I would think putting the hard rockers on would not be an issue.

I also would think that the cam at this point is suspect, though.

If you don't want to change the cam at present I would just do the rockers and realize that down the road the cam probably will need changing too.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.