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Old 01-20-2009, 12:24 PM   #2
USMC302
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Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
Default Re: missing @ 3500 or higher when @ temp

What kind of rockers are you running and what did you do to check the pushrods? The first issue sounds like you might possibly have a collapsed lifter, I had a guy that over revved once and had the some problem you described and once he pulled all lifters, he found 3 collapsed. Also, what are you using to monitor A/F ratio and what does it read on avg throughout your RPM range under WOT? Are you using an electrical FP gauge or a mechanical?
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