2000-2004 Porsche Boxster S 6 speed manual transmission question
Hello,
I have a Porsche 914 and I'm converting the drive train to an LS1/boxster S 6 speed manual transaxle (2000-2004). I have the adapter built by KEP and a nice clutch setup they provided too. I'm in the market for a used gearbox and want to know what to look for when examining them. I've read through the forums and gleaned as much info as I could about the subject. Here's a summary of what I already know. Talked to Roger at CMS and he recommended getting one with the lowest mileage possible. I've read about the second gear problems and the sealed bearing issue, finger test. Looks like there's a second gear detent modification you can make. Seems its best to use OEM fluid in the thing. Cables and trans mounts can create issues. What can I do when examining a gearbox? Any help would be much appreciated! Thankyou Newbie Bill |
While most of us may not have extensive experience with transmissions, I'd highly recommend asking a facebook group called: Transmission Building 101, what they think. I can't personally help, but hopefully it'll get you someone who can
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I saw a rough 914 with a small block Chevy conversion at Lime Rock take top time of day at a time
Trial event over some pretty fancy cars, you're going to have one fast car! Other than actually driving the car with the transmission still in it, buying a rebuilt unit or from someone you trust, I've got nothing to offer. Please post some pictures when it's done! |
Just buy the Audi box that it is and then you don't have to pay the premium associated with the name Porsche. It is widely available in Europe for just a few hundred $$ you can get one out of a FWD diesel A8 or something similar. Or just try this one, it is brand new
New Genuine VW Audi 6 Speed Manual Transmission Longitudinal Mount KTU Code | eBay |
That's the 01E transmission and is a stronger transmission than the Boxster 6 speed. Great transmission and one of the best. If you go that route, this guy is the king of building them over here in the states.
http://advanced****************************************** ******************/shop/ |
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Great suggestion to use an expert for the rebuild. Thank you. But the link does not work.Can you fix it for us? Thank you. Here is a video on the Audi 01E -looks quite different in some ways: https://www.youtube.com/watch?v=sF4LXDhdZzs https://www.youtube.com/watch?v=DgNwr_1isuc https://www.youtube.com/watch?v=eHsARePtpXI |
If you want to go the rebuild path I have a 02 6 speed with about 65k on it that needs a rebuild that I can sell for pretty cheap. It has the usual issue with the 2nd gear synchro having gone bad.
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I'm really just looking for a low mileage unit though. Roger at CMS said these tranaxles while fairly cheap to attain, are very expensive to rebuild. |
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I think it'll be a great formula too. Probably wont have the opportunity to test a transmission still in the car unless I steal it haha. Its kind of a crapshoot. I'll definitely post some pics here. |
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The guys over at Renegade, they put LS motors into Boxsters, may have some insight into how the 6 speed holds up to a big power increase. |
Seriously, just buy that box in my previous reply. If you manage to blow that one up then you can worry about getting an expensive box and upgrading it but that box is stronger than the Boxster so chances are it will hold up better and it is brand new and under 1k so I don't see how you can go wrong with that.
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So will that more robust audi/vw tranny mount up in place of the stock 986S 6-speed, or is it just for custom drivetrains?
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Boxster 6 speed interchange Audi 01E
I started searching for Porsche G96+ Audi 01E interchange/parts swap info but found nothing definitive.Maybe the wrong search terms??
Suggest we start a separate thread on this specific issue so we do not hijack the OP? I am a little skeptical of the Interchange only because in all the G96/6 speed research for the Boxster & 996 I have done, this is the first time the Audi 01E has been proposed as a solution. I am obviously missing something important so forgive my ignorance. Maybe someone could ask Advanced Automotion? A guy who is billed as the Jake Raby of transmissions really needs a lot more exposure on 986 forum Thanks for the connection Woody ! |
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