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Thread: 300 alternator help

  1. #1
    Join Date
    Apr 2017
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    Colorado S
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    300 alternator help

    Hello,

    I a a newbie to the site and just purchased a 64 Skylark with the 300 and 4bbl. The car funds great and am just trying to cleanup some areas in the engine bay. I have purchased a new radiator, hoses, fan, wiring, etc. The guy I bought it from stated that it was an ac car but can clearly tell that the alt bracket is not correct. Does anyone have a picture of a non ac alternator setup or better yet one for sale no matter the condition?

    Thanks,

    Chris

  2. #2
    the closest thing we've got for a chassis manual will be the 1966. this has the 300ci, but it's going to be the all cast iron version. you should have aluminum heads and intake, which is for 1964 only.

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  3. #3
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    Thanks Bob. I appreciate the link. I do have the aluminum heads and intake. I will be looking for another alternator as well to ensure it is not an incorrect model.

    Appreciate the response.

  4. #4
    Join Date
    Sep 1999
    Location
    Dbl Oak,TX
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    745
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    Bracket, support, Delcotron mounting 1380288

    The bracket for non-A/C cars is a part no 1380288. It was widely used on non-A/C Buick V8s and V6s from '64 to '74.

    The exceptions are:
    Nailhead V8s
    High output alternators
    Police car applications

    Attached is a photo from the '64 shop manual showing the bracket. More pictures can be found on the web by Googling "Buick 1380288" and "GM 1380288"

    This part was superceded in 7/75 by a 1250786. That one continued on for several more years on Buick-designed engines in multiple GM divisions.

    A place called The Parts Place in DeKalb, IL appears to have reproduction brackets available. Looks like used examples appear on eBay as well.
    Attached Images Attached Images
    What has been, can be again. (Bob Wills, 1942)

  5. #5
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    Thanks

    Todd,

    Thanks for the info. You are a lifesaver! I now know that the bracket being used now is a homemade mount.

    Chris

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