View Single Post
  #20  
Old 03-06-2010, 12:44 AM
HUMTECH's Avatar
HUMTECH HUMTECH is offline
Hummer Authority
 
Join Date: Sep 2003
Location: Canada
Posts: 1,251
HUMTECH is an unknown quantity at this point
Default Re: rpm's surging at around 30-50 mph! HELP, Is it the Shi@Ty GAS!

could be torque converter clutch coming on and off. What speed are you driving? Not likely to be the throttle body, could be though.
__________________
1987 Jeep YJ 403hp sbc 653hp on NOS
1998 Chev Z71
2007 Chev Trailblazer SS
Reply With Quote