My 88 Olds wagone U/SA 10 Pennies

[SSDiv6]

Originally Posted by Jeff Stout

Made a mistake today on guessing how much to cut from head to get chamber down to proper CC. Way to far to get back to spec. Had to buy a used head for 60.00 and received cam bearings today 11.50 New total $3555.50

Jeff,

I usually takes about 0.005" ~ 0.006" of deck surface removal per CC of combustion-chamber volume for an Oldsmobile cylinder head.
However, this is a guideline and you need to constantly check it.