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Anyone try Powermaster 140amp alternators?

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Old 01-08-2003, 10:28 AM
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Car: 2004 GTO
Engine: LS1
Transmission: T-56
Anyone try Powermaster 140amp alternators?

Time for a new one after my Trak Auto rebuild died and they went out of business, so no more free replacements.

I found the Powermaster 140amp from Summit. Since I have a high power stereo that eats quite a few amps, I decided the 140 will drain less than the stock 105amp. I figure I can use the 140amp with no modifications to the electrical system.

Anybody use these alternators and are they any good?

Thanks!
Old 01-08-2003, 10:48 AM
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Car: 91 RS
Engine: 350tpi comming soon!
Transmission: fixed the 700r4 again!
I looking at getting one. i did a search and didnt find anything either way.

**you might want to upgrade the wie that runs form the altinator to the battery as well. It will help you too..
Old 01-08-2003, 12:09 PM
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https://www.thirdgen.org/techbb2/sho...master+140+amp

https://www.thirdgen.org/techbb2/sho...master+140+amp

https://www.thirdgen.org/techbb2/sho...master+140+amp

https://www.thirdgen.org/techbb2/sho...master+140+amp
Old 01-10-2003, 12:59 AM
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Car: 1991 Camaro RS
Engine: GMPP 350 HO w/TBI
Transmission: 700R-4
Axle/Gears: 10-bolt w/3.73s
i have one...it works great.

i dont have a system or anything in my car, but i definitely wouldnt be worrying if i did.

-b
Old 01-11-2003, 12:34 PM
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Car: 88 IROC
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I have had several and I think they are ****ty. I keep frying them with my stereo and then went back to a stock one and don't have any problem's anymore.
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