Hey everyone.... I recently got a 08 f250, king ranch. The truck had 170k on it but, was clean beyond belief. Anyway, it started with the notorious thumping back in the intake. Upon research, I found that rocker arm failure was pretty common with these trucks. I pulled the valve cover last night to find more than worn rockers. This is the true meaning of why people need killing. The part that kills me is that, where they put the shim was on one of the better rockers. Also, if anyone knows where to buy rockers besides the Ford dealer, I would appreciate it. Ive seen them online for 240 a set/assembly but they are on backorder. Ford of course wants 600 per assembly!! Thanks in advance.
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