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370Z to 350Z Transmission Conversion

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Old Sep 23, 2011 | 08:36 AM
  #21  
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When I initially was reading this it was through my phone on a subway. Just looking at everything on my computer really puts it into perspective. Holy shiit this is amazing stuff. Keep it up dude!
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Old Sep 27, 2011 | 04:45 AM
  #22  
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Will this be the same process with a HR to DE transmission? I picked up a 07-08 HR tranny with 9k by seller mistake and would love to swap the inside to my 03 case.
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Old Sep 27, 2011 | 09:48 AM
  #23  
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Originally Posted by ffwturboZ
Will this be the same process with a HR to DE transmission? I picked up a 07-08 HR tranny with 9k by seller mistake and would love to swap the inside to my 03 case.
What does the sticker on the side of the tranny say? Should be JK something.
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Old Sep 27, 2011 | 01:30 PM
  #24  
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Nice bit of investigative engineering. Congrats! Whoever you work for should consider paying you more and working you harder so you don't have time for this kind of stuff.
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Old Sep 27, 2011 | 02:00 PM
  #25  
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Originally Posted by derektm
What does the sticker on the side of the tranny say? Should be JK something.
It says JK400 and CD5 on the case. Check out the pics
370Z to 350Z Transmission Conversion-trann1.jpg

370Z to 350Z Transmission Conversion-tranny2.jpg

370Z to 350Z Transmission Conversion-tranny-3.jpg

If I can do the same thing I would go for it like you did..
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Old Sep 27, 2011 | 05:16 PM
  #26  
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Originally Posted by ffwturboZ
It says JK400 and CD5 on the case. Check out the pics
Attachment 324257

Attachment 324258

Attachment 324259

If I can do the same thing I would go for it like you did..
Ok. Let me do a little research in the software and I will tell you what you have to do. I don't want to steer you wrong. I will reply late late tonight or tomorrow.

Btw, nice tranny! It's in great shape.

Last edited by derektm; Sep 27, 2011 at 05:18 PM.
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Old Sep 28, 2011 | 07:09 AM
  #27  
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Originally Posted by derektm
Ok. Let me do a little research in the software and I will tell you what you have to do. I don't want to steer you wrong. I will reply late late tonight or tomorrow.

Btw, nice tranny! It's in great shape.
Thanks, I have it for sale unless I can use it like you did yours...Thanks for looking this up for me
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Old Sep 28, 2011 | 08:34 AM
  #28  
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Great info and thread! Inside of transmissions scare me lol.

Let us know how it drives, shifts, engages, etc once back in the 350....
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Old Sep 28, 2011 | 08:47 AM
  #29  
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Awesome endeavor op!
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Old Sep 29, 2011 | 08:30 PM
  #30  
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Thanks for the support guys. @ffwturboZ: Sent you a PM
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Old Oct 3, 2011 | 07:29 AM
  #31  
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I'm looking for a 370 transmission for a swap I am doing. Lemme know if it is a 370 box and you wanna ssell it for whatever reason.

Dave

Originally Posted by ffwturboZ
Thanks, I have it for sale unless I can use it like you did yours...Thanks for looking this up for me
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Old Nov 6, 2011 | 01:42 PM
  #32  
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Originally Posted by rcdash
Nice bit of investigative engineering. Congrats! Whoever you work for should consider paying you more and working you harder so you don't have time for this kind of stuff.

I lol'd
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Old Nov 6, 2011 | 09:22 PM
  #33  
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nice work and innovation. cool to see someone else getting inside these transmissions and poking around.

Last edited by Nealoc187; Nov 6, 2011 at 09:34 PM.
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Old Sep 20, 2012 | 01:07 PM
  #34  
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I found out the hard way, the hr tranny is just like the 370 in this thread. So to swap a hr into a de would be this same process.
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Old Oct 14, 2012 | 09:50 AM
  #35  
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Originally Posted by derektm
What does the sticker on the side of the tranny say? Should be JK something.
Did you have to remove any components from the tail assembly to remove the bell housing?
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Old Oct 18, 2012 | 07:52 AM
  #36  
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Originally Posted by konjiki7
Did you have to remove any components from the tail assembly to remove the bell housing?
The rod connecting the shift forks is what's keeping you from taking just the bolts out and sliding it off.

There are several dowel pins on the shift mechanism. If you remove the plate on top of the tail assembly, you can see them. I don't remember exactly how many you have to take out but knock them out with a punch and the tail assembly should come apart.

It's been so long now that I do not remember everything that I had to remove to get the tail assembly off. You might have to use a rubber mallet or a little force because it is held together with RTV silicone.

Hope this helps!
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Old Oct 18, 2012 | 08:14 AM
  #37  
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Amazing
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Old Oct 19, 2012 | 06:00 AM
  #38  
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Even though this is an old thread I give props for the effort.

I just wanted to clear up to people since someone mentioned it being stronger. A stock 350z 6mt can hold over 1000hp without problems so people shouldn't concern themselves with the strength of our transmissions.
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Old Jul 10, 2013 | 10:39 AM
  #39  
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Originally Posted by binder
Even though this is an old thread I give props for the effort.

I just wanted to clear up to people since someone mentioned it being stronger. A stock 350z 6mt can hold over 1000hp without problems so people shouldn't concern themselves with the strength of our transmissions.
Wow reading this build was awesome and mad props to Derek. Ive always wanted to pull a transmission apart and this gives a lot more perspective to it. I love engineering. lol

I got a question for binder though, are our tranmissions rated for up to 1000hp for racing with and not drifting?
Im just curious because i was talking to one of the mechanics at formula D in LB running a VQ motor and he was saying that the transmissions at over 600hp drifting tend to get shredded up quickly and break gears?
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Old Jul 10, 2013 | 11:43 AM
  #40  
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jeez.. stay at a holiday inn express last night?
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