Black'Rado
August 27th, 2014, 06:04 AM
i just recently bought this 03 silverado ss with the lq9. it has headers, cold air, and a 2400-2600 stall the best i can tell.
i started to feel the rpms surge some while cruising so i set up this log and it looks as if the timing just takes random dips down and then back up? the truck does have a tune on it from a popular company but its just a mail order and was from the previous owner. also seemed to pick up quit about of KR from a 60mph roll.
Im just curious at what is causing this.
17385
i started to feel the rpms surge some while cruising so i set up this log and it looks as if the timing just takes random dips down and then back up? the truck does have a tune on it from a popular company but its just a mail order and was from the previous owner. also seemed to pick up quit about of KR from a 60mph roll.
Im just curious at what is causing this.
17385