Has anyone looked into Gear changes in 6-speeds? - Page 3 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 02-08-2011, 03:55 PM   #41
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Originally Posted by djp0623 View Post
I think the rear gear swap is simpler. I've taken apart a 6 spd. If you are not very skilled, then this project is ripe for disaster. (two non working six speeds)

If you have the skills, then I guess it would be great. I don't think this will end up being a cheap solution. I'm not trying to be a downer. I just don't want someone new to the hobby reading this, deciding it is the latest and greatest, and then getting in over their head.

I am back on board the 3.636 gear swap band wagon.
I am in the process of taking mine apart right now. What about it didn't work out for you? I have a friend who is an s2k dude looking for stuff for me to see if one could just throw the main and countershaft in the miata case. This was my plan. If the ap1 gears would work, I would sell my pretty 3.636 torsen waiting to go in.
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Old 02-08-2011, 04:33 PM   #42
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An mnetter in this thread , ChasH, concluded the S2K box had no similarity to the other boxes.

Here's an article with images of an S2K box being torn down.

AP1 mainshaft diagram
AP1 countershaft diagram
AP1 case diagram

Does this help anyone that has a clue when it comes to these gearboxes? Me, I have no idea what I'm looking at here. Bunch of parts.
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Old 02-08-2011, 05:35 PM   #43
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Originally Posted by djp0623 View Post
If you are not very skilled, then this project is ripe for disaster. (two non working six speeds)
Agreed, not for the faint of heart.... I want broken ones because 1. they are cheap 2. I have access to a toasted s2k trans at work that's just sitting there and 3. I just want them for mock up purposes. If any of this works out like any of us hope it will, I will go on to find good condition transmission to meld together. Whether the gear swap works out or I'm able to make an adapter, either way would be cool for me.
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Old 02-08-2011, 08:33 PM   #44
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Originally Posted by baron340 View Post
Agreed, not for the faint of heart.... I want broken ones because 1. they are cheap 2. I have access to a toasted s2k trans at work that's just sitting there and 3. I just want them for mock up purposes. If any of this works out like any of us hope it will, I will go on to find good condition transmission to meld together. Whether the gear swap works out or I'm able to make an adapter, either way would be cool for me.
What is toasted in it? If you mail me the main and countershaft i will pay shipping if it isnt something crazy wrong with them. I have a naked 6 speed case laying here.
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Old 02-10-2011, 11:44 PM   #45
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Originally Posted by chicksdigmiatas View Post
If the ap1 gears would work, I would sell my pretty 3.636 torsen waiting to go in.
If the AP1 gears would go in I would take the 3.63 setup off your hands
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Old 02-16-2011, 08:05 PM   #46
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You're like the 4th person to ask, lol.
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Old 02-16-2011, 09:08 PM   #47
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But, I would be the first to pay
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Old 02-16-2011, 09:43 PM   #48
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Originally Posted by chicksdigmiatas View Post
You're like the 4th person to ask, lol.
Just so you know... I haven't forgotten about you. I'm still working on getting you a set of gears to try fitment. I also found out that the miata trans and s2000 trans are very very close to the same length, so the whole swap seems like it's feasible.
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