Originally Posted by miked24
What does 1.7 or 1.75 ratio mean on rockers. And for this build which would I need??
Just as it says. the B/BlK normally uses 1.7 Rockers which is 1.7 times the actual lift of the cam, the 1.75's gives a little more lift to the valve. Multify the actual lift of the cam by 1.7 gives the actual valve lift, same as the 1.75 will show a little more actual valve lift.
Zip.