Jim: If it's a no cost option I'd do it!
The motor is designed with the correct squish when everything is at stock spec, I doubt there is much in the way of power hiding in the squish band but there should be improved economy/efficiency.
(I've ran 3mm MHG's on basically stock spec head and...
J3: I figured this was the case and had a word with Push about it.
His response was a kneejerk reaction and not acceptable but I'm glad it's just an easily sorted misunderstanding.
Heckler: You understand the process correctly "I want" doesn't..... :nono:
The pistons in a 7M protrude 20 thou from the deck at TDC you could offset the big end holes this amount safely but it's an extreme way of doing it compared to the correct thickness MHG.
Back when I played with Nissan L Series motors I used pistons with a different pin height to drop them down the bores to decompress the motor for the turbo's I was running.
There are +'s and -'s doing it this way as it destroys the Squish built into the motor but does allow stock components...
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