Quote:

Quote:

67, 70-72 ran a piston with a compression height of 1.991.



'72 was the first year of the really lowered compression (8.2 advertised), the compression height on those is 1.926" which puts it close to .150" down.



cept' for the 72 440+6. that big dog still had 9.5-10.0:1 cr.. depending on who you believe.