If its a stator problem, you can just replace the stator. You could take the alt. down to the local alt/starter shop and have them check it out, they should be able to check the stator.
You should also be able to test the stator with a multimeter. Check for any resistance between stator and ground (should be open/infinite resistance). I think each stator winding should be open/infinite resistance in relation to the adjacent ones (they will need to be disconnected for this test).
Thats about my limit, its been years since ive had an alternator apart and done any testing so i am going by memory.
George should be able to add to this and correct anything i have goofed.
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Derek B.
Current best: 11.97@110 1.65-60' !!!
'74 ventura,  (Fired july 14/06) '74 462 4-bolt (9.5-1), SCAT, Ross, T-II w/850DP (shaker455), TH350, Conti 10'' 3800, Supercomps, Magnaflow, 3'' Pypes, 3.73's, 28x13.5-15 ET streets.
1970 Beismeyer 17' flatbottom vdrive, 11.8:1 455P, ported heads, dual Qjet tunnel ram.
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