Thread: Axle Ratios and Centre Diff...

I would think the differences are insignificant compared with the differences caused by normal driving around corners and curves.

(3.55-3.54)/3.54 = 0.28% difference in ratios. That's the same as a difference in tyre diameter of 2mm on a 31 inch diameter tyre. You could get more than that difference with a slight tyre pressure variation.

Speaking of which, you have a 10 PSI tyre pressure difference in a standard RR setup.

Ron

Interesting. The 4WD Kingswood might be easier than I first thought. Coil front, leaf rear. Can't be any worse than a current Land Bruiser tray top or Troopie.

Originally Posted by BigJon

How would a centre diff (early RR type) cope with a couple of different axle ratios?

For example, front diff 3.54 to 1 (standard Rover), rear diff 3.55 to 1 (Holden salisbury axle).

I am just turning ideas over in my head.

Without looking for a workshop manual, they are probably both 11teeth/39 teeth = 3.54545454 : 1. One is rounding up, the other rounding down. 3.55 Holden Salisburys are rare except in One Tonners. Most went into V8 auto. cars and were 2.78 : 1 unless the customer ordered something different.

Are you thinking of doing a 4wd Kingswood wagon with an LT95 as the G/Box? And utilising the Holden salisbury axle?