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63 PONTIAC TEMPEST DRIVER
63 PONTIAC TEMPEST MANUAL

63 PONTIAC TEMPEST MANUAL

Along the way he made an important change to the car the 4-speed transaxle accommodated only up to a 3.90 final drive ratio and was somewhat prone to breaking under the 421’s explosive power, so Antlocer replaced the factory driveline with a heavy duty Borg Warner 3-speed manual transmission and a full-size Pontiac rear end with a 4.30 gearset.

63 PONTIAC TEMPEST DRIVER

Driver Stan Antlocer campaigned the car through a busy and successful 1963 season that included the all-important Indy Nationals. One of the six built, this Tempest LeMans coupe was delivered to Stan Long Pontiac on Grand River Road in Detroit. All used aluminum front sheet metal and brake drums, acid dipped bumpers and mounting brackets and lightweight windshield glass, resulting in almost perfect 48/52 weight distribution while keeping the cars in line with the NHRA’s 7.5 pounds-per-cubic-inch A/FX class weight limit. Following in Thompson’s footsteps, Pontiac Engineering endowed the cars with high compression, dual quad-equipped 421 CI Super Duty engines connected to unique rear-mounted 4-speed automatic transmissions. Built on December 12th, 1962 at the Pontiac, MI assembly plant, the purpose-built LeMans coupes were all painted White and given Blue interiors with bucket seats. Gaskets are not required.After Mickey Thompson and Royal Pontiac dominated Super Stock and A/FX in 1962 with their own specially-prepared Tempest racers, Pontiac Motor Division took direct aim at the NHRA's Factory Experimental class, building 14 special lightweight Tempest racers – six LeMans coupes, six station wagons and two standard coupes.

Metal-to-metal connection at the manifolds.

If the cast iron flanges are needed, add them to your cart for an additional $45.00.

For MY's 1970-72, this system does not include the chrome tips but will be designed to fit up to the stock tip design.

This system starts out at 2¼"OD on the exhaust pipes which reduce to 2"OD at the muffler inlets and then increases to 2¼" OD at the tailpipes.

This dual exhaust system consists of the LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes.

Photo depicts the stock dual exhaust system for 1967 Pontiac Lemans, Tempest, and Custom with RA or HO manifolds on the stock 400ci V8 & standard transmission (this is a resonator eliminator system for 1967 GTO's with RA or HO & STD trans). For systems w/o RA or HO, refer to listing 453210. If your MY 1966, 1967, or 1969 was stock with 4 mufflers, refer to listing 453477. This listing covers MY's 1966, 1967, 1968, & 1969 Pontiac Custom, GTO, Lemans, & Tempest with Ram Air or High Output, 1970 models with Ram Air, and 1971-72 models with High Output.

1966 & 1967 resonators are bullet style while 1969 resonators are cannister style.

If you already have the needed cast iron, you will need to send them to Waldron's in advance. You will also be asked whether you have the cast iron flanges or if you need them added to your cart. There is an additional cost of $50.00 in aluminized steel or $100.00 in T409 for RA or HO.

In the check out process you will be asked to report w/ or w/o Ram Air or HO.

Dual exhaust consists of the LS/RS exhaust pipes, LS/RS mufflers, LS/RS connector pipes, and LS/RS resonators with turndowns.

Photos depicts the system for a 1969 GTO stock w/automatic transmission.

1968 all mid-size's & 1969 GTO's with a 400ci & standard transmission were all stock with mufflers only, for the correct system refer to listing 453475 if you have a HO or Ram Air set-up or 453210 for non-HO or Ram Air. This listing covers MY's 1966, 1967, and 1969 Pontiac GTO, Tempest, and Lemans' stock with a dual exhaust system with mufflers and resonators.