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11-19-2016, 04:55 PM | #1 |
70+ ( Old Skool Club )
Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,073
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PowerMaster Alternator Question
I want to replace/upgrade my alternator and poking around came across the "PowerMaster GM Original Look" Part # 47127 10si 100 amp Alternator. They also have a 85 amp one but for the 15.00 difference in price ( on Summit Racing ) I thought might as well have the 100 amp. Anyone using one of these and if so how it is working and how was the install ? Did you stay with externally regulated 3 wire or go to internally regulated 1 wire system.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
11-20-2016, 01:04 AM | #2 |
Senior Member
Join Date: Oct 2014
Location: Eagle, ID
Posts: 2,933
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Re: PowerMaster Alternator Question
I have one, and it's the 100amp jobby. It works well and I have a three wire hookup. It was a simple bolt in.
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11-20-2016, 01:09 AM | #3 |
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Re: PowerMaster Alternator Question
Thanks for the info. How long have you had it?
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
11-20-2016, 01:12 AM | #4 |
Senior Member
Join Date: Oct 2014
Location: Eagle, ID
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Re: PowerMaster Alternator Question
Just a couple of months.
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02-21-2017, 04:17 PM | #5 | |
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Join Date: Apr 2007
Location: pasadena,TEXAS
Posts: 880
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Re: PowerMaster Alternator Question
Quote:
Thanks Keith
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1971 Cheyenne SWB 402BB, 700R4, 3.73 posi, PS, PB, A/C, Tilt, Tach "Wanda" Don't argue with idiots, People watching may not be able to tell the difference... There's someone in my head........But it's not me...... cheap tricks thread great info here!! http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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02-21-2017, 06:11 PM | #6 | |
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Join Date: Nov 2003
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Re: PowerMaster Alternator Question
Quote:
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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02-21-2017, 06:21 PM | #7 |
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Join Date: Apr 2007
Location: pasadena,TEXAS
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Re: PowerMaster Alternator Question
were they able to increase the amp outpur anf did you use your original regulator. I was just out checking mine. at the battery with the motor running and nothin on it was showing 14.79, turned on the head lights and it went down into the 13's, then I turned on the ac with the electric fans and it went down to 11.75. the battery has been staying charged but I haven't been driving it long distances with everything on
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1971 Cheyenne SWB 402BB, 700R4, 3.73 posi, PS, PB, A/C, Tilt, Tach "Wanda" Don't argue with idiots, People watching may not be able to tell the difference... There's someone in my head........But it's not me...... cheap tricks thread great info here!! http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
02-21-2017, 06:51 PM | #8 | |
70+ ( Old Skool Club )
Join Date: Nov 2003
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Re: PowerMaster Alternator Question
Quote:
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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02-21-2017, 07:25 PM | #9 |
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Join Date: Jun 2011
Location: Des Moines, IA.
Posts: 4,143
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Re: PowerMaster Alternator Question
The OEM charging system routing is pathetic at best. Reproduction engine harnesses aren't much better since they mimic the GM design too. You should really upgrade the entire charging system to at least 1990's standard....internally regulated CS series and a single common 12V junction for all accessories...and running a heavier gauge supply lead for the interior would help a lot as well.
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02-21-2017, 08:50 PM | #10 | |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
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Re: PowerMaster Alternator Question
Quote:
There's a limit on what can be done with the original alternator as far as upgrades. If you add more field windings for more amps you are reducing air flow for cooling so the alternator will run hotter and fail sooner. If someone told me that the external regulators were good forever I'd question their sanity. we have 100s of threads on the forum about the conversions and how to do them. Just type "alternator conversion in the rectangular box by your PM messages and tick the circle by 67 to 72 chevy trucks and then click google. Then read away.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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