6.4 New Owner Questions

[sootie]

The stock sensor maxed out at 72 psi. A hot tuned six four will see far more than that lol, that's where head gaskets go to die

 

[punkrockford]

****** it, replace the rocker arms before they break

 

[J98]

@punkrockford It is dereted lol.

 

[kleake]

If I remember right, my back pressure was right about double boost pressure. I get 42-43psi boost, so 80ish on exhaust. Been a while since I looked it that though. I'm straight piped all the way so no restrictions.

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