Originally Posted by knyznyk

Hi I just installed a Hypertech programmer on my 2005 silverado 5.3L 2wd Truck. I was told the best settings for the Rev limiter is 6100RPM, with shift points at +3, +9, +5. I put the Rev limiter to 6000RPM and the shift points at +2, +3, +3, to test it and around 60MPH (100km/h) a noise comes from the engine. I sounds like the lifters ticking. Is this a problem or is this just a 5.3L thing?
Thanks