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GM B-Body Forum, 77-79 Caprice/Impala Forum

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    Alternator interchangability

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    383Falcon
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    Alternator interchangability

    Post  383Falcon on Wed Nov 12, 2014 1:57 pm

    Hi everyone, I was just curious if the 4 pin alternator out of a 93 caprice sedan would fit the mounting bracket for a 4 pin on a 1990 sedan? Thanks, I'm looking to switch out the connection types for the battery wire. As is, I had to cut off a portion of the stud in the back to get it to fit and I thnk that the close proximity to my valve covers killed the last one.. Thanks!


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    1990 Chevy Caprice Classic 383 Stroker, 750cfm, Chevy bowtie dual plane intake, Hedman 3" headers Flowmaster true duels, HDMI, built 700R4 2200 stall
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    Re: Alternator interchangability

    Post  GM B-Body Forum on Thu Nov 13, 2014 7:16 pm

    Maybe and maybe not, the bolt hole locations are a tad different, but thats just from looking at pics. Looks like they are all 100 amps and above which is good if youve got some electronics.


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    1979 Caprice Sport Coupe, 400hp Vortec 350, Th350, GM 8.5 w/disc brakes, 3.90 gears Detroit Truetrac, 2.5" stainless duals w/ x-pipe, Dynomax race bullets.
    1984 Caprice Sedan, 305 motor, 700r4
    1978 Caprice Sedan, 305 motor, th350
    1993 L99 Caprice, 4.3 v8, 4l60 trans
    1972 Ford F-100, 302 windsor, c4 trans
    2001 BMW E46 330i, 3.0L
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    383Falcon
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    Re: Alternator interchangability

    Post  383Falcon on Fri Nov 14, 2014 2:26 pm

    Nice thanks! I found this cheap Chinese knock off 120amp that says it fits these various vehicles, the add is very explicit about fitmit gaurantee. Lol I just need a cheap 4pin until I change my mounting brackets and completely ex-out the old EGR and AC pullys. Also, from what I found, 90's box interchange with up to 93 B bodies. :]

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    _________________
    1990 Chevy Caprice Classic 383 Stroker, 750cfm, Chevy bowtie dual plane intake, Hedman 3" headers Flowmaster true duels, HDMI, built 700R4 2200 stall

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