 Boxster Transmission into 914? |
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| roamer |
 Oct 6 2007, 06:02 PM
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Newbie  Group: Members Posts: 5 Joined: 5-October 07 From: Buffalo, NY Member No.: 8,188  |
Ok Guys-
I have searched around the board for some time as I begin formulating my plan for an STI swap into a 914. One of my primary concerns is the transmission. The 901 will not withstand my power goals (~450hp), nor will a 915. A 4-speed 930 transmission is inappropriate for the subie powerband. I know that a G50/xx will work, but what about the transmission from the boxster? It is my understanding that the torque capacity of these transmissions are equivalent to the G50 and it seems to me that it would be a better solution since it was designed for a mid-engined car. Any guidance would be greatly appreciated! Thank you. |
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| Brett W |
Oct 7 2007, 08:53 PM
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Advanced Member Group: Members Posts: 2,859 Joined: 17-September 03 From: huntsville, al Member No.: 1,169 Region Association: None 
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The Boxster tranny has no provision for a starter. Have one in my shop for use in my race car. You will have to come up with another way to start the car.
Might want to look at the Subie tranny. But I doubt you will make that much torque. I would guess you probably won't make more than about 300ftlbs and it will come on late in the game so you won't be snapping first gear off the shaft. Turbo cars are pretty easy on gearboxes compared to NA engines. |
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Posts in this topic
roamer Boxster Transmission into 914? Oct 6 2007, 06:02 PM
GeorgeRud It's been done, but it takes a buttload of fab... Oct 6 2007, 06:06 PM Dave_Darling There's a thread on the Pelican 914 BBS with a... Oct 6 2007, 06:45 PM Beachbum
Ok Guys-
I have searched around the board for so... Oct 6 2007, 08:01 PM davep Some of these can be used I guess. You have to be ... Oct 6 2007, 08:09 PM neo914-6 search here or Pelican for abc914 or 914abc, it is... Oct 6 2007, 08:35 PM Chris Hamilton Would it be more or less expensive than the awesom... Oct 6 2007, 09:11 PM wbergtho
Those are G50 series boxes and need to be mounted... Oct 6 2007, 10:49 PM roamer So if I understand everyone correctly, the Boxster... Oct 7 2007, 12:45 PM Brando Could try a 951 transmission or 968 transmission. ... Oct 7 2007, 12:56 PM
BMartin914
Could try a 951 transmission or 968 transmission.... Oct 7 2007, 03:50 PM Brando On opposite sides yes. Supposedly the spline count... Oct 7 2007, 03:56 PM SirAndy
my power goals (~450hp)
i know of at least two 9... Oct 7 2007, 03:57 PM roamer
my power goals (~450hp)
i know of at least two ... Oct 7 2007, 04:27 PM SirAndy
Andy- Unfortunately the 930 tranny won't mat... Oct 7 2007, 05:16 PM Brando Well... Hello Boxster trans, goodbye rear trunk... Oct 7 2007, 04:28 PM Twystd1 You can buy darn near any gear set imaginable for ... Oct 7 2007, 06:39 PM roamer Thanks Guys!
4 speeds will be tough to match ... Oct 8 2007, 11:45 AM Brett W How much torque do you anticipate making? The Aud... Oct 8 2007, 04:41 PM roamer
How much torque do you anticipate making? The Au... Oct 8 2007, 04:53 PM Brett W Put a 901 on there and run it. You will be fine. ... Oct 8 2007, 05:48 PM |
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