 901 Gear Identification "R" 4th?, Aftermarket or Original? |
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| Amenson |
 Sep 1 2014, 06:55 AM
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#1
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That's opposite lock!!  Group: Members Posts: 645 Joined: 27-May 05 From: Dublin, OH Member No.: 4,154 Region Association: None 
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I picked up a couple transmissions to gather parts for a new tranny for the PorSTI. Both boxes were ex amateur racing boxes with a somewhat bizarre mix of ratios. One of them seems to be somewhat unique.
 From what I can find from some initial research the R 4th was put in a few different transmissions with a Nurburgring ratio option. What I need to figure out is if this is some uber rare original gear or an after-market reproduction.  I would like to get some idea of a fair sale price for it so that I can offset some of the trans rebuild costs. Any help would be greatly appreciated. Cheers, Scott |
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| brant |
Sep 1 2014, 08:18 AM
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#2
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914 Wizard Group: Members Posts: 11,607 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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Count the teeth
The stamping aren't a good way to identify |
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| Amenson |
Sep 1 2014, 08:27 AM
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#3
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That's opposite lock!! Group: Members Posts: 645 Joined: 27-May 05 From: Dublin, OH Member No.: 4,154 Region Association: None
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QUOTE(brant @ Sep 1 2014, 06:18 AM)  Count the teeth The stamping aren't a good way to identify Should have put that....25/27. When I first counted I assumed that it was a flipped V. Then I saw the stamping and thought about it a bit until I resized that V can not be flipped to 4th (IMG:style_emoticons/default/screwy.gif) |
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| crresind |
Sep 1 2014, 08:37 AM
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#4
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Newbie Group: Members Posts: 13 Joined: 8-June 04 From: Oceanside, California Member No.: 2,175 Region Association: Southern California |
That is an original gear. The tip-off is the date stamp, 2.68. These are very rare gears. I have not priced these in several years, but they were going for in excess of $700.
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| 0396 |
Sep 1 2014, 10:15 AM
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#5
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Advanced Member Group: Members Posts: 2,046 Joined: 13-October 03 From: L.A. Calif Member No.: 1,245 Region Association: Southern California |
To my knowledge factory gears do not have holes drilled into them. The only company that I know that did that was Power House in Az years back. I would consider that an after market gear.
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