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Transmission/clutch info 4g63t swap
http://4g61t.org/forum/viewtopic.php?f=6&t=39621
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Author:  pimpy rider [ Thu Jan 01, 2015 6:15 pm ]
Post subject:  Transmission/clutch info 4g63t swap

I just pulled the engine from my colt (it was built by someone else so it had the f5m21 trans with the 63t.
I don't know what kind of clutch and flywheel this is. My guess is it's a 2.0 na setup. It's smaller in size than the turbo. The crazy thing is the splines are the same. It slides right on a f5m33 trans. So why the hell wouldn't everybody just use the turbo clutches?

I was POSITIVE I read 100 times before the splines/ size of shafts are different.

Author:  CaptainTonus [ Thu Jan 01, 2015 6:35 pm ]
Post subject:  Re: Transmission/clutch info 4g63t swap

The reason they don't use the larger clutch is because you need the larger flywheel to go with it. That's all I can think of, anyway. I used a turbo (225mm) clutch and flywheel in my Mirage with the KM210 trans and it worked perfectly.

Author:  Sunchaser [ Thu Jan 01, 2015 9:16 pm ]
Post subject:  Re: Transmission/clutch info 4g63t swap

Quote:
I just pulled the engine from my colt (it was built by someone else so it had the f5m21 trans with the 63t.
I don't know what kind of clutch and flywheel this is. My guess is it's a 2.0 na setup. It's smaller in size than the turbo. The crazy thing is the splines are the same. It slides right on a f5m33 trans. So why the hell wouldn't everybody just use the turbo clutches?

I was POSITIVE I read 100 times before the splines/ size of shafts are different.
I thought you had to use the n/a clutch with the f5m21 because it wont clear a bigger flywheel from the turbo.

Author:  pimpy rider [ Fri Jan 02, 2015 3:16 pm ]
Post subject:  Re: Transmission/clutch info 4g63t swap

Yeah it musr be size/clearance issue. I think i alwsys just assumed the spline would be different. You could use an awd flywheel i bet, youd just have to modify the starter mount location so the starter would engage. Then you could use the stock turbo clutch. It looks like my car had a stock jobber n/a clutch. It looks brand new. Im surprised it held up to 240ish hp for the brief time i turned the boost up to 15 psi. It worked awesome. I always wondered why it had such a nice feel. Probably the perfect clutch for 10 psi and under

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