There is plenty of wall on a 351 block,there not like the 302's.But 60 over is alot,I would stay in the 40 over range to be safe,if you can.
__________________
Visit my TR Shop Forum
RIP Chester P.Anderson Jr.9/23/05 I love you dad,and miss you very much.
RIP Kevin"Slo SI" 9/13/06,we will miss you homie,time heals wounds but you will never be forgotten