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#1 |
Registered Member
Join Date: May 1999
Location: Georgia
Posts: 3,866
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![]() AFR heads have weak valve springs from the factory. Thats why they recommend a cam with lifts below .500, like the e-303 with its .498.
I would recommend a comp. cam. Look through thier web page and get something around 215/220 duration @ .050 and .530 lift. And upgrade those valve springs. You can order better springs from AFR also as an option. |
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