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Edward,
Cool!
My truck's been GM-ified since you last saw it in CO, all them years back...
My NP231 has a 2.72:1 ratio, combined with the 4L60E's 3.06:1, and the diff's 4.625:1 gives me a 38.495:1, then a second NP231 @ 2.72:1 would get it to 104.7:1
I guess at 200:1, you're using Terra-Low's 4:1 gears in the NP231's...


SWEET! Wow! Yea, it HAS changed a bunch! Yea, I started out doing just the Terra Low231 and NathanÆs conversion convinced me to do something with the spare parts I ended up with. Probably bust something trying to back it out of the garage. But, yea, most of the reduction is the 4:1 Terra Low and the 5.38:1 axle gears.

Edward

'97 Montero Sport LS 5-Speed 3.5L conversion
SAS Dana 44s & ARBs, 35" Yoko Geolandar M/Ts
NP231 B4R doubler/Terra Low231/RP 5.38 229:1
'99 Montero Sport Limited 4WD SAS 3-link project
'03 Montero Sport Limited AWD
'97 Montero Sport LS 5-Speed 4WD