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I’m running the oil that was in it, so probably 15/40 yes. Haven’t done a relearn yet. Temps here in the 30’s 40’s. I does sit inside and it’s usually 60 or so. I only shifts hard on the first few shifts, then it’s better and better until you let it set for a few hours. Not a problem but...

Thank you

No transmission problems at all, no codes. I had a friend that worked at Allison many years ago and had described the first learning transmissions. He said when they were new the transmissions would shift very hard until they learned how you drive and the load on the transmission. I...

It’s a 2001 A1. M1078

I was wondering if anyone has verified 12 volts to the keep alive memory.. From what I have read it looks to be pins 10 and 70. Or wires 110 & 170. Pink wires? I haven’t checked my truck yet. Might explain the harsh shifts on start up?

Ok I pulled an axle and it looks like the outer spline is 36 x 1.848 OD 1.721 min.

Does anyone know what spline size is on the outer axles? Spline count and size. Thanks

The bags are seem like they are very thick material. Not at all like the flexible original ones. More like a rubber bump stop that you can fill with air?? I think the thickness and the small diameter are the contributing factors. Update, after a week of driving all is well. My tires are...

I didn’t research the shocks too much, I knew I wanted to start with a shock designed for cab applications. Heavy construction (5/8 eyes on both ends) and in the stroke range plus a little. As far as the bags, the description doesn’t list it as internal bump. However they free stand more...

The yellow strap is adjustable to soften the upper limit of travel. The shock is the hard limit. I didn’t want the abrupt stop of topping out the shock. Shocks are cab shocks for a Peter built 83035, bags are sold by chassis tech #2200. Both available on the big E. Bags and shocks total...

Working on my 1078 cab air ride. The bags still held air ok but cab jolted on up travel and down. Shifting through the lower gears shook the cab almost felt like metal to metal…. Front cab mounts are new. I didn’t want to spend 1000.00 on an upgrade system . So I fabricated my version...