yup. where the hell did you see $800 4:1 kit? I vote 231 doubler
There is no such thing as a 23 spline t18 with a round pattern made before 1980. so one from a CJ WOULD NOT WORK. unless you changed/bought an adapter. or run a scout D300.
and a J-series truck would have like a 1" spacer for the bell housing (must be from a truck equipped with a 258 6 cyl) so... whoop-de-****. it would be bolt in minus altering the crossmember. and since your stretching it anyways that minute difference wouldn't matter.
3.52 => 6.32 = ~44% increase
2.62 => 4 = ~34% increase
or collect parts to run a bastardized 435. Dodge case + ford input + $20 pilot bearing.
or swap from a t-176 to a ford NP435(that came with a np208) and buy a new $200 input shaft from JB, advance adapter, etc.
or scour pirate for a used t-case.




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