Question about 67-69 Pontiac 400 - Pontiac Forum - Pontiac Discussion Forums

1st Generation 1967-1969 This section is for info pertaining to 1967 to 1969 Firebirds.

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Old 11-18-2007, 04:32 AM
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Default Question about 67-69 Pontiac 400

I'm looking to buy a new engine for my 79 Firebird, I was just wondering if a 67-69 Pontiac 400 would just bolt up. Currently the car has a Pontiac 350 from a 75 Firebird in it, with a TH350 tranny.
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Old 02-21-2008, 09:10 PM
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Default RE: Question about 67-69 Pontiac 400

nope, you will have to change the motor mounts, unless the new block is drilled for both type mounts. the older ones have the rubber mounts on the motor the newer the rubber is on the frame
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Old 03-11-2008, 05:46 PM
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Default RE: Question about 67-69 Pontiac 400

It will bolt right in. Its a given the mounts need to be changed.

Good luck!
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19661973, 400, 6769pontiac, bonneville, engine, frame, fullsize, mounts, pontiac

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