 915 vs 901 vs boxsterS - Opinions needed., pros/cons, difficulty moving to, etc... |
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| naro914 |
 Jan 11 2012, 12:07 PM
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#21
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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'd like some opinions from the general peanut gallery. Is it worth the cost go to a 915 transmission over a 901? What is the benefit, if any? And, what's involved?
How about a Boxster S transmission? I've heard stories that a 915 is a pain to install, and doesn't every really shift well. I can't comment since I've never driven a 915 in a 914. But, with the bigger engine we now have, is it something I should be considering in the future? Being that I can get a complete 901 for cheap, and already own 3.... I know nothing about the Boxster S trans, other than a 6 speed with cable shifting would be very nice. thoughts, comments discussion? thanks |
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| yellowporky |
Jan 14 2012, 11:22 AM
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#22
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Member Group: Members Posts: 427 Joined: 18-October 09 From: Martinez, Ca. Member No.: 10,948 Region Association: Northern California |
There is a member here that has installed a 6speed boxster trans and made some type of provision for the starter that looked like it would need to be done better for longevity. The car was red but I can not remember the name. I looked at the 6 speeds and from what I understood they are the 996 trans flipped.
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| Series9 |
Jan 15 2012, 07:58 PM
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#23
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
QUOTE(Chris Scott @ Jan 14 2012, 12:22 PM)  There is a member here that has installed a 6speed boxster trans and made some type of provision for the starter that looked like it would need to be done better for longevity. The car was red but I can not remember the name. I looked at the 6 speeds and from what I understood they are the 996 trans flipped. I'd like to see that. The starter on the 986/996 is on the engine-side. I think that problem alone makes the mating of that transmission to an air-cooled engine somewhat less than trivial. |
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| BIGKAT_83 |
Jan 20 2012, 06:56 AM
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#24
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Senior Member Group: Members Posts: 1,798 Joined: 25-January 03 From: Way down south Bogart,GA Member No.: 194 Region Association: South East States 
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QUOTE(Series9 @ Jan 15 2012, 08:58 PM) QUOTE(Chris Scott @ Jan 14 2012, 12:22 PM) There is a member here that has installed a 6speed boxster trans and made some type of provision for the starter that looked like it would need to be done better for longevity. The car was red but I can not remember the name. I looked at the 6 speeds and from what I understood they are the 996 trans flipped. I'd like to see that. The starter on the 986/996 is on the engine-side. I think that problem alone makes the mating of that transmission to an air-cooled engine somewhat less than trivial. Here is a pix from a old thread does not show the starter.   Bob |
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| ChrisFoley |
Jan 20 2012, 11:27 AM
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#25
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I am Tangerine Racing Group: Members Posts: 7,934 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None
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QUOTE(BIGKAT_83 @ Jan 20 2012, 07:56 AM) Why would anyone go to all that trouble and then use those POS Weltmeister trans mounts? (IMG:style_emoticons/default/screwy.gif) |
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| rohar |
Jan 20 2012, 12:02 PM
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#26
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Senior Member Group: Members Posts: 924 Joined: 25-October 08 From: spokane Member No.: 9,685 Region Association: None |
QUOTE(Racer Chris @ Jan 20 2012, 09:27 AM) QUOTE(BIGKAT_83 @ Jan 20 2012, 07:56 AM) Why would anyone go to all that trouble and then use those POS Weltmeister trans mounts? (IMG:style_emoticons/default/screwy.gif) I am SO not showing you the pics of my audi conversion (IMG:style_emoticons/default/biggrin.gif) |
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| ChrisFoley |
Jan 21 2012, 07:15 AM
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#27
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I am Tangerine Racing Group: Members Posts: 7,934 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None
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QUOTE(rohar @ Jan 20 2012, 01:02 PM) QUOTE(Racer Chris @ Jan 20 2012, 09:27 AM) QUOTE(BIGKAT_83 @ Jan 20 2012, 07:56 AM) Why would anyone go to all that trouble and then use those POS Weltmeister trans mounts? (IMG:style_emoticons/default/screwy.gif) I am SO not showing you the pics of my audi conversion (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif) I should expand on my statement. I used a pair of those solid mounts in my own race car at one time. They are an appealing product because people think that installing solid transmission mounts is a performance upgrade, and the Weltmeister pieces are relatively inexpensive. My experienced opinion is that one end of the engine/trans mounting system should remain flexible, even if only to a small degree - at least in all but the stiffest of racing chassis'. I prefer to mount the engine end solidly and the trans end on stiff rubber such as 911 sport mounts or WEVO mounts. The Weltmeister pieces don't stay tight in hard usage. The magnesium trans ears will fret on the hard plastic and cause erosion. As with the majority of components bearing that brand, in usage the actual product leaves much to be desired. |
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Posts in this topic
naro914 915 vs 901 vs boxsterS - Opinions needed. Jan 11 2012, 12:07 PM
SirAndy pros/cons
Yes.
:D Jan 11 2012, 02:39 PM pcar916 initial cost for a 915 conversion is simply more ... Jan 11 2012, 03:10 PM naro914 Thanks Ron, that is very helpful.
I've also a... Jan 11 2012, 04:19 PM
pcar916
I've also added Boxster S tranny as an option... Jan 11 2012, 04:30 PM
rohar
Thanks Ron, that is very helpful.
