Ryan,
Thanks for the informative post.
Yes, give us the parts brand equalents. Not everyone in the parts biz is
as good as you!
With thanks,
Atwell Haines
'79 Spit with Lucas alternator.
At 01:09 PM 10/31/98 PST, Ryan Smith wrote:
>Ok guys here's the deal on Delco replacement alternators. Barry
>wondered yesterday if there was a direct bolt on replacement in part
>stores computers. Well I can't swear to all part stores but NAPA does
>not list a GM style alternator for triumphs. (I looked up several years
>of spits and TR-6's) However I did happen upon a footnote for a voltage
>regulator for a car with a Delco alternator. I'm assuming that
>somewhere along the line Triumph used a few delco alternators (low amp
>37A or so) along with the Lucas units.
>
>Now on to the 7127 model that dan suggested. I interchanged this and it
>came up to 2 "families" of GM alternators. The 2 families basically had
>the same housing but one was rated at 42A and the other 63A. This leads
>me to believe that #7127 is housing style not a specific alternator.
>Within the 42A and 63A families my dad stocked 6 different alternators
>that all interchanged to the 7127. The different alternators were very
>similar but the connections were rotated, what in the industry is
>referred to as clock position.
>
>Ok so what do you guys ask for if you want to buy one of these things.
>Like Barry said, if you're in a store with real books and ppl who know
>how to use them just asking for a GM 63A alternator should get you the
>right one (with various clock positions). I searched the books through
>the Chevy line and that alternator was used for nearly 30 years in
>almost every Chevy car. There is the possibility of getting a double
>pulley version but the books should point this out. The NAPA number is
>13-4011 (with A & B variants for clock position) for a 63A alternator.
>The 42A family is 13-4010 (A & B).
>
>Whew (getting long winded here)...
>Hope this helps. And if anyone would like that number interchanged to
>practically any part store or brand just let me know.
>
>Ryan Smith
>72 Emerald Green Spit
>VT 27 WVU 13
>
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