Will more than 10psi really kill my 7.3 IDI?

[96powerstroker]

2 guys on Powerstroke Nation are building their IDIs up for 6k in the truck and the motor and trans . 6k for everything including purchase price of truck and gonna try to make 400 plus. the one already dynoed at 321hp . it on youtube look up 6.9 idi dyno and search for user crawler2b or something like that it a black dually

 

[97powerstroke]

I think they have more like 21.5 to 1 compression ratio

 

[tughill283]

throw a set of 16.5:1 pistons in there

 

[chevota84]

Do you guys have pushrod issues under boost? A friend of mine has a banks turboed 6.9 and anything over 12 psi it starts to bend pushrods.

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