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> Boxster transmission adapter plate, Relocated starter
r_towle
post May 10 2014, 02:09 PM
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Guys,
In response to another thread about subarus, someone posted a link about a shop in AZ that is making an adapter plate kit to bolt up a boxster transmission to a Subaru motor.

Wondering if he sold a kit, or just did all the work, I reached out to him.

He does in fact sell a kit which requires milling out some of the bell housing, but then you can mount a starter.

Assuming much of the flywheel and clutch would not work, this might be a good place to start for someone who races, wants a more modern transmission, a cable shifter, and would like to remain all Porsche....

Naro...


Link to site for pricing etc.
http://www.boxsterengineconversion.com/par...ith-prices.html


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naro914
post Jan 5 2015, 12:25 PM
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Well....I have news and bad news. (I won't say good news because its not really good)
the news is that I was able to contact Powertech - the guys that did the Boxster S trans conversion for Alan. I spoke to owner Keith Peare - long time 914 racer (now racing spec boxsters)

The bad news is..it was A LOT of work...like tons of work. Everything was custom, and they said they would NEVER do it again. The had to cut off much of the bell housing of the boxster trans, design a new adapter bolt pattern plate with hole for the starter and have it CNC fabricated, then welded back onto the trans, design in the hydraulic clutch system, fabricate the cradle/mounting system to hold the trans in place, etc. etc. etc.... (and more etc's...) nearly 200 hours worth of work that they only billed for less than half...

Plus, the Box S trans is MUCH heavier/bigger and sits back too far, so adjustments need to be made for that or you end up with a 911 weight distribution...

Hmm...not sure where to go now...
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r_towle   Boxster transmission adapter plate   May 10 2014, 02:09 PM
naro914   Did you ask if it work with a Porsche 3.2 engine?   May 10 2014, 07:05 PM
r_towle   It's a flat plate of aluminum. Holes need to b...   May 10 2014, 07:12 PM
precisionchassis   It will only work with a Subaru engine and uses st...   May 12 2014, 10:56 AM
rick 918-S   That is really not hard to do. I made my adapter p...   May 12 2014, 10:01 PM
bulitt   I bet KEP could do this quickly. He already has p...   May 13 2014, 05:41 AM
CptTripps   This could be real interesting, but I wonder if it...   May 13 2014, 06:17 AM
mepstein   This could be real interesting, but I wonder if i...   May 13 2014, 06:26 AM
CptTripps   ... think there would be interest to adapt a boxt...   May 13 2014, 07:10 AM
r_towle   That was kinda my point. Subaru to Subaru is simpl...   May 13 2014, 07:11 AM
naro914   ^^ Agreed I have no interest in a Subaru motor. I ...   May 13 2014, 07:21 AM
r_towle   And this seems really close. Boxster transmission ...   May 13 2014, 07:28 AM
BIGKAT_83   And this seems really close. Boxster transmission...   May 14 2014, 12:34 PM
El Vikingo Tropical   [quote name='r_towle' post='2036861' date='May 13...   Dec 5 2014, 02:18 PM
ClayPerrine   Looking at the specs in PET and online, the Boxste...   May 13 2014, 12:33 PM
Chris914n6   I don't suppose someone has a CAD file of the ...   May 15 2014, 02:08 PM
got914?   I don't suppose someone has a CAD file of the...   Oct 17 2014, 02:20 PM
bulitt   The pics above are from member "221kw914...   May 15 2014, 02:56 PM
Chris914n6   Found this on Rennlist. http://www.914world.com/b...   Oct 20 2014, 03:47 PM
Mike Bellis   I'm running an 11lb VW/Audi lightened flywheel...   Oct 20 2014, 09:10 PM
naro914   I wanted to bring this back to the top and restart...   Jan 2 2015, 03:45 PM
naro914   Probably easier if I just show his pictures...   Jan 2 2015, 03:53 PM
r_towle   Here Whois database.   Jan 2 2015, 07:11 PM
naro914   thanks Rich I contacted Alan and he told me who di...   Jan 4 2015, 10:07 PM
914Timo   Not sure, but I think they welded more material to...   Jan 5 2015, 04:47 AM
naro914   Well....I have news and bad news. (I won't say...   Jan 5 2015, 12:25 PM
rick 918-S   200 hrs? Having done this type of engineering in m...   Jan 5 2015, 01:12 PM
naro914   ok, well I was guessing 200 hours...he said about ...   Jan 5 2015, 01:39 PM
rick 918-S   I owned a collision/resto shop for 18 yrs. I under...   Jan 5 2015, 02:07 PM
naro914   I owned a collision/resto shop for 18 yrs. I unde...   Jan 5 2015, 04:31 PM
naro914   OK, so Alan sent me the invoice to do the work...h...   Jan 5 2015, 02:14 PM
r_towle   Stick with the 915 or get a g50 Tried and tested m...   Jan 5 2015, 04:44 PM


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