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23% reduction gears in gu auto ??????????????

Posted: Wed Jun 24, 2009 8:27 pm
by ads80
who has done it??? where you happy with the results, in regards to steep decents, ive got a 4.5l gu auto running 35's and 4.3 diffs, the gearing is now std, wanting to improve it on down hill, atm in low range can get about 70k, not sure if the 23% will be enough but think the 43% may take too much :? ????????????????????????????

Posted: Wed Jun 24, 2009 8:47 pm
by Mick.
I'd go 43% mate. I had 83% in my auto patrol with 4.6 ratios which was to much for 37s but good for 42s.

If your running 33s or 35s I don't think you'll be dissapointed with 43%.

Cheers Mick.