Ring and Pinion question

Started by oddball, April 06, 2005, 01:49:05 PM

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oddball

April 06, 2005, 01:49:05 PM
This is an idiot newb question but Im trying to figure out what ratio my gears are; Ring gear is stamped
   37 7 DSD-G 4 14 96 8620 then etched is 137..E. The 4 14 96 I think is the production date. Pinion is etched 2.445 137..E Ring gear has 37 teeth and pinion has 7 teeth if that helps. The axles are from an 85 truck, the guy was running 35s but didnt know what ratio they are
2008 Tacoma regular cab, 4.88s, ARBs, crawl box, manual shift FJ case

BLACKDOG

#1
April 06, 2005, 01:50:56 PM
I think it is the # of rign gear teeth divided by the # of pinion teth that gives you the ratio but I am not 100% positve.
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derek

#2
April 06, 2005, 01:52:46 PM
37/7=5.29

derek

oddball

#3
April 06, 2005, 01:59:29 PM
Quote from: BLACKDOG on April 06, 2005, 01:50:56 PM
I think it is the # of rign gear teeth divided by the # of pinion teth that gives you the ratio but I am not 100% positve.
Thats what I thought too but Im such an idiot at math I came up with some far off #
2008 Tacoma regular cab, 4.88s, ARBs, crawl box, manual shift FJ case

oddball

#4
April 06, 2005, 01:59:57 PM
2008 Tacoma regular cab, 4.88s, ARBs, crawl box, manual shift FJ case
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