09-26-2010, 06:21 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
if you pull the head check the cylinder for scratches. Lainhart had a smoking problem with his 427 s.o.
It would smoke when you accelerated from 50 mph. It would not smoke at idle or cruising at 50.
I pulled the intake thinking it would be the gasket. Could not find any sign of a problem. Pulled the head and found two small scratches in number 2 and 4 cylinders.
Lainhart took the motor to Keith Craft, who honed it .002 and replaced the pistons. He also installed a stroker kit. Now it's a 487 S.O.
Dwight
P.S. the only thing that smokes now, is the back tires. 
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"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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