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Old 09-08-2011, 11:05 AM
rms427 rms427 is offline
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Original Shelby Owner


 
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.
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Default 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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