Anyone put bigger valves in stock 351W heads?
 

If you have done it let me know, whats sizes? Aftermarket valves or stock bigger valves? how do you think they performed after ? Pro's / con's . Dont tell me to buy trick flow heads or AFR's. Thats not what i asked. Thanks

RE: Anyone put bigger valves in stock 351W heads?
 

do u have 1969-1970 351w heads? if not then they are just the same as a reg 302 head

RE: Anyone put bigger valves in stock 351W heads?
 

Thanks. Yep I am aware of the DO0E heads having bigger vales in that year. And yes I have a few pairs. But has anyone had the heads cut to accept bigger valves?

RE: Anyone put bigger valves in stock 351W heads?
 

i had oversized valves put in my 69's back in 82, but i have since had alot of chemicals in my brain and dont remember what size.
:D

RE: Anyone put bigger valves in stock 351W heads?
 

yeah take to machine shop



i have them on now, 1.94 intake and 1.6 exhaust.


but I paid for more work and since he was behind on the mortage , I got a GREAT deal. $500 bought em rebuilt with valves and stage 3 port job, chopped ..010