I've also ... Jan 11 2012, 04:53 PM Richard Casto Should prove to be an interesting thread. Two oth... Jan 11 2012, 04:41 PM mepstein
I'd like some opinions from the general peanu... Jan 11 2012, 04:51 PM naro914
what are you trying to accomplish? Will it be wor... Jan 11 2012, 05:17 PM mepstein
what are you trying to accomplish? Will it be wo... Jan 12 2012, 01:14 PM PeeGreen 914 With everything done right the 901 can handle a gr... Jan 11 2012, 05:08 PM PeeGreen 914 The 914 that has won at parade the past few years ... Jan 11 2012, 05:30 PM naro914 AX and track racing put very different strains on ... Jan 11 2012, 05:50 PM PeeGreen 914 If you look at many of the Patrick Motosports 914s... Jan 11 2012, 06:15 PM pcar916 These transaxle threads are really useful to me be... Jan 11 2012, 06:43 PM Racing916 I have driven a crap load of track miles on my 901... Jan 11 2012, 08:29 PM naro914
I have driven a crap load of track miles on my 90... Jan 11 2012, 09:27 PM betegh9
I have driven a crap load of track miles on my 9... Jan 14 2012, 06:40 PM rohar
I believe that a Boxter/ Cayman 6 speed transm... Jan 14 2012, 07:13 PM brilliantrot IMO the 915 isn't enough stronger then a 901 t... Jan 12 2012, 12:08 AM SirAndy My only beef with the 901 is that when you approac... Jan 12 2012, 12:25 PM Randal
In fact, i have a 915 sitting in my shed that al... Jan 14 2012, 09:43 AM SirAndy In fact, i have a 915 sitting in my shed that alre... Jan 14 2012, 12:29 PM naro914 I keep being told by guys I should ditch the old s... Jan 12 2012, 01:35 PM zig-n-zag I'll side with the factory on this one. In 19... Jan 12 2012, 03:12 PM Racer Chris We have a track car at the shop right now with a b... Jan 13 2012, 08:20 PM Randal
We have a track car at the shop right now with a ... Jan 13 2012, 09:03 PM Racer Chris
So keeping it cool is the trick, hey Chris?
I th... Jan 13 2012, 10:32 PM RobW I think the Boxster S is your clear choice. For no... Jan 14 2012, 04:34 AM naro914
I think the Boxster S is your clear choice. For n... Jan 14 2012, 07:31 AM Cracker No guinea pig risk...Renegade has developed (just ... Jan 14 2012, 08:53 AM rohar If they've got a conversion for the Boxster S ... Jan 14 2012, 09:39 AM rohar
But the deal killer for track guys would be avai... Jan 14 2012, 09:49 AM Randal
But the deal killer for track guys would be ava... Jan 14 2012, 10:41 AM rohar
But the deal killer for track guys would be ava... Jan 16 2012, 07:13 PM naro914 I would go Boxster S...6 speed and stronger Jan 14 2012, 10:44 AM campbellcj I was just thinking the other day how robust the t... Jan 14 2012, 10:53 AM rohar The FWD and AWD trannies from Audi/VW aren't t... Jan 14 2012, 11:06 AM rohar Is it possible for someone with an engine out to m... Jan 14 2012, 12:00 PM rohar Ok, so I just pulled the motor tranny out from und... Jan 14 2012, 04:22 PM rohar Crap, I almost forgot, you need to throw a hydro c... Jan 14 2012, 07:15 PM betegh9
Crap, I almost forgot, you need to throw a hydro ... Jan 15 2012, 07:41 PM rohar Looks like an Audi 016 automatic, but after a bunc... Jan 15 2012, 08:50 PM Racing916
Looks like an Audi 016 automatic, but after a bun... Jan 15 2012, 09:19 PM rohar
[quote name='rohar' post='1605421' date='Jan 15 2... Jan 15 2012, 10:09 PM rohar dangit, doublepostage. Jan 15 2012, 10:09 PM Racing916 You have a modern motor so a more modern gearbox m... Jan 15 2012, 09:18 PM rohar
You have a modern motor so a more modern gearbox ... Jan 15 2012, 10:14 PM andys
The Audi box I'm running is already very tal... Jan 16 2012, 04:03 PM rohar Mostly a street car, but track days happen :)
Thi... Jan 16 2012, 06:56 PM campbellcj I sure hope that anyone planning to do more than 1... Jan 16 2012, 07:40 PM naro914
I sure hope that anyone planning to do more than ... Jan 20 2012, 07:53 AM rick 918-S Bob,
I'm running a 901 with a billet plate a... Jan 19 2012, 09:23 AM naro914 ^^^whos is that? Is that yours Bigkat? Jan 20 2012, 07:48 AM J P Stein I voted long ago to just hang in there with the 90... Jan 20 2012, 10:27 AM naro914
I voted long ago to just hang in there with the 9... Jan 20 2012, 11:04 AM rohar
Here is a pix from a old thread does not show th... Jan 20 2012, 10:31 AM campbellcj Them be 930 turbo (six) valve covers...
If you... Jan 20 2012, 10:51 AM naro914
Here is a pix from a old thread does not show t... Jan 20 2012, 11:01 AM pcar916
Which is fine because my engine isn't a type... Jan 20 2012, 11:04 AM pcar916 Those are 3.2l speed and reference sensors and a t... Jan 20 2012, 10:50 AM naro914 FYI, I use the WEVO semi solid trans mounts on bot... Jan 21 2012, 07:42 AM stownsen914 A old friend who runs a 911 racecar at DEs and PCA... Feb 2 2012, 09:38 AM |
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