1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Will an '83 12A work in a '79?

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Old May 12, 2011 | 07:10 PM
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Will an '83 12A work in a '79?

I'm trying to restore a 1979 Limited. However, the engine is giving me nothing but problems. I have an '83 parts car with a motor that run wonderfully. Will the motor from the '83 drop into my '79? I know they have different carbs and alternators, but I didn't know if they were interchangeable. Thanks!
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Old May 12, 2011 | 08:57 PM
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Yes. Connections to the distributor may be different, but IIRC everything will bolt up fine. 79 rear irons do not have the oil pressure sender, while the 83 will. I can't remember if there is any issues with thermal reactors and exhaust passages in the irons. Everything major, ie mounts and spacing will be the same.
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Old May 12, 2011 | 10:01 PM
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Originally Posted by Sgt Fox
Yes. Connections to the distributor may be different, but IIRC everything will bolt up fine. 79 rear irons do not have the oil pressure sender, while the 83 will. I can't remember if there is any issues with thermal reactors and exhaust passages in the irons. Everything major, ie mounts and spacing will be the same.
This is the best news that I've heard all day! Thank you very much!
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