Are 6.4s having HG probs??

[BAF250]

Are these heads lifting like the 6.0 did when tuned/ increased hp?

 

[OOWeaver68]

there have only been a handfull of cases, maybe like 4 or 5 known cases, check out thedieselgarage.com, a couple threads there on the issue, seems the problem isnt near as bad

 

[powersmoke18]

mine popped at 60lbs of boost. thats alot for stock head gaskets and bolts if u think about it tho.

 

[trapit]

I hit 50 psi everyday

 

[powersmoke18]

well i think the sct stacked mp-8 might have had something to do with it