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Well pictures first:

.030 over I-Con 18cc dished pistons with offset pins to limit cold piston slap:
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Haven forgot you.Running off to the doctors this morning and working in the shop today.Will try to post my 383 build later tonight.

So does that mean your going with the 302??.

I am building a pump gas friendly 383 that I could lay out for you with pictures. Post which way your going.

Yepper I missed the part about your block being .040 over for it to end up being a 384.Still the DCR formula you want to apply to end up no more than 8.5 for pump gas.
The Ryan's web page for 108...

Any,short of a new SHP or new block like it,needs to the machine shop to have the bores checked for roundness.It is kind of rare to find a block that just needs a hone and you can run it at 4.00....