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As far as going in the engine compartment and bolting to the transmission, and Pontiac, Oldsmobile, Buick engine will work. You may have a duel pattern transmission which would allow you to use Chevy also. You would have to look to know. Where the trans. bolts to the engine there will be two holes side by side. Al GM except Chevy are the same as far as bolt pattern. Any motor will work, it's just a matter of running the Plumbing, electrical and exhaust.

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Q: 1978 Pontiac trans am an you wont to do a engine swap what motor will fit in it?
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Related questions

Where is your Trans dip stick on a 1978 Trans am?

.The 1978 Pontiac Trans Am engine oil dipstick can be found on the right hand side of the engine. The engine oil dipstick will have a yellow handle.


What is the oil capacity of a 1978 Trans Am?

The 1978 Pontiac Firebird Trans Am engine oil capacity is five quarts. The 305, 350, and the 454 cubic inch motors all had the same motor oil capacity.


Was the 455 engine available in a 1978 trans am?

No, Pontiac stopped 455 production in 1976. They are easy to swap in though.


Does a 1978 Trans Am 403 V8 use the same engine parts as a 400 V8?

NO. 403 is an Oldsmobile engine 400 is Pontiac engine no it dows not i have a Pontiac 400. uses diff. parts not interchangeable.403 is Oldsmobile


The trans ams built in the late 70's used two engine choices an Oldsmobile 403 and the Pontiac 400 it is your understanding that the only way to get the 400 Pontiac engine was to also get the 4 speed?

To get a 400 Pontiac Motor in 1979, you had to also get the 4 speed. Pontiac last manufactured 400 motors in 1978 but saved some from 1978 for use in the 1979 model. Those motors were used in the 1979 4 speed cars only. 1979 Automatics had the Oldsmobile 403. You could also get a turbo version too. All of which could come with auto trans. I worked on many of these at the Pontiac dealer.


Where are the front speakers located on a 1978 Pontiac Trans Am?

Center of the dash.


Where is the voltage regulator located in a 1978 Pontiac Trans Am?

Inside the rear of the alternator


What is the torque of a 1978 Pontiac Trans Am?

About 310-325ft/lbs if its a stock 400.


Where was the serial number located on the engine of a 1978 trans am?

On the front left of the block is where the number is located along with a two letter code that tells you what the motor is.


What is the top speed of a 1978 Pontiac trans am?

Most of them topped out between 110-120 MPH.


What braking options were available on a 1978 Pontiac trans am?

For 78......disc front.....drum rear.


Oil pressure at idle Pontiac trans am 1978?

What about it?, if it's 20 lbs. it's OK.