Re: build d sounds truckish
 

rod knock will only get louder through time so if it gets louder well there you go if not well its just the pistons

Re: build d sounds truckish
 

WOT sounds like a mack truck

Re: build d sounds truckish
 

Forged pistons will knock when the motor's cold and then go away once warmed up, but a rod knock will be constant no matter what temp.

Re: build d sounds truckish
 

The high pitched spool or the engine?

Re: build d sounds truckish
 

I heard that alot this year, people didnt think it was my car making the noise lol

It was a combo of both though, open 3" dp and 2" dump, and an open filter turbo

Sounded sick as ---- to me

Re: build d sounds truckish
 

timing can make stuff like that happen too

Re: build d sounds truckish
 

If you've got knock at idle due to timing, you've got some serious issues :l