 915 Transaxle: Taller 5th gear for a 7:31 box |
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| pcar916 |
 May 31 2018, 05:18 PM
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#1
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Is that a Lola?  Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None 
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Ok Folks,
I'm building a 915 for a stock 3L SC. It's a 7:31 R&P and on the highway it's a screamer. I'm thinking perhaps a TL or TM 5th gear. Anybody got either of those pairs in good condition of those of you running 915's... inverted or otherwise? Shiny side up! Ron |
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Replies(1 - 8)
| andrew15 |
Jun 3 2018, 10:12 AM
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#2
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Newbie Group: Members Posts: 40 Joined: 10-April 10 From: Thunder Bay, ON Member No.: 11,594 Region Association: None |
I have a TM 915 gear available - sort of.
Unfortunately, it came with a bunch of other gears and parts and looks like it came from a trashed gearbox - The gear looks to have gotten hot - the needle bearing / carrier looks to have failed and woiuld need to be pressed out. I'll get a few pics up later today - if it looks like it would work for you, I'd be looking at $50 given its condition. Thanks Andrew M |
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| pcar916 |
Jun 7 2018, 01:19 PM
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#3
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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Thanks Andrew, I'll consider it. If you post those pics I'll take a look!
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| sithot |
Jun 26 2018, 05:31 AM
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#4
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Member Group: Members Posts: 446 Joined: 25-October 06 From: Virginia Member No.: 7,090 Region Association: None
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| pcar916 |
Jun 28 2018, 07:14 PM
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#5
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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QUOTE(sithot @ Jun 26 2018, 06:31 AM)  Thanks! I've talked to Matt a bunch of times over the years and got my 914/LSD from him years ago. They make good stuff. I talked to him recently in fact to get an LSD for my Cayman transaxle only to find out that he only makes TBD's for them any more. He can get those high 915 gears but I'm trying to get them for a lot less than the astronomical prices they fetch these days... dang it! |
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| naro914 |
Jul 11 2018, 11:12 AM
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#6
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Losing my mind... Group: Members Posts: 2,476 Joined: 26-May 06 From: Charlotte, NC Member No.: 6,073 Region Association: South East States |
I will most likely have a bunch of stock gears available but not until next year. Dawe's Motorsports will regearing our 915 over the winter. Was supposed to happen last year, but some things came up.
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| Justinp71 |
Jul 13 2018, 02:32 PM
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#7
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Senior Member Group: Members Posts: 1,583 Joined: 11-October 04 From: Sacramento, CA Member No.: 2,922 Region Association: None
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I'm in the same boat. Have you thought about running a 8.31 R&P? This would also make 1st gear more usable too.
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| pcar916 |
Jul 21 2018, 06:48 AM
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#8
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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QUOTE(Justinp71 @ Jul 13 2018, 03:32 PM) I'm in the same boat. Have you thought about running a 8.31 R&P? This would also make 1st gear more usable too. That would do it for sure but this is a friend's transaxle. He likes the low-end torque.. a lot and simply wants a highway gear, thanks. |
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| pcar916 |
Jul 21 2018, 07:37 AM
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#9
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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QUOTE(naro914 @ Jul 11 2018, 12:12 PM) I will most likely have a bunch of stock gears available but not until next year. Dawe's Motorsports will regearing our 915 over the winter. Was supposed to happen last year, but some things came up. Thanks, so far I've found a couple of suppliers but costs are in the $800 range. My two mag-case gearsets are both a little lower than the one I'm trying to replace now. So even using my own won't work. BTW, I haven't welded your excellent engine mount into Penelope yet but won't until I finish this 911 build. It'll be later this year and I'll send pics. |
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