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Registered
Join Date: Aug 2016
Location: CT
Posts: 976
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Alternator rebuild shop recommendations or purchase rebuild
Hey everyone.
I have a 1971 with a 1975 2.7 CIS engine.. I am working on the wiring harness and a few other problems but was wondering if anyone had a shop recommendation to rebuild my 71 alternator or should I just purchase a 75 or later alternator? There was also talk to upgrade to an external voltage regulator. What are the benefits? Thanks in advance.
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1979 930 |
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05-20-2018, 07:37 PM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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The older alternators tend to be longer lived than the newer ones. That might be because newer cars have a higher electrical demand. At any rate getting the '71 rebuilt is a good option. Unless you have air conditioning, then an upgrade may be in order.
All of the cars up to the Carreras had external regulators. You can get solid state replacements which is probably the way to go.
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage |
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05-20-2018, 08:56 PM
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Registered
Join Date: Aug 2016
Location: CT
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Great. I googled an alternator shop specializing in Porsche and could not find one. Does anyone have a recommended shop?
Also is this the solid state VR mentioned above? https://www.pelicanparts.com/catalog/SuperCat/5867/POR_5867_ELCHRG_pg1.htm#item3
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1979 930 |
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05-21-2018, 04:02 AM
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Join Date: Jan 2009
Location: Marietta, Ga (Atlanta)
Posts: 2,970
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Quote:
rebuild your alternator. I've had Porsche alternators rebuilt by several good shops. Rebuilt/reconditioned alternators in the market place are at best a crapshoot, there are many POOR commercial rebuilders out there, including Bosch! A lot of them just replace a few components to save money, not a complete remanufacture like a good local shop will usually do, plus if you have a problem you can address it locally. Best to rebuild your known good core. Just my experience.
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'80SC Widebody 3.6 transplant Anthracite "The Rocket" Long gone but still miss them all: '77 911 Targa, '72 BMW 3.0CS Coupe(finest car I ever had!) '71 911T Coupe White, '70 911T Coupe Blue '68 911 Coupe Orange, '68 911L Soft Window Targa Last edited by uwanna; 05-21-2018 at 07:32 AM.. |
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05-21-2018, 07:26 AM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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Quote:
As mentioned any shop that can rebuild an alternator can do the 911s. The Motorolas found in the old 911s were quite common at the time and various versions were used in many cars. Some of us have rebuilt our own, BTW.
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage |
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05-21-2018, 07:51 AM
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My Garage
1971 Porsche 911
Baja Bug
