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Old 03-21-2013, 07:48 AM   #9
ncontt
pro-jackstand racer
 
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Join Date: May 2005
Location: Milner, Ga
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after doing some research, it is because the groove in the exhaust valve is lower than the groove on the intake valves. Valves are stock valves. Install height now is 1.99" (top of the head where spring sits, to the top of the spring/bottom of retainer) I "believe" they call for an installed height of 1.94" therefor requiring that the spring come down another .o50" which would give me the room I need on the rockers....I "think"
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