Recent Content by silverbullet_02

Been running Mobil Delvac 1, 15-40 in the truck for a while now... always idled about 625ish rpm... changed oil today and just put the non-synthetic oil in the subject in it, went driving around, now I notice it's idling closer to 550ish rpm. That's about a 75rpm drop. Something in my mind is...

On an '02 H. O. bone stock, when cruising down the road, it sounds like a clacky old diesel out front, at any speed, but when you put on the cruise control, all the diesel noise goes away, touch the gas pedal, noise is back, so on and so forth. So the noise appears to be linked to the...