Generator to Alternator for 56 f350

Discussion in '1957 - 1960 Ford F100, F250 and F350 Truck Forum' started by perik56, Jan 8, 2023.

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  1. perik56

    I've been pulling my hair out trying to figure out which Powergen alternator will fit my 272 y block. They list
    one that has the terminal for the BAT light (Part #82101-2) and comes it with a 3/8" pulley but I need a 1/2". Then they have one that is listed for the T-Bird (part #82155-2) that looks identical and has a 1/2" pulley but the dimensions are slightly smaller by about a 1/4" but it doesn't show where that 1/4" is missing so I don't know if I'll have belt alignment issues. I've contacted tech help at Powermaster and they gave me a vague answer that didn't help. I could get the 82101-2 and change the pulley or buy the 82155-2, I just need to know which one will drop in with no trouble, has anyone done this and know for sure which one fits?

    Thanks, Erik
     
    perik56, Jan 8, 2023
    #1
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  2. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Worst case, could you swap the pulley yourself, or just use a slightly larger belt?

    Or if you go with 3/18 its only about a 12% difference, and the alternator only going to draw when it needs it. So if it only idled and never saw the road, it's only about 12% longer full charge time.
     
    FTZ HAIC, Jan 15, 2023
    #2
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