12-10-2017, 06:48 AM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine:
Posts: 72
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Not Ranked
pinging
my mechanic now saying my 402w is pinging under load.. normal driving its ok. once you hit it you can hear it. 402w. AFR205 heads. HR cam from comp.XR282RF. small cam for street car.. low mid range.. he is trying different timing settings. even with 50 50 mix its still pings.. pretty bad.. next is the MED dizzy. mech.. weights springs etc.. might have to run full 110 until I can figure on what to do.. hate to pull the motor out again.maybe I should have kept the bigger cam in. 240-248-624-600-110 with this engine. new motor only 100 miles since new plus dyno pulls.. vic jr with a 950 carb.. any ideas?
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