Jul 16, 2012 · The AX15 has brass syncros which can be damaged by the sulfur in many gear lubes. You need a GL-3 or GL-4 specifically void of sulfur such as Redline's MT-90 End of …

Aug 10, 2013 · Will an AX15 behind a 2.5 help you tow your jet-ski better? No. If these gear ratios of the 5 and 15 are right they closer than i thought they were 5th gear is a little concerning …

Feb 17, 2017 · My 2000 TJ has the 3550, the first year it was used in the TJ. Early reports were that it was a better one than the AX-15. First gear was 4:1 for the 3550 and 'only' 3.8:1 for the …

Aug 1, 2020 · AX15 and NV3550 used the same bell housing and the AX15 is the better transmission especially the new units with all of the upgrades. 94, 4.0/NV4500/NP231HD w/JB …

Dec 3, 2020 · An alternative is 10W-30 motor oil or GL4 transmission fluid. What's probably the best lube for the AX15 is one of the high rent synthetic transmission fluids like Redline, Amsoil …

Jan 25, 2016 · The motor on my 1999 Jeep TJ with 177K miles has a ticking/knocking sound. Has plenty of power and doesn't hesitate but the noise bugs me. Their is a guy selling a 05 motor …

May 12, 2015 · I've been having transmission issues lately and have heard that you can do a NV3550 transmission swap in exchange for the AX15 transmission could my existing clutch …

Dec 12, 2024 · Hey Gurus! My 93 YJ 4.0 5 spd got locked in neutral. It went to the transmission shop, and I've been quoted about $2200 to fix it. It's basically the shifter, Shifter tower, …

Feb 2, 2009 · This is a 3 part question. I am going to replace the 4 speed trans in jgano's 83 CJ7 4.2L with an AX15 5 speed from my 90 YJ 4.2L. 1st: Is the #1 gear in the 4 speed a lower gear …

Dec 23, 2014 · The nv3550(16.7" without bellhousing) is slightly longer than the ax15(16.5 without bellhousing) but slightly stronger too, and the gearing is a little (and I mean little) more fuel …