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Old 06-03-2004, 01:24 PM   #1
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Join Date: Jan 2000
Location: North Dakota
Posts: 351
Who makes a decent 100 amp internally regulated alternator???

My new 72 4x4 still has the old style externally regulated alternator and I would like to convert it. I've read about this MAD kit and it looks like everything I would need: I would like to get a 100 amp and want a decent one that will last. I've not had good luck with Napa alternators so I think I will stay away from them. What brands do you recommend?
1972 K-10 Longbox,6" lift w/35's/350/SM465/NP205/3.73
1972 C-10 Longbox,350/350
1998 Pontiac Grand Prix GTP
FOR SALE: 1971 K-10 Longbox,350/SM465/NP205
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Old 06-03-2004, 02:09 PM   #2
blood type; Retumbo
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Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,031
treat Westling brand like a venerial disease. if you get a Delco, get 2. one is bound to be bad. when I worked in Ill. we used Orange County with not a single failure in 2.5 years I was there.
how about getting one from bone-yard & having it redone by local rebuilder? they seem to do a better job.
Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card
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Old 06-03-2004, 02:24 PM   #3
Fred T
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Location: Bel Aire, KS
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Try these guys. I bought a mini starter from them, they treated me right.

There is no such thing as too much cam...just not enough engine.
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Old 06-03-2004, 02:47 PM   #4
Maximum Overdrive
December 21, 2012
Join Date: Apr 2000
Location: Black Eagle, Montana
Posts: 1,634
Good Luck.

I recently had to get a new alternator for the S-10. (105 amps). Anyway after 2 brand new ones out of the box that were junk I finally got a good one on the third try. All of them were Autolite brand.
"!Ama Sua, Ama Kjella, Ama Lllulla!"
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Old 06-03-2004, 03:26 PM   #5
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Join Date: Jul 2001
Location: Torrance,Ca
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Originally Posted by Fred T
Try these guys. I bought a mini starter from them, they treated me right.
Got mine from here also . No problems
Torrance Calif 90504
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72 3/4ton Custom Camper BB402/400 trans Dynomax Cerama-coat headers , Hei distributor ,Edelbrock 1411 air,ps,pb,leafsprings ,98 chevy 60/40 seat,S10 shoulder belts
tilt,3.54 Dana 60 rear. 16" Eagle wheels with LT265/75 16 tires,Gaylord Lid,H4 headlights with 100W relay conversion.

" If I knew I was going to live this long I would have taken better care of myself "
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