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05-03-2005, 08:44 PM
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Registered Member
Join Date: Mar 2002
Location: sherwood Forest
Posts: 291
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Re: Clearance concerns
yes, i would definatly do the clay test on the valve reliefs. pull the head off and oil the top of a piston real good. press a piece of modeling clay on to the valve relief, let some of the clay hang on to the part of the piston that is not relieved also. oil the top of the clay. reinstall the head. (use on of your old head gaskets to mock this up) set your rockers up. roll the motor over by hand. pull the head back off. measure the thickness of the squished clay with dial calipers. Hopefully someone will chime in with the acceptable thickness of the squish. i dont know it off hand
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84 gt350 89 lx vert 92 lincoln lsc. All Forced ( one way or another) |
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