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diff ratios

Posted: Wed Sep 19, 2012 7:50 pm
by TOJO 12-HT
Hey
I have a HJ75 5speed manual (H55F)
Running 35s on factory diff ratios, that i belive are 4.11

Now i want to mainly fit 79series axle assemblys F&R, with 79series diffs 4.3 ratio. What final drive ratio would i get back to? 33s?
As atm its just a bit high geared

Re: diff ratios

Posted: Wed Sep 19, 2012 8:54 pm
by 80's_delirious
Sounds about right.

33s change final drive by about 5%
35s change final drive by about 10%, 4.3:1 diff ratios will bring it back to about a 5% change in final drive.

Re: diff ratios

Posted: Thu Sep 20, 2012 7:25 pm
by TOJO 12-HT
Sweet

Also i have air locker in my 4.11 diff, would the 4.3 ring n pinnion fit in my old diff center?

Re: diff ratios

Posted: Thu Sep 20, 2012 7:32 pm
by 80's_delirious
Nope, 105/79series centres are different, ring gears gave a different bolt pattern.

Re: diff ratios

Posted: Fri Sep 21, 2012 8:39 am
by hulsty
Side gears are different, 79 series use 32 spline axles.

Re: diff ratios

Posted: Sat Sep 22, 2012 12:02 pm
by X-ron
Here is a link for a diff ratio chart that might help out: http://www.4-wheeling-in-western-austra ... ratio.html" onclick="window.open(this.href);return false;

Cheer Ronny

Re: diff ratios

Posted: Mon Oct 08, 2012 4:56 pm
by TOJO 12-HT
ah ok so it might b quickest and easyest to jus fit 79 axles complete, and maybe do a 6stud hub conversion.
because im coin coil f&r anyway

Re: diff ratios

Posted: Tue Oct 09, 2012 6:23 pm
by hulsty
Cant easily do that either, just get 5 stud wheels.

Re: diff ratios

Posted: Thu Oct 11, 2012 7:28 pm
by 80's_delirious
hulsty wrote:Cant easily do that either, just get 5 stud wheels.
X2 there is no straight forward way to convert 5stud to 6stud.