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> 5s tranny to 3s tranny
post Mar 5, 2007 - 6:46 PM
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95CelicaRacer



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I have heard that 5sfe (C-52) trannies can be used for 3sgte motors, so could you use a 3sgte transmission for our motors. If so, what would have to be modified? I was wondering about this because those 5s trannies really suck and they can't hold up to any kind of abuse on the track. Any help would be appreciated biggrin.gif
post Mar 5, 2007 - 8:54 PM
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trdproven



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Thats a good question and if anybody does know for sure, will it increase any performance? Or is it all up to aftermarket clutch, flywheel, etc.?


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post Mar 5, 2007 - 9:34 PM
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Supersprynt



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5sfe tranny is S54, not C52.

And theres no 3sgte transmission. Theres an alltrac transmission, which you cant use, and an MR2 transmission, which you can.

Search around. The same things need to be done to make it work with the 3s swap.


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post Mar 6, 2007 - 7:54 AM
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95CelicaRacer



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QUOTE
And theres no 3sgte transmission. Theres an alltrac transmission, which you cant use, and an MR2 transmission, which you can.

Search around. The same things need to be done to make it work with the 3s swap


The main reason I would like to do this is because the synchros are much stronger and durable, and the gear ratios are taller. BTW, what are the gear ratios and final drive ratio on the alltrac transmission? And what is the top speed on it as well? biggrin.gif

What are the same things that need to be done to make it work as if it was the 3s swap? confused.gif

This post has been edited by 95CelicaRacer: Mar 6, 2007 - 7:57 AM
post Mar 6, 2007 - 8:17 AM
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Supersprynt



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QUOTE
MR2 Transmission comparison

Gear Ratios:
s54 e153
1st 3.285 3.230
2nd 1.960 1.913
3rd 1.322 1.258
4th 1.028 0.918
5th 0.820 0.731
rev 3.153 3.545
Final 4.176 4.285

Effective gear ratios (Gear * Final):
s54 e153
1st 13.718 13.841
2nd 8.185 8.197
3rd 5.521 5.391
4th 4.293 3.934
5th 3.424 3.132

Speed @ RPM with stock wheels and tires:
s54 @1000 @2000 @3000 @4000 @5000 @6000 @6300
1st 5.0mph 10.0mph 15.0mph 20.0mph 25.0mph 30.0mph 31.4mph
2nd 8.4mph 16.7mph 25.1mph 33.5mph 41.8mph 50.2mph 52.7mph
3rd 12.4mph 24.8mph 37.2mph 49.6mph 62.0mph 74.4mph 78.1mph
4th 16.0mph 31.9mph 47.9mph 63.8mph 79.8mph 95.7mph 100.5mph
5th 20.0mph 40.0mph 60.0mph 80.0mph 100mph 120mph 125.9mph

e153 @1000 @2000 @3000 @4000 @5000 @6000 @7000
1st 5.0mph 10.0mph 15.0mph 20.0mph 25.0mph 30.0mph 34.9mph
2nd 8.4mph 16.7mph 25.1mph 33.4mph 41.8mph 50.1mph 58.5mph
3rd 12.4mph 24.8mph 37.2mph 49.6mph 62.0mph 74.4mph 86.8mph
4th 17.4mph 34.8mph 52.2mph 69.6mph 87.0mph 104.4mph 121.8mph
5th 21.8mph 43.7mph 65.5mph 87.4mph 109mph 131.1mph 152.9mph

s54 5sfe max shift points
1st-2nd 31.4mph 6300-3738rpm
2nd-3rd 52.7mph 6300-4250rpm
3rd-4th 78.1mph 6300-4881rpm
4th-5th 100.5mph 6300-5025rpm

Info from http://www.mr2.com/ARTICLE/1991_Specifications.html


Like I said the alltrac tranny won't be used unless your doing AWD, but I think the ratios are the same as the MR2.

I've tried re-aligning the text but it won't do it after edit.

This post has been edited by Supersprynt: Mar 6, 2007 - 8:20 AM


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post Mar 6, 2007 - 2:05 PM
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95CelicaRacer



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Thanks a lot for the info. biggrin.gif

So from what the chart shows, the E153 tranny is useless to me because I cannot tach 7000rpm in a 5sfe which will not give me any more top speed except for about 10 mph in 5th gear. Right? Oh well, I was just trying to get that extra edge! kindasad.gif

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