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Somatic Negative Optimist
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How many types/makes of Alternators are there for 911's?
Bosch, Marchal, Valeo, Rhone. (Internal/External Regulator)
Any others? What differences between them? Which one is preferred? Between '74 and '89, which one is most likely found? 
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats.  Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ". 
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04-27-2006, 06:43 AM
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Somatic Negative Optimist
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?
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats. Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ".
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04-29-2006, 05:39 AM
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Registered
Join Date: Nov 2005
Location: Denver, Colorado
Posts: 358
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Good question. I will be looking for an alternator for my 82 soon myself.
What are the differences? Enlighten us oh great ones............
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1982 911 SC - Grand Prix White Coupe / SOLD |
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04-29-2006, 06:38 AM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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The best of the lot was 1975 - 81 Motorola/SEV Marchal 980 Watt, externally regulated. 1974 and earlier engines require fan housing to be machined 9.3 mm deeper, or a 1975 or later fan housing.
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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04-29-2006, 06:56 AM
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RETIRED
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Best to have your old one re-done by the local shop. Insist on marginal parts be replaced.....the labor to pull it out again is WAY more than the price of the parts....
Buying a reman can be a crap shoot as they only replace stuff that is broken.....I once opened up a reman and found parts in there that I would have thrown away.
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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04-29-2006, 07:35 AM
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Somatic Negative Optimist
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Warren: I don't know what alternator is in my '80 engine but, the '82 I am working on has a VALEO 14V - 75A. (France)
It worked fine, bearings feel good, brushes are good and I'll be putting it back in once I finish the SS 3.2 conversion. I was just wondering how many types/makes of alternators one would find in these engines. Fortunately, they are easy to get at. Where does VALEO fit in? Any connection to Marchal?
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats. Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ".
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04-30-2006, 07:15 AM
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Registered
Join Date: Nov 2004
Location: Greater Metropolitan Nimrod, Oregun
Posts: 10,040
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How good are the ones used on 1986 engines?
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off |
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04-30-2006, 10:15 AM
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Join Date: Jan 2004
Location: Docking Bay 94
Posts: 7,015
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Gunter,
My '80 has a Bosch AL400X, 75 amp. I don't know if it is original, the PO had it rebuilt (I don't think it is a reman..?). Bosch Alternators have a pretty good reputation so I'll get this one rebuilt whenever the time comes.
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Kurt |
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04-30-2006, 12:49 PM
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ME 262 (SOLD)
Colibri
Gas Mizer
Mileage King
Dog Bus
Da cab
