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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Alternator identification 2.7
I have this alternator, it has no part numbers or name anywhere. It is a deep mount and has fine threads on the pulley end shaft. It came with a 2.7 core and IIRC it was a '76.
Just wondering what regulator this needs to work, how many amps is it and if this is a good unit. I can get it rebuilt if needed. I had the brush holder off, the brushes look good and it spins smooth. Still couldn't see any ID markings... I also have a '69 housing with a bosch 50amp and a regulator, if this is a better choice. (But I'd still want to know the scoop on this one)  
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. Last edited by Mark Henry; 03-04-2014 at 07:19 AM.. Reason: 'mo info |
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03-04-2014, 06:29 AM
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76 911S Targa
Join Date: Oct 2010
Location: Idaho
Posts: 1,150
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76 came with Marichal alternator, made in France. It should be stamped on the housing. The voltage regulator was also Marichal, springs and electromagnets inside, replaceable by a solid state VR from our host. I replaced mine with a Huco, made in Germany.
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76 911S, 2.7, Bursch Thermal Reactor Replacements, Smog Pump Removed, Magnecors, Silicone Valve Cover Gaskets, 11 Blade Fan, Carrera Oil Cooler, Turbo Tie Rods. |
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03-04-2014, 07:53 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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There is absolutely nothing stamped on the housing...where should this be stamped?
I'm totally guessing at the year because of the 911 it came off of and the whole 2.7 core it came with. BTW I'm not a newbie at this game, I don't see a logo, I've even had the brush holder off looking for part numbers, etc.... 
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-04-2014, 08:42 AM
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Vintage Owner
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My 75 also came with a Marchal. I think that's most likely what yours is as well.
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84 Targa (sold) 70 914-6 (sold) 73 914-6 2.7 conversion (sold) 75 GMC Motorhome (sold) 2016 Cayenne |
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03-04-2014, 09:45 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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That's what I'm thinking as well
This pic shows my bosch unit on the left and it clearly has the part # and name cast into it. On the right is the alternator in question (BTW I do have two complete fan assemblies, 2 fans, one deep and one shallow housing) 
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. Last edited by Mark Henry; 03-04-2014 at 10:53 AM.. |
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03-04-2014, 10:49 AM
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Registered
Join Date: Mar 2011
Location: South Carolina
Posts: 140
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I vote for a 70 Amp SEV Marchal
check out the bearing end cap in the link below DIY Alternator bearing replacement |
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03-04-2014, 11:39 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
So it is 70amp  Now I'll need a regulator, what's best? An external or can I get an internal reg?
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-04-2014, 11:51 AM
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1970 Porsche 914-6 (sold)
1973 porsche 914-6 conversion (sold)
1984 Porsche 911 Carrera Targa - sold
GMC Motorhome
