Compression Ignition Addict
Join Date: Jan 2012
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What's that knockin
Uh oh, well shi t. Truck has had a slight knock for the last 10k miles. It sounds as if it is getting louder. Sounds to me as it is coming from the oil pan, I wouldn't think a main would knock, so that points to a rod. It is not noticeable at idle, only if you slowly rev it up to around 2500 rpm. It has to be something in the rotating assembly, as it gets louder and faster as the rpm's
Increase. It is really noticeable if there is a wall next to you as you pull away, such as when I badge in at the powerplant and pull away from the guard gate. There is no lack of performance at all. I bought the truck used with 32k on it, it was owned by an older man and I don't think it was ever off the highway, it now has 46k on it. Truck is not beat on at all, oil and filters changed every 5k. I guess tomorrow I am going to reinstall the factory exhaust and take the h&s out, drive it a few days and then take it in. Wish me luck.
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'10 ccsb fx4, afe stg II, 5" flo-pro, Tuned by "KEM"
Last edited by BB's 250; 08-08-2012 at 02:32 PM.