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I have a PowerMaster Alt. on my 1970 351W. It appears to have Quit. Is there an Alt. at NAPA that I can replace it with. I need about 100 amps. and would hate to have go back to the old voltage regulator. So I would like to stay with the one wire type.
 

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I did a search and found this post, and reading that, it sounds like the Powermaster can be directly replaced with a Delco, which should be available at NAPA.
HTH
--Kyle
 

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Before you buy a new alternator, try checking with a motor/alternator rewind shop. My 100A Powermaster would quit after it got hot and for $30 they replaced the internal regulator. Good as new.
 

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67 coupe, 69 Sportsroof, 86 hatchback
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If you're interested in sticking with Ford parts, you can use an unmodified 130 amp 3G replacement alternator from a 96 V6 Mustang. Here's one how to: 3G
Only slightly more work than what you've already done to use a Chevy alternator.
 
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