jmderyke Posted June 28, 2011 Posted June 28, 2011 I have a the np 207 behind my ax5 transmission in a 86 mj. It has been acting up and recently and to top it off the speedometer gear broke and I can't find the right size one anywhere. The later years speedo gears are easy to find but the np 207 uses a gm right hand driven gear that is impossible to find a 19 tooth gear. Anyway I have a 89 xj parts rig with a np242 behind a automatic transmission and not sure if it will bolt up to the ax5 transmission with a 21 spline so my question is does the 242 have a 21 or 23 spline input shaft?
kar120c Posted June 28, 2011 Posted June 28, 2011 According to Novak 21 spline was used in the 242 until 90. Should be compatible assuming info is correct. http://www.novak-adapt.com/knowledge/np ... _gears.htm
Garvin Posted June 28, 2011 Posted June 28, 2011 All AW4's up to '90 were 21 spline. In '91, they went to a 23 spline output. I can vouch for a '90 being 21 spline as my old Cherokee was that.
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