Originally Posted by 73DAD
Originally Posted by Cab_Burge
Measure the thickness of the outer head bolt bosses and see how thick, tall, they are now and please post them.
I'll bet a nickel they are closer to .960 to.950 now than they where new scope up


I'll do that if my memory cooperates. I wish I had cc'd them before sending them out to be machined, just to have the data. What do you guys suppose unmilled open chambers cc at? 95?? 100??


My 906 heads measured out at 92cc.

1970 Super Bee prostreet. 383, SMR 727, Dana 60 4:88. Building a 512 low deck.