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UNDER CONSTRUCTION!
Join Date: Jul 2008
Location: ALASKA
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what year 915 is this and anyway to figure gear ratio?
here is the number wondering what it maybe im needing one and this is one i found.
"915.301.102.3P" 915.301.101.7R these are the two numbers on the case
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10-11-2008, 05:20 PM
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Registered
Join Date: Jan 2004
Location: Pittsford, NY
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I'd say those are casting numbers for the case. The type number is stamped on the very bottom and will be something like 915/06 (ie: the /06 is for a 1974 911). That type number will be a start to re-ask your question so you can get the stock gear ratio's for the box you have.
edit: check this thread for the photo and additional info on limited slip number (12). Option code for LSD in a 915?
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Tony G 2000 Boxster S Last edited by tonythetarga; 10-11-2008 at 05:59 PM.. |
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10-11-2008, 05:51 PM
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UNDER CONSTRUCTION!
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thanks im looking at a tranny on e-bay and this is the only numbers i have so far thanks for your help ill get back to this post when seller gets back to me with the numbers
thanks ed 916/02 
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Last edited by carrera turbo; 10-14-2008 at 10:55 AM.. Reason: another tranny |
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10-11-2008, 06:05 PM
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bump for new number 916/02
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Last edited by carrera turbo; 10-14-2008 at 10:55 AM.. Reason: wrong number |
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10-14-2008, 10:54 AM
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pics
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10-14-2008, 10:57 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
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That's 915/02
1st gear = 11:35 = 3.182 2nd gear = 18:33 = 1.833 3rd gear = 23:29 = 1.261 4th gear = 26:25 = 0.962 5th gear = 29:22 = 0.759 the other available ratios were 4th gear = 27:25 = 0.926 5th gear = 29:21 = 0.724
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Kevin L '86 Carrera "Larry" |
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10-14-2008, 11:52 AM
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AutoBahned
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do a search for things to avoid re 915 trans. models
there is a huge thread on it |
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10-14-2008, 12:51 PM
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My eye says that is a 916/02.
If so, that is a VERY RARE and valuable transmission for the 1972 Porsche 916 - the 2.4 MFI 914-6 with a 915 adapted for mid-engine configuration. Are there any other pictures? Best, Grady
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10-14-2008, 07:44 PM
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Schleprock
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I even went to the trouble of flipping that picture over and still think it's possible that the third digit is a 5. It's so marred, it's hard to tell. The guy says it's on ebay, so a link would help a ton!
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Kevin L '86 Carrera "Larry" |
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10-15-2008, 09:15 AM
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Schleprock
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Kevin L '86 Carrera "Larry" |
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10-15-2008, 09:17 AM
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Quote:
this is a tranny i was thinking of buying for a race project i have and my low H.P. of my 3.0 might enjoy these low ratios. did a search on here and would do some improvemnts if i go this route. thanks ed
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10-15-2008, 10:08 AM
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