Yeah mine died before it even reached the chip.It was pretty bad.It was ok if I put the throttle down slower,but I couldn't overcome years of matting the throttle the way I do and go slower all of a sudden.I ended up running what the carb came with..35 squirters and yellow cams.I could footbrake it with the 2 step button on the brake pedal,and it would be fine(before I tried the shear plate).My motor went on the chip alot quicker with the transbrake,so I figured with my setup,which is a 4500 base M1 manifold,that it wasn't pulling fuel from the carb like it should.