Re: Help w/ noise
The noise is definitely on the passenger side and it almost sounds like a rod knock. I was thinking if it was a rod knock it would make the noise all the time. It only makes it on light steady throttle or if you blip the throttle at a certain rpm. There is absolutely no noise...
Re: Help w/ noise
I thought that the manifolds could be a possibility but there are no black exhaust marks by the manifolds. At times you can hear it through the cross pipe underneath. With a stethoscope on the manifolds themselves you really can't hear the noise.
Re: Help w/ noise
Forgot to add the truck is almost bone stock. Only upgrades are borla cat back, IC pump hot wired, rubber IC lines, silicone lines, NGK plugs, taylor wires, msd cap, rotor, and coil.
I have a popping/knocking noise on steady cruise under no boost. As soon as I am into boost it goes away. If I blip the throttle or find a steady rpm the noise is very apparent. I was listening around with a stethoscope and it almost sounds turbo related. The shaft does have slight up and down...
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Valve...