damn I just bought 2 of them for me and a buddy. Ahh well they were only $3.95 each there. I'll have to check out the 3.8 motor here. Thanks for the info.
Edit: wow they are $9.99 for a 38k motor. Hmmmm... I might have to buy that to compare it to the 42k. Is this 4.2 going to work in my camaro ZZ, I read that there is some trouble with the first gen PCB.