Common questions

What Motor came in a 79 Trans Am?

What Motor came in a 79 Trans Am?

The short-deck Pontiac 301 V-8, with its 150 horsepower, was the base Trans Am engine and came with manual and automatic options.

Can a V8 beat a V12?

V8 engines are smaller than V12 engines, making them a more efficient choice when space in a vehicle is limited. V8 engines also offer better fuel economy over V12 engines as they consume less gas due to having fewer cylinders than a V12.

Is the Pontiac Trans Am an Olds engine?

Pontiac did not make the drivetrain in my Trans Am. It is not a true Pontiac engine despite being installed in the car when it was built in Norwood, Ohio. Pontiac borrowed my motor from Oldsmobile. Is that such a bad thing? The Olds 403 engine gets no respect because of its cross-breed origins.

How to make a’79 olds 403-powered Trans?

Here’s one by nrd515 describing how he got a 403 Olds-powered ’79 TA to run 13.35/105 in the quarter mile. If nothing else, it proves that the 403 can be made to fly) I knew someone who got an ’81 Turbo T/A from their parents as a HS graduation present. It was disappointing, to put it mildly.

When did the Pontiac Trans Am get the 403 engine?

Or at least I do. The 403 was introduced in 1977 for larger cars to actually move themselves during an era of strict emission laws and fuel consumption standards. The 403 should have won the hearts of many since most of the 1977 Trans Ams from Smokey and the Bandit employed them.

What kind of engine does the Olds 403 have?

The 403 is a mediocre all out performance engine. The main bearing webs are the weak link and the engines can usually accept only a .040 overbore. They are thin. Yes you can bolt the mounts off the 350 right to the 403 and drop it in.

Pontiac did not make the drivetrain in my Trans Am. It is not a true Pontiac engine despite being installed in the car when it was built in Norwood, Ohio. Pontiac borrowed my motor from Oldsmobile. Is that such a bad thing? The Olds 403 engine gets no respect because of its cross-breed origins.

Here’s one by nrd515 describing how he got a 403 Olds-powered ’79 TA to run 13.35/105 in the quarter mile. If nothing else, it proves that the 403 can be made to fly) I knew someone who got an ’81 Turbo T/A from their parents as a HS graduation present. It was disappointing, to put it mildly.

Or at least I do. The 403 was introduced in 1977 for larger cars to actually move themselves during an era of strict emission laws and fuel consumption standards. The 403 should have won the hearts of many since most of the 1977 Trans Ams from Smokey and the Bandit employed them.

When did the Oldsmobile 403 V8 come out?

From the factory, the engine never lived up to its design potential due to fundamental shortcomings. However, engine builders found creative workarounds and made this 6.6-liter GM V8 a respectable powerplant. The Olds 403 was found in a variety of General Motors vehicles from model year 1977 to 1979.

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Ruth Doyle