java230

I used 125k in the center diff.

edgeverse

Been busy and haven't kept up in a few days, but...

Tonight after work, I changed to the optional 54t spur gear and went up 2 teeth on the pinion. Now my gearing is 13/54.

I'll test it out tomorrow/today depending on what everyones time zone is.

imusa76

That's exactly what I'm running, Its Much FASTER!!!
I need to pick up a 17 pinion and give that a try.

amospetrie

iTrader: (14)

I'm running the 17 pinion with motor temps about 148 150

amospetrie

iTrader: (14)

The other day the back right wheel started bouncing like crazy and at the same time the rear end is really bouncy is the a broken diff or rear gear box? Ty

Dave H

Sounds like a wheel balance issue. Try switching the wheels left to right and see if the problem follows the wheel or stays on the same side. Also check hub bearings, axle bent, drive pins coming out and hitting something, etc.

amospetrie

iTrader: (14)

Ty I'll try that tomorrow but nothing seems to be bent

edgeverse

Well, today I drove the cutback with the new gearing. I went ahead and finally installed the optional 54t spur ear and went a 15t pinion. I was going to try the stock pinion and at first but noticed when trying to get the gear mesh just right.. the meshing was too loose feeling so I went ahead and put a 13t pinion.

That out of the way..

It was like night and day. The truck screamed across my yard and tore things up. Much better. I am pleased.

edgeverse

Next time I run, I'll check the temps. I didn't do so today. Though I did notice the motor was lukewarm.

java230

Finally tried it on 3s with the 17/54 gearing. It moves! But like it's been mentioned, the esc is programming is a little weird on 3s. It's almost like turbo lag, it goes like it's at full throttle on 2s, then just goes again, like enough to ovalize the tires again fast.

Only did a few mins, motor was hot, had already dumped a 2s through it. Couldn't keep my finger on the motor for more than 3-4 seconds.

edgeverse

I bet it flew on 3s.
I am happy on 2s after chaning the gearing to 13/54.

java230

Yeah almost scary fast. Try the 17/54 on 2s

edgeverse

Maybe I will.

java230

Well I let the magic smoke out....

edgeverse

How many runs did you get before this happened?

Mine did it seconds after plugging in and prepping to run this truck for the first time. (same day it arrived)