1963 Pontiac Super Duty 421: A Profile of a Muscle Car ... Most of the Super Duty 421 engines, including this rare 405 bhp version, went into Catalinas. For those unwilling to take the Super Duty plunge, Pontiac introduced two new 421s that were more streetable. These High Output 421s had 10.75:1 compression and 353 hp with a four barrel or 370 hp with three two barrels. Barely Legal – 1962 Pontiac Super Duty | Hemmings Daily A Catalina with the Super Duty package was a factory produced, street legal drag racer sold at Pontiac dealerships. Even in a car this big, 421 is a tight fit. Myth No. 2: The engine actually displaces 427 cubic inches. For unknown reasons, a small batch of engines were factory overbored.030, but the Super Duty engine is really a 421. 1962 Pontiac Grand Prix 421 Super Duty | Hemmings Daily The owner said they came on the car from Pontiac because it was a 421 Super Duty. Allan had never heard of a Super Duty in a 1962 Grand Prix, but he listened. The owner had bought the car in 1964, while in the Air Force, from the original owner who had blown up the Super Duty engine. A 1963 389 cu.in. V 8 was installed. 1963 Pontiac Catalina Super Duty 421 SD 421 410HP Catalina 4speed VS 1972 Pontiac Trans Am 455 HO 4Speed. Bruno Beltrame. Skip navigation ... 1962 Pontiac Catalina Super Duty Super Stock Video Duration: 7:59. 1962 Pontiac Catalina 421 Super Duty Hot Rod Network The 421 Super Duty Pontiac’s 421 Super Duty engine debuted late in the ’61 model year as a larger version of the SD 389. Neither engine, however, was factory installed. Pontiac 421 V8 Specs, Firing Order and Engine Information ... Pontiac produced the 421 V8 engine from 1961 to 1968. The 421 was first availabe in a SD (Super Duty) model that was built for racing. Information and specs for the Pontiac 421 V8 engine. Pontiac produced the 421 V8 engine from 1961 to 1968. One Of Sixteen: 1962 Pontiac GP Super Duty Barn Find! Super Duty. Two words that will thrill most Pontiac fans. At one point in time, according to this article, it was believed that the 1962 421 Super Duty engine, essentially a drag racing engine in a street car, was only installed in Catalinas. As it turns out, 16 Grand Prixs were produced with the behemoth of an engine as well. 1962 Pontiac Catalina Classic Cars for Sale Autotrader 1962 Pontiac Catalina Classic Cars for Sale. Find new and used 1962 Pontiac Catalina Classics for sale by classic car dealers and private sellers near you. Change Location. within ... 421 Super Duty; 93,390 miles; Up for sale we have a very special 1962 Pontiac Catalina. This car was built by David Greene in 07 and has been featured in multiple ... Pontiac V8 engine Introduced in 1961 as a dealer installed Super Duty option with dual four barrel carburetors, the 421 had a bore and stroke of 4   3 ⁄ 32  in × 4 in (104.0 mm × 101.6 mm), for a displacement of 421.19 cu in (6.9 L). PONTIAC stock Pontiac Super Duty 421v8 405hp vs stock Chevy 409v8 409hp on DYNO I've even heard Pontiac rated tested their engines in a 100 degree room, compared to Chevy in a 60 degree room. These dyno results seem to reflect that some of what I heard was true. 1962 Pontiac Catalina Super Duty 421 Muscle Cars The engine most identified with Pontiac's proud Super Duty label was the 421 cid V 8. It was an incredibly powerful muscle car engine the 1962 Pontiac Catalina Super Duty 421 was proof of that. Hand built in a special factory tool room, the first Super Duty 421s debuted late in 1961 as race only engines.

pontiac 421 super duty Gallery


1963 pontiac lemans

1963 pontiac lemans

coil to ballast resistor harness

coil to ballast resistor harness

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