LoL


That motor has done SFA To be honest.

Do your injector upgrade then put a VF34 or TD05 on it, push 18 or 20psi out of it and laugh your way over 200kw

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1989 Legacy GT --> 2001 GD WRX --> 1999 GF8 WRX --> 2001 GD WRX

I think the 2009 onwards STI has nitrated cranks.

From what I have read looking around the place I do believe the USDM STI 257 OEM crank is cross drilled.

It will be fine. Boost it.
Mates running a 304 5 litre with a T04Z on 16psi and making 540 atw ffs. Standard block. Unopened and done 160,000kms.
Another mate same setup 9psi and making 360.
Boost it.if it fails then your down a block. Big deal.

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Straya

I have a USDM sti 2.5 crate motor & the crank was not cross drilled in any way. It was just nitrated, I have just assembled it into a aussie 2.5 motor and shipped it to the ACT for a mate.

I then replaced the crank with a bog stock one ( non heat treated ) , before assembly it went to Tony Knight at Knight racing motors SA to be oil phased. The photo is in the link above showing the modifications.

your talking ford jazz, there for go to a ford forum

Neil, 304 5 litre= Holden jazz.
302= ford.

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Straya

I know it was a test as I just wanted to see how pissed you were last night