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Difference Between 915 Clutch and 70-71 Clutch
What are the differences between a 70-71 clutch and a 915 clutch? They are both 225 mm pull type clutches. According to Wayne's book, the spring pressures are also higher on the 915's clutch. Looking at pictures and comparing them to the 2.2 I just took apart, it looks like the starter ring gear is attached to the clutch assembly on the 70-71's and to the flywheel on the 915's. Is this correct? Are there any other differences?
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John '69 911E "It's a poor craftsman who blames their tools" -- Unknown "Any suspension -- no matter how poorly designed -- can be made to work reasonably well if you just stop it from moving." -- Colin Chapman |
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10-26-2003, 03:15 PM
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PRO Motorsports
Join Date: Nov 2001
Location: Burbank, CA
Posts: 4,580
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No, they both use the same flywheel. The ring gear is held onto the pressure plate by the pressure plate bolts. They go through the ring gear and into the flywheel.
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'69 911E coupe' RSR clone-in-progress (retired 911-Spec racer) '72 911T Targa MFI 2.4E spec(Formerly "Scruffy") 2004 GT3 |
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10-26-2003, 03:43 PM
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Navin Johnson
Join Date: Mar 2002
Location: Wantagh, NY
Posts: 8,804
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John, I use a 915 pressure plate in both my 914 and my 911, on the 914 I use the centerforce RSR type with a carbon/kevlar disc. (I converted the 914 box to a pull clutch). On my 911 I have a'70 911 pull type box, and have a 915 all alum RSR pp for that.
So if your wondering if you can use a 915 pressure plate on a '70-71 trans, you can!!
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Don't feed the trolls. Don't quote the trolls  http://www.southshoreperformanceny.com '69 911 GT-5 '75 914 GT-3 and others |
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10-26-2003, 03:59 PM
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Thanks Tim and Tyson.
So you just bolt the ring gear to the 915 pressure plate? No other problems with the starter?
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John '69 911E "It's a poor craftsman who blames their tools" -- Unknown "Any suspension -- no matter how poorly designed -- can be made to work reasonably well if you just stop it from moving." -- Colin Chapman |
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10-27-2003, 02:17 AM
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1969 Porsche 911E 2.0 E
