, the Plymouth GTX (by means of 1971) could possibly be ordered with a 426 Hemi. In 1968, the Dodge Dart Tremendous Inventory (one 12 months solely), the Dodge Tremendous Bee (by means of 1971), the Plymouth Street Runner (by means of 1971), and the second-generation Plymouth Barracuda SS (one 12 months solely) had 426 Hemi availability. 1969 noticed the addition of the winged, long-nosed Dodge Charger Daytona and Plymouth Superbird particular fashions (each by means of 1970). In 1970, you could possibly additionally get a 426 Hemi in a Dodge Challenger (by means of 1971), a third-generation Plymouth Barracuda (by means of 1971), and a Plymouth Fury GT (one 12 months solely).Â
