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Old 07-19-2013, 02:34 PM   #1
Straight six
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Join Date: Aug 2012
Location: Newington ct
Posts: 177
Dieseling issues

Hi Guys,

Need help just installed new hei and 4 barrel edelbrock 500 cfm carb on my 1978 c15 4.1 250. It's backfiring ,no power, erratic idle, flooding and the dieseling is getting out of control it's stumbled for two minutes after shutting off. I don't know what to do is it a timing issue or idle mixture issue or to much fuel pressure?????
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