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Registered
Join Date: Apr 2005
Posts: 76
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Why does not fit - 915 gearbox to 3.2 engine?
Hi,
I need help. My mechanics say that my 915 gearbox from 1975 does not fit to recently bought 3.2 US engine from 1984. Is it possible? If so are there any technical possibilities to match them? What type of gearbox should I have for that engine? Marcin
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1976 3.0 Carrera sold  1975 2.7 backdated to 73' RS 1971 2.2 T Targa |
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10-08-2007, 11:23 PM
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Registered
Join Date: Nov 2001
Location: Denver
Posts: 9,731
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It just needs the notch cut out for the flywheel sensor. You can probably do a search her to find out where and how.
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10-09-2007, 02:58 AM
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Administrator
Join Date: Feb 2000
Location: Los Angeles
Posts: 13,333
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You also need to address the mechanical/electronic speedo issue, but it's pretty minor.
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Jack Olsen 1972 911 My new video about my garage. • A video from German TV about my 911 |
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10-09-2007, 09:14 AM
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Registered
Join Date: Jan 2005
Location: KENDAL,CUMBRIA, UK
Posts: 1,580
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HI you will need the cutouts as the photo's below
  regards mike
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Regards mike 1983 911 SC sport, 1982 mini city |
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10-09-2007, 09:44 AM
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Registered
Join Date: Oct 2005
Location: Idaho
Posts: 2,356
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I have a question regarding the required cutout - how barbaric can one be in creating this? Do you need to send the trans. to a capable machine shop (assuming this is the best), could you just hack away yourself? Is it OK to machine/cut an older trans. case in the first place?
Thanks a lot, Tom
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'74 911 Red Sunroof Coupe, 3.6L, etc... '76 912 Yellow SPEC 911/911CUP |
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10-09-2007, 09:56 AM
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GFCC
Join Date: Apr 2002
Location: Phoenix, AZ
Posts: 1,785
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You can just cut it with a saw.
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Jeff 1976 911 Coupe w/ Euro 3.0 - Sold 1987 Carrera Coupe - Sold 1999 Carrera Cabriolet - Current |
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10-09-2007, 11:18 AM
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Driveline support
Join Date: Jul 2007
Location: Boulder, CO.
Posts: 15
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Or send it to someone who will place it on the milling machine and make a clean cut of it.
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10-11-2007, 02:46 PM
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Registered
Join Date: Nov 2006
Location: Conway,AR
Posts: 1,579
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I used an air powered grinder to make the cut-outs in my 72 915 transmission. The mag cased transmissions are easier to grind than the aluminum ones. It has worked just fine. I have the cardboard template somewhere in the shop, but I would be hard pressed to find it right now.
Tom Oxner |
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10-11-2007, 03:04 PM
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