Shorty1989 Posted March 4, 2013 Report Share Posted March 4, 2013 I bought a diff centre today but unsure of the ratio! Is there a way to tell the ratio or will it have to go to a diff place to get checked? Link to comment Share on other sites More sharing options...
Rumcajs Posted March 4, 2013 Report Share Posted March 4, 2013 (edited) Thats pretty simply; count number of teeth on pinion and crown wheel than ratio=driven/driver or ratio=number of teeth on crown wheel divided by number of teeth on the pinion. Cheers Edited March 4, 2013 by Rumcajs Link to comment Share on other sites More sharing options...
Shorty1989 Posted March 4, 2013 Author Report Share Posted March 4, 2013 Thanks, will do it tomorrow Link to comment Share on other sites More sharing options...
Shorty1989 Posted March 5, 2013 Author Report Share Posted March 5, 2013 Ok, so It's a brand new 3:9 ratio and I need a 4:1 Great Link to comment Share on other sites More sharing options...
Shorty1989 Posted March 10, 2013 Author Report Share Posted March 10, 2013 Is there Spose to be a crush spacer on the drive pinion? Link to comment Share on other sites More sharing options...
Rumcajs Posted March 12, 2013 Report Share Posted March 12, 2013 (edited) There is/are spacer/s and shim/s to get the pinion bearings pre-load right. There are several sizes available. Cheers Edited March 12, 2013 by Rumcajs Link to comment Share on other sites More sharing options...
Shorty1989 Posted March 15, 2013 Author Report Share Posted March 15, 2013 Thanks mate Link to comment Share on other sites More sharing options...
Glort Posted March 22, 2013 Report Share Posted March 22, 2013 What is the tallest ( lowest Reving) ratio on a Gq and how do you know what is in a vehicle without pulling the centres out? Is there a code on the compliance plates? Link to comment Share on other sites More sharing options...
Rumcajs Posted March 22, 2013 Report Share Posted March 22, 2013 Looking at the specs it seems the lowest ratio is 3.9, standard was 4.1. There should be a code on the VIN plate like axle type H233B 41 (41 means 4.1 ratio) thats how it is on GU I'm not that sure about GQ. Cheers Link to comment Share on other sites More sharing options...
Glort Posted March 22, 2013 Report Share Posted March 22, 2013 You sure know a lot about these things! The Patrol Oracle! Link to comment Share on other sites More sharing options...
Rumcajs Posted March 23, 2013 Report Share Posted March 23, 2013 You sure know a lot about these things! The Patrol Oracle! LOL, I don't think so, it will be a while before I'm Patrol guru...... Link to comment Share on other sites More sharing options...
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