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Hopefully you have time to research this deal, and figure out what is going to work best for you. Those Gold rockers aren't as stout as some rockers from what I here, and it may take some research to figure out a combo that is right for your deal. The right amount of spring, lobe profile and lift will all come into play. There are a number of guys on this board that have run those rockers, myself included. I didn't run enough spring or rpm to hurt mine though. Good luck with it, and keep us posted.
Thanks Greg I been working on this combo for about 3 yrs now and I bought all these parts WAY b4 I knew what I was doing lol. truth be told the cam duration thing really has me confused some say I have too much some want it lower just don't know 
71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
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