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Old 05-12-2005, 01:08 AM   #1
karl
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Join Date: Dec 2004
Location: grand terrace , caifornia
Posts: 338
Check this Dusty Fox

regarding the 77Big 10 chevy w/6050 lbs. your wrong about the cat converter. go to this site and be enlightened ol grasshopper. what i am not sure of is the egr. but maybe not since this is considered heavy duty truck emissions which are different those years. read and see. the adress is:73-87.com/7387info/7387emislevel.htm
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