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what diffs to use

Posted: Mon Nov 28, 2005 5:03 pm
by gary ryan
OK,I have 94 duel lux,was diesel 5 speed 4.3 diffs,now v6 auto.?is how to lower RPM at crusing speed,eg.at 100ks now is 2300RPM i think is to high
.Been told to lower RPM,change tyre size or change diff size.Forum chat on 33s,arnt legal in QLD and probably wont change a lot.Next choice is to change ratios. Has any one sucessfully done this? what cogs should i choose,what RPM do need to get for 100ks, or am i asking to much,or for trouble. I know of 4.1 ratios but been told of 3.54s,auto has low 1st gear3.54s could work. Forum is great and very helpfull.Thanks G.Ryan

Posted: Mon Nov 28, 2005 5:30 pm
by kroozer91
you can run no bigger than 33's in qld.

as for the ratios i am not an expert so i cant help on that one sorry

welcome to o/l

Posted: Mon Nov 28, 2005 5:41 pm
by -Mick-
Ratios will solve your problem Gary and be the cheapest/ easiest way other than tyres.

For Gary's benefit (and mine) what is the largest LEGAL tyre on a lux in QLD :?: Given that the largest factory tyre was a 7.00 r16 (I think).

Posted: Mon Nov 28, 2005 6:38 pm
by Pauwolf
Rules say 15mm higher than tallest factory option.

You should be able to get away with 33s (not legally tho) if you dont behave like a rat

Paul