RAV4 2.0 close ratio gearbox into GT4 ??

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RAV4 2.0 close ratio gearbox into GT4 ??

Postby marty » Fri Aug 10, 2007 2:27 pm

Hi to all, I've heard about putting Rav4 2.0 gearbox into GT4, due very short final drive ratio...is that right? Has somebody this gearbox in GT4??
This is example...don't know if their right... :D

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Postby **BETSY** » Fri Aug 10, 2007 8:48 pm

i to have heard of this but have never seen one in the 'Flesh' or know how good the results are?
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Postby wizzards581 » Sat Aug 11, 2007 12:26 am

i know the older models use 5sfe and some came with a 4wd tranny? 5spd was available too. hmm... its probably good to look into this?
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Postby marty » Sun Aug 12, 2007 8:07 am

**BETSY** wrote:i to have heard of this but have never seen one in the 'Flesh' or know how good the results are?


U'r in UK, gearbox is in UK so what are you waiting for :D
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Postby **BETSY** » Sun Aug 12, 2007 5:34 pm

marty wrote:U'r in UK, gearbox is in UK so what are you waiting for :D


Fair comment :)
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Postby tybrinturbo » Wed Aug 22, 2007 11:46 am

i have this gear box in me rally car, very close ratio gear box, top speed 195km, the 1 gear its very slow, but for rally the 2, 3 and 4 gear its perfect
st185cs rally car
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Postby gt4tified » Wed Aug 22, 2007 7:18 pm

tybrinturbo wrote:i have this gear box in me rally car, very close ratio gear box, top speed 195km, the 1 gear its very slow, but for rally the 2, 3 and 4 gear its perfect


Do the bellhousings match up exactly?
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Postby CMS-GT4 » Wed Aug 22, 2007 7:32 pm

Thats the same box used in the v6 alltrac project. I am curious what the actual ratios are.
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Postby tybrinturbo » Wed Aug 22, 2007 8:05 pm

Do the bellhousings match up exactly?
yes

1gear 3.833
2gear 2.00
3gear 1.258
4gear 0.919
5gear 0.775
final 4.993
st185cs rally car
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Postby CMS-GT4 » Wed Aug 22, 2007 9:28 pm

From what I understand is they do. From what I have read, the gearbox is very much like the alltracs design. I am also curious about its syncros.

This might be a good project for me by keeping the ct20 and not worrying about more power.
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Postby fhalperformance » Mon Aug 27, 2007 3:42 am

Id love to see some pictures of this tranny and gear set if anyone has them.
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Postby marty » Wed Aug 29, 2007 7:13 am

tybrinturbo wrote:i have this gear box in me rally car, very close ratio gear box, top speed 195km, the 1 gear its very slow, but for rally the 2, 3 and 4 gear its perfect


wow I didn't expected so close ratio, that is good for GT4 which somebody have only for races, not for everyday driving. but the performance must be awesome.
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Postby coyoteboy » Tue Sep 04, 2007 11:05 pm

tybrinturbo - what rear diff are you using? Changing the box you'd need to swap the rear diff ratio too (unless you were being very unfriendly to your viscous coupler). Fascinated.
In comparison with the GT4 boxes though, that appears to not match what you suggest:
1st is a lot shorter than stock - you should really notice a difference there
2nd and 3rd are not far off standard and 4th and 5th are like overdrives in comparison with the GT4 box? Certainly the 185 rally box is much closer ratio than the rav4.
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Postby coyoteboy » Wed Sep 05, 2007 7:26 am

Ignore my thoughts on final drive and diffs, i keep making this mistake, despite KNOWING the final drive is set before the transfer.
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Postby bozo-merlin » Wed Sep 05, 2007 8:39 am

coyoteboy wrote:In comparison with the GT4 boxes though, that appears to not match what you suggest:
1st is a lot shorter than stock - you should really notice a difference there
2nd and 3rd are not far off standard and 4th and 5th are like overdrives in comparison with the GT4 box? Certainly the 185 rally box is much closer ratio than the rav4.

Gear ratio are closed yes, but that the only way to get a shorter final drive ratio and that is the biggest interest of this gear box

the RAV4 2001 1AZFE gearbox (i don't know if this one fit but i think so) have shorter gear ratio but the FD is not as short as this one, the 4th and 5th gear are really interresting for race the car :D

1gear 3.833
2gear 2.045
3gear 1.333
4gear 1.028
5gear 0.731
final 4.562



tybrinturbo, which RAV4 your gearbox come from ? (year and engine type)
Thanks
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