Stock cam lift is .442. Stock rockers have a 1.59 ratio. With 1.70 ratio your lift will be .4726. You should be good to go.
------------------
88 347, Twisted wedge heads,Comp Cams 224/230 cam, 1/4=10.718 @ 123.02 mph dyno=
http://www.fbody.com/members/LarryS/mustdyno.jpg
[This message has been edited by 8850 (edited 04-28-2001).]