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  1. W

    Info on 48-73982 A4 21P

    Can anyone give me info on this prop Info on 48-73982 A4 21P I just bought this prop used no name on it, 3 blade brushed stainless for my alpha drive 21 pitch, wondering the manufac and the quality of the prop, Thanks for your knoweledge.
  2. W

    Will a 175hp mercruiser prop fit on a alpha 1

    Looking at a used stainless prop from a 175 merc will this fit on a late 80's alpha 1 the size is the same. Thanks
  3. W

    Carb, question which will work better

    Hi, I have a 1984 Sunbird 20 foot fiberglass, open bow pretty deep v, I built a 400 sbc with a mild comp marine cam, open exhaust, vortec heads, right now I have the factory 5.7 260 hp quadajet carb 600, I can only get 4600 rpms at 52 mph with a alum 13.75x21 pitch prop, Do do you think a 750...
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