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> 901 VS 915 TRANSMISSION, 450 HP V8 901 OR 915
Gary
post Mar 2 2005, 11:16 PM
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QUOTE (Brett W @ Mar 2 2005, 09:02 PM)
http://www.quaife.co.uk/catalogue/page11.htm

Nice 6 speed box with a lot of options. Price is nice too. As much as a 930 box with better features. You can even go sequential for a few bucks more. It looks like the Quaife gearbox will be around awhile.

Current exchange rate for 7975 GBP is $15,250.46...
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Brett W
post Mar 2 2005, 11:18 PM
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Thanks for the info. Too bad the Pantera used a Ford motor.
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andys
post Mar 2 2005, 11:28 PM
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New ZF's are available through RBT in Orange County, CA http://www.rbttrans.com/
NOS, but the castings are updated, as are some of the internals. Best ask them directly about the ratings.

Andy
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cdmcse
post Mar 3 2005, 01:37 AM
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Is the 944 transaxle worth using? Some of the 951 guys make some pretty good hp.
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BIGKAT_83
post Mar 3 2005, 06:18 AM
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QUOTE (Brett W @ Mar 3 2005, 12:02 AM)
http://www.quaife.co.uk/catalogue/page11.htm

Nice 6 speed box with a lot of options. Price is nice too. As much as a 930 box with better features. You can even go sequential for a few bucks more. It looks like the Quaife gearbox will be around awhile.

http://www.gt40s.com/ubbthreads/showflat.p...page=vc&fpart=1
Read what these guys have to say about the ZF box.

Too bad we can't fit a Corvette box in out cars. They are all shaped the wrong way, but they are stout enough for 700+. It is the same box that is in the Mustangs. Tremec makes nice trannies.

The Fortin gear boxes are 13-15k new and 9K used. The X-trac is, unfortunately 30-35K.

Miles where did you get the specs on the ZF box.

Brett which one of these will you be using in your race car ?
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Brett W
post Mar 3 2005, 07:30 AM
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I am going to start out with a 901, just to meet a deadline. Then I may try the Audi box, depending on what I find when I do some further research. In the end I will probably end up with something like the Quaife or Mendeola, unless i find something better in the mean time. I would like an X-trac but I am not independently wealthy, yet.
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Andyrew
post Mar 3 2005, 09:07 AM
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The 951 trani is not set up to have a clutch in that area, 951's and 944's have a long driveshaft that link the clutch package (by the engine) to the trani.
Also there is no place for a starter.

Thought about that one for a long, long time...
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Brett W
post Mar 3 2005, 02:04 PM
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I am not referring to the 951/944 gear box. I am referring to the Audi 5000 turbo gear box.
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TravisNeff
post Mar 3 2005, 02:12 PM
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Brett, what are you doing for an engine to warrant a monster trans?
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Brett W
post Mar 3 2005, 02:18 PM
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It is a secret for now. When things get a little closer to the deadline I will share the info.
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Brett W
post Mar 3 2005, 02:34 PM
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heres a hint:



Attached image(s)
Attached Image
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TravisNeff
post Mar 3 2005, 02:37 PM
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tractor equipment?

You gonna have to notch your targa bar for something like that to fit. That gives a new meaning to the tower of power
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bondo
post Mar 3 2005, 02:37 PM
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QUOTE (Brett W @ Mar 3 2005, 01:34 PM)
heres a hint:

Oh my.
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andys
post Mar 3 2005, 02:41 PM
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QUOTE (Brett W @ Mar 3 2005, 12:04 PM)
I am not referring to the 951/944 gear box. I am referring to the Audi 5000 turbo gear box.

If you are thinking the manual transaxle, then there are some issues you ought to perhaps consider. Unless you get an 016 3U model (which was never available in the US), then the ratios are not very well matched to a V8. This transaxle is not the answer to high HP V8's. It's internals are a click below those of the 951 internals, as Porsche implemented some subtle but significant strengthening to it (even though both are considered the model 016). They top out at about 400HP if driven gently. There's lots of discussion on the GT40 replica forum in this regard. If you're thinking automatic, then non of the above applies.

Andy
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Brett W
post Mar 3 2005, 02:59 PM
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Yeah I found a GT 40 forum and have been reading the post about transaxels for the last 24 hours. Since the proposed motor is a little different as far as the torque curve goes I think the gears should match OK but I am giong to do some more research first. The deadline will be met with a 901 but in the future something else will have to be done.
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Andyrew
post Mar 3 2005, 03:41 PM
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Brett, my post was in response to.
QUOTE (cdmcse @ Mar 3 2005, 12:37 AM)
Is the 944 transaxle worth using? Some of the 951 guys make some pretty good hp.



I agree with what your saying on the subject (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)

btw, That engine scares me...
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Aaron Cox
post Mar 3 2005, 03:52 PM
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brett--

OHC lexus v8 motor (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif)
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Wild 6
post Mar 3 2005, 03:59 PM
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I have the 915 gearbox w/Wevo sideshift and internal Wevo gateshift with a high power 993 engine. It really works quite well. Transaxle Engineering in North LA will flip the ring and pinion and freshen the box very inexpensively.

I have a friend who runs the 930 in a 914 TT. You have to cut the trunk if you turn the 930 gearbox upside down. Also, you have to run a cable shifter. He will tell you that the 915 with Wevo is a better way to go.

Hope this helps.

P.S. Drive the car before deciding on the gear change. I geared my car for the local tracks in Arizona.
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TravisNeff
post Mar 3 2005, 04:37 PM
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Wild 6, tell us more about your car
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Brett W
post Mar 3 2005, 10:44 PM
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Sorry Andrew.


QUOTE
ou have to cut the trunk if you turn the 930 gearbox upside down.


Probably not a problem.

QUOTE
OHC lexus v8 motor


Why what ever could you be referring to? (IMG:http://www.914world.com/bbs2/html/emoticons/rolleyes.gif)
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