Mad Gear truck shaking problem

[gatoscale]

When slowly throttling up the Mad Gear Tuscon 5E, the truck stutters & shakes forward slowly for several feet before it begins to move smoothly forward. If I punch the throttle quickly for a fast jump start, the truck will stutter forward before moving smoothly OR simply not response at all to the throttle command. I've checked all the connections, all of the differentials/gears (all seem ok), esc settings (seem ok), etc. but the problem still persists even though nothing appears to be broken. When trying to slowly move the truck, it will stutter & shake violently as if its path is blocked (though it's not). I was running the truck around in an open field and not any bashing. After installing a fresh set of lipos, I drove the truck around for another 10-minutes before briefly stop the truck; but once I started up, the truck started to act up with this stuttering & shaking problem.

For those not familiar w/Tuscon 5E, check out the link below:

The truck is a 1/5 scale brushless electric SCT w/80a esc 4x4.

Any thoughts as to what the problem might be?

 

[whittron]

What the hell is a Mad gear truck?maybe post some pictures so we can see what we are working with.