come on u guys, I own three trucks in my business, 1 of 3 is 8.1, all three are 3/4 ton 4*4s. # 2 needs a LB7 motor installed, 3rd is current LB7 that needs detuned. I am looking to buy a 4th truck.
My 8.1 locked up front axel solid and I drove it 8K more miles and did not hurt anything...