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Auto 1.6 Vitara gear ratios

Posted: Wed May 28, 2008 10:10 am
by PCRman
Can any one confirm that my research is correct.

93 EFI Vit LWB 1.6 4sp auto

Auto
1st 2.826
2nd 1.493
3rd 1.000
4th(OD) 0.730
R 2.703

T'fer
H 1.000
L 1.816

Diff 5.125

Giving a crawl ratio (Low-Low) of 26.3

Posted: Wed May 28, 2008 10:37 am
by Gwagensteve
I think that's right, except you don't have the converter multiplication ratio in there - I think it's 2.4 for the AW-4, so you're acutally at 63:1 as a manual equivalent.

CJ, can you confirm that ratio is correct?

Steve.

Posted: Wed May 28, 2008 10:40 am
by cj
Correct and correct ;)

Posted: Wed May 28, 2008 11:05 am
by PCRman
Cheers, is the convertor torque ratio needed for using engine revs to work out road speed? How much loss occurs before the convertor is coupled/locked?

One(two) Last thing(s).

Does the Cal 5.83's bolt onto Air locker centers with out any probs?

Also the 5.83's are listed as "Temporarily Discontinued" any looked into it?

Posted: Wed May 28, 2008 11:11 am
by Gwagensteve
No, the converter ratio only applies up to stall speed, so once rolling the slip is negligable (around 150rpm) However, you also have a converter lock so under light throttle/cruise, your converter will be locked so there's zero slip to allow for.

5.83 calminis? :rofl: These haven't been available since time began. Cj has done lots of research into these. They don't exist and I don't think they've existed for about 4 years. There were issues between calmini and Richmond, who were making them, I think, and I don't think you'll be seeing any in the future.

Steve.

Posted: Wed May 28, 2008 11:38 am
by PCRman
Right, I saw the previous posts bout 5.83s and assumed that they came back into availibilty at some point then went out again. "Temporarily" my arse :bad-words:

I just have to keep and eye out for a 2nd hand set going cheep :roll:

spotted this at boondoxs

http://www.boondoxmotorsports.com/zuk_drivetrain.html

Posted: Wed May 28, 2008 11:45 am
by Guy
even when the 583s did exist they had some durability issuses as they were made quite soft to keep the dentist drill burr .. I mean pinion gear in one piece for more that 10 seconds of hard use.

Posted: Wed May 28, 2008 11:45 am
by Gwagensteve
Yep, bear in mind though that some of the US models had different components/gearing etc.

Steve.