G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

5AT to 6MT Swap

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Old Oct 14, 2005 | 09:29 PM
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aznx2cool4u's Avatar
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5AT to 6MT Swap

Has anyone in this forum ever did a manual swap from 5at to a 6mt?? please get back to me on this. Im getting my turbo in two weeks, and i know my at transmission cant handle all the abuse. So please get back to me =]
 
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Old Oct 14, 2005 | 09:34 PM
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heeb's Avatar
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It would be a hell of a lot of work.

And check out Tinmans Twin Turbo 5AT.
 
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Old Oct 14, 2005 | 10:07 PM
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I agree...it would be way too much work and pricey. Might as well go built auto (it'd be faster anyway that way) or just sell the car for a 6MT.
 
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Old Oct 14, 2005 | 10:25 PM
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Don't even try to convert your 5at into a 6mt, might as well trade it in and even that is a a huge hassle (big cash loss), either way you do it you won't come out on top unless you just stick with your 5at.
 
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Old Oct 14, 2005 | 10:34 PM
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why not? i think you can do it. you'll need to find a 6MT tho.. You'll also need a new center counsel for your interior.. and ecu?

good luck on the project - might be cheaper to find a messed up 6MT and rebuild vs a new one good luck on it

edit i see u have an 05... IMO just trade it in and buy another 6MT 05.. especially right now before the 06 hits.

You'll get:
1. New "High REV" motor
2. 6MT gauge cluster w/shift light
3. New 6MT interior
4. Stronger Rods - Internal
5. Stronger Rod Bolts - Interal
6. Built to redline at 7k
7. Redesigned Intake Manifold
8. New Improved ECU
9. Variable Timing on the exhaust side as well as intake
 

Last edited by EricIsKlumzyee; Oct 14, 2005 at 10:36 PM.
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Old Oct 14, 2005 | 10:51 PM
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people are right, it will cost you more to do the switch than to just sell your existing car and buy a new one.

Good luck
 
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Old Oct 14, 2005 | 11:08 PM
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better off to just swap out the whole car... if you did manage to swap it out I'm sure you would have problems later on down the road...
 
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Old Oct 15, 2005 | 01:13 AM
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Man, what would that cost?
 
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Old Oct 15, 2005 | 02:10 AM
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AT to MT swaps are only done on hondas.

And may be BMW, but then again... if you have money nothing is impossible.
 
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Old Oct 15, 2005 | 02:37 AM
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Agreeing with everyone else, you're better off getting a new 6mt car.

But if you're concerned about an Auto not being able to handle that extra power...you're dead wrong. You can get an upgraded Torque Converter and a bunch of other mods to beef up your tranny.

And from what I've read on these forums, A modded Auto Tranny Vs. a modded Manual Tranny can actually take more abuse/horsepower. Do a search on the boards, and check out Gurgenpb's ride.
 
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Old Oct 15, 2005 | 05:18 AM
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but the cost to buff up an AT tranny to withstand enough power compared to a MT tranny is costly. having to purchase torque converters, valve bodys, etc. but anyways, if your worried that your AT can't sustain 350-400whp then your wrong. usually if you stay at stock boost level you can stick with stock internals. if you want more power then thats a different story.
 
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Old Oct 15, 2005 | 10:16 AM
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There are plenty of us with ATs in FI land. I know it's not a Turbo, but my S/C puts out 385 to the wheels and 315 tq. I've only done a tranny cooler ($50 bucks) and thats it. I just passed 3,000 hard miles a few days ago.

Like someone above said, go ask Tinman.
 
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Old Oct 15, 2005 | 10:18 AM
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And before I put the Vortech in, I also questioned upgrading to the 6mt. In the end, you lose too much on the trade in and the tranny swap is just not practical. I think there was a post directly on point a few months back and pretty much got the same responses.
 
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Old Oct 16, 2005 | 10:20 PM
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im not really scared of the power, more of the torque, cuz i drive my G really hard..if i get the chance.ill race some ppo or just let everything go. im scared if i redline too much my tranny will get messed up. How much would a torque converter cost??
 
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