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Vehicles (17 Jan 2019)

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T-Case and Diff Ratios for 1.3 Petrol Manuals

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03 Jun 2017 18:41 - 03 Jun 2017 18:42 #181729 by Grogey
Hi, I've been reacquainting myself with Jimny specs and after having a good check around I seem to be a bit confused. Here is my findings. Please confirm them.

G13bb 1998 to 1999. 1st gear 3.652: T-Case 1.32 H; 2.145 L: Dif 3.416. (or Is it a 3.909 Dif)
M13a 2000 to 2005 1st gear 3.652: T-Case 1.32 H; 2.145 L: Dif 3.909 (or Is it a 2.643 T-Case L)
M13a VVTi 2005 to Present 1st gear 4.425: T-Case 1.000; H, 2.002 L: Dif 4.3

Over all Transmission Reduction then came out for Low Range 1st Gear as follows

G13bb 1998 to 1999. = 26.8
M13a 2000 to 2005 = 30.6
M13a VVTi 2005 to Present = 38.1

If these numbers are correct the low range performance must be noticeably different between each edition.

Cheers

Currently No Jimny, but saving to buy a 1.3 VVTI Manual as second car/offroad toy.
Previous 4wds: 1998 Hilux, Mildly Modified 1999 Jimny, 2009 Hilux, Medium modified 2006 GU Patrol
Last edit: 03 Jun 2017 18:42 by Grogey.

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  • Lambert
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04 Jun 2017 11:33 #181753 by Lambert
Our previous one was a 54 and compared with the current one i do seem to think that the newer one does crawl better but that is a comparison from 6 odd years ago and I could be confused.

It's not a Jimny. It's my Jimny

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Boing said Zebedee (blue automatic2011)
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05 Jun 2017 20:11 #181775 by yakuza


thats it...

2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, 17%/87% high/low gears.
Attachments:

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05 Jun 2017 20:37 #181778 by Busta
I put a G13BB automatic transfer case in my M13A manual Jimny and there was no noticeable change in the low range ratio.

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31 Dec 2018 14:33 #199780 by Grogey
Yes a very late reply but life seems to have gotten in the way of what's really important!

Yes, no change in your M13A (Mark II) would be expected with your swap as the T-Case ratios are identical.

Cheers

Currently No Jimny, but saving to buy a 1.3 VVTI Manual as second car/offroad toy.
Previous 4wds: 1998 Hilux, Mildly Modified 1999 Jimny, 2009 Hilux, Medium modified 2006 GU Patrol

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31 Dec 2018 14:37 #199782 by Grogey
Thanks yakuza.

So the 2.643 T-Case was the 2005-2011 Auto.

I also found the 3.416 Diffs were from Diesel Jimnys.

Cheers

Currently No Jimny, but saving to buy a 1.3 VVTI Manual as second car/offroad toy.
Previous 4wds: 1998 Hilux, Mildly Modified 1999 Jimny, 2009 Hilux, Medium modified 2006 GU Patrol

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