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2.8L V6 to 4.3L Vortec V6

Old 02-21-2011, 09:54 PM
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Car: 1983 Camaro Berlinetta
Engine: 2.8L Carb V6
Transmission: 5-Speed Manual
Axle/Gears: Stock
2.8L V6 to 4.3L Vortec V6

I have an '83 Camaro Berlinetta with the 2.8L V6. I'd like a little more out of the car and am wondering if a 4.3L Vortec V6 will squeeze into the engine compartment/fit the stock transmission (5-speed manual). I am hoping to drop the Vortec in with the stock transmission. Please help, need advice!
Old 02-21-2011, 10:41 PM
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Re: 2.8L V6 to 4.3L Vortec V6

Originally Posted by berlinettaman
I have an '83 Camaro Berlinetta with the 2.8L V6. I'd like a little more out of the car and am wondering if a 4.3L Vortec V6 will squeeze into the engine compartment/fit the stock transmission (5-speed manual). I am hoping to drop the Vortec in with the stock transmission. Please help, need advice!
The 4.3 won't bolt up to the stock tranny. It uses the same bolt pattern as a V8 I believe.
Old 02-22-2011, 07:12 AM
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Re: 2.8L V6 to 4.3L Vortec V6

yep, the 4.3 has the same bolt pattern as the 350. It wont bolt to your existing transmission.

As far as fitting, it will easily fit. It is smaller then a sbc and they came in these cars. Big Blocks will even fit in these cars.
Old 02-22-2011, 02:03 PM
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You will have to custom fabricate mounts for a 4.3 V6. Although it is basically a 5.7 with two cylinders missing, they moved the engine mounts relative to the bellhousing on the 4.3.
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