07-19-2010, 03:13 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
I think the theory is it's an awful big cavity to fill with grease just to have it run out the ends when it warms up. I make the plugs for Jags with a grease fitting for 3/4" holes.
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