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Diff Ratios

Tech Talk for Cruiser owners.

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Diff Ratios

Post by suzi_shawn »

hi Guys i have 2 diffs from a hilux iam wondering if u guys could tell me what the gear ratios would be the first is an 85 4 runner 2.4 diesel and the second is a 12 83 2l petrol hilux extra cab

thanks
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Post by dave »

4runner is most likely 4.5 & i think the other could be 4.88
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Aza
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Post by Aza »

dave wrote:4runner is most likely 4.5 & i think the other could be 4.88
the 83 is most probable a 4.88, shouldnt there be an engraving on the diff housing?
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Post by hiluxv8 »

Count the number of teeth on the crownwheel and divide it by the number of teeth on the pinion.Then you have the ratio.
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Post by Shadow »

hiluxv8 wrote:Count the number of teeth on the crownwheel and divide it by the number of teeth on the pinion.Then you have the ratio.
^^

if the diff is still in the housing, then you can turn the wheel/hub/axle and count the number of turns on the pinion flange., turn the wheel/hub/axle 10 times and count the turns of the pinion flange and that will tell you the ratio to within a reasonable accuracy (ie can tell difference between 5.88 and 5.7*)
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Post by 4sum4 »

85 2.4D 4.56 and 83 petty 4.88 (Standard)
[url=http://downunder4x4.net/forum/showthread.php?t=1650]86 Hilux[/url]
and a 84 extra cab



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