
09-08-2011, 11:05 AM
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Club Cobra Member
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Join Date: Dec 2002
Location: Penn Valley,
CA
Cobra Make, Engine: Purchased CSX3225 in 1968 for $4,995. Original 428 car but changed to 427 MR about 20 years ago.
Posts: 238
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Not Ranked
Engine dies when cold?
My 427 side-oiler will not stay running when cold unless I keep the rpm above 1,500-2,000. After a few minutes it runs fine and idles at 800 to 900 rpm. This started a while ago after several years with no problem. I thought it was caused by old gas but I ran down to 1/4 tank and filled it back up and still have the problem. I have not run a choke on the car and have a 800 cfm holley double pumper and 6al ignition. Any ideas what is causing the problem?
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