It’s within Detroit tolerance, but the builders and I agree that it’s too far out of spec range for these pistons.
I’ll do some more on this thread soon when I have time to dig in deep. Next up will be the combination selection, classing then I’ll do the block measuring.
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I have a couple of questions about your previous failures, were they valve train related failures and if you don't mind could you give a brief rundown of the probable cause and any steps you have taken to mitigate a future failure.
I have had my share of top end issues with the GenII and think I have the issues sorted, finally. I am also moving to the Aluminator52XS for my next project car I am building and would like to address any issues prior to putting that motor into service.
Anyone here know what the limits of the GT350 oil pan and pickup are, I have always run an aftermarket road race pan on all my motors in the past but several people have advised to keep the GT350 pan setup as there would be little to no gain in making the change to the Moroso or Canton pan over the OEM pan. My gut tells me to bite the bullet and do a drysump on this setup but that really complicates things as far as packaging and budget.
Any input would be appreciated.
Dave