And a Quaife box is never perfect the first time out. Be prepared for adjustments and improvements after 5-10 hours (a couple times).
Quaife/Elite are low end racing boxes... PAR gears in the AZ6 is a different ballgame of complexity (but can be assembled less than perfect of course). |
Sorry Bob. I fixed the post.
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Is it naiive of me to think it's absurd that a solution can't be found to handle 400 whp?? It's monster power to us miata guys but it's really not that much in the bigger picture. This whole $12k to get a transmission that doesn't implode from <400 ft-lbs seems ridiculous. There has to be a solution.
-Ryan |
Originally Posted by ThePass
(Post 1139929)
There has to be a solution.
A contributing problem is that the stock ratios are really good and if you do something why make it worse. PAR gears seems to be the cheapest/convenient "solution", currently. But no one here knows how long it will hold (it will fail for someone for some reason at some time of course). |
After 3-4 6 speeds I'd have put one of those solutions in and adjusted ratio at the diff to make it work...
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Originally Posted by ThePass
(Post 1140032)
After 3-4 6 speeds I'd have put one of those solutions in and adjusted ratio at the diff to make it work...
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two spead rear end? :party:
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Is there a reason why you track guys are against 4 speed, with the quicktime bell housing and something like this
G-Force Transmissions and Long Shifters i would think that its a far cheaper option then custom gear sets or sequential gear boxes. I find it hard to believe you can't get ratios to work with the amount of custom ratios for 4 speeds and rear ratios for our diffs. |
Originally Posted by ctdrftna
(Post 1140155)
4-speed
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I was interested in the Richmond 5 speed road race transmission. They now make a 6 speed as well and with a fair number of ratios.
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I could definitely make a box with fewer gears work for either track or autocross but not both from anything I have seen. Autocross is easy you only need two gears one low gear to launch and one that will hit right around to 70Mph with an elevated rev limit.
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Originally Posted by kaisersoze
(Post 1140172)
I was interested in the Richmond 5 speed road race transmission. They now make a 6 speed as well and with a fair number of ratios.
interesting I think you could build one with good ratios. why have I not seen that before? http://www.richmondgear.com/pdf/RG21.pdf |
Originally Posted by bbundy
(Post 1140183)
interesting I think you could build one with good ratios. why have I not seen that before?
http://www.richmondgear.com/pdf/RG21.pdf Richmond ROD 6 speed Gear ratio Mainshaft countershaft Drive - 22 37 1st 3.043 38 21 2nd 1.993 32 27 3rd 1.570 28 30 4th 1.237 25 34 5th 1.000 - - 6th 0.857 26 51 looks like it might be about 50-60 lbs heavier than an AZ6 by the time you get the bellhousing and taileshaft mounting setup. |
Sorry to hear about your trans problems. Subed for more info.
Is the RX-7 turbo 2 trans too much fab work to mess with? Bad gearing choices? Any potential advantages to cryo treating if your building another 6 speed? What are you currently using for rear end and half shafts? -Jeff |
2 Attachment(s)
Originally Posted by 2manyhobyz
(Post 1140198)
Sorry to hear about your trans problems. Subed for more info.
Is the RX-7 turbo 2 trans too much fab work to mess with? Bad gearing choices? Any potential advantages to cryo treating if your building another 6 speed? What are you currently using for rear end and half shafts? -Jeff https://www.miataturbo.net/attachmen...-rx7tii410-png |
What about 2.42, 1.53, 1.23, 1, .75?
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Originally Posted by FrankL
(Post 1140205)
What about 2.42, 1.53, 1.23, 1, .75?
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3 Attachment(s)
Originally Posted by FrankL
(Post 1140205)
What about 2.42, 1.53, 1.23, 1, .75?
https://www.miataturbo.net/attachmen...-mystery-5-png |
Originally Posted by FrankL
(Post 1140205)
What about 2.42, 1.53, 1.23, 1, .75?
Read this thread, especially from post ~125 onwards, for a lengthy discussion of what gear ratios are ideal and why they are ideal. https://www.miataturbo.net/suspensio...es-dust-75506/ |
Originally Posted by Savington
(Post 1140319)
Perfect, except 5th is a little deep as Bob said.
Read this thread, especially from post ~125 onwards, for a lengthy discussion of what gear ratios are ideal and why they are ideal. https://www.miataturbo.net/suspensio...es-dust-75506/ G-Force Transmissions GFT5242-93S G-Force T5 Transmission Gears And Mainshaft Upgrade Kits - Free Shipping on All Orders @ JEGS you can also get a 0.82 fifth gear which should work better than 0.75 G-Force Transmissions GFT82 G-Force T5 Transmission Gears And Mainshaft Upgrade Kits - Free Shipping on All Orders @ JEGS |
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