08-14-2010, 04:04 PM
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CC Member
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Join Date: Oct 2007
Location: Near Emerald,
Qld
Cobra Make, Engine: Evans kit, 6 litre, 6 speed, Jag F/R,
Posts: 366
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Not Ranked
Lash caps are also used/ called rotators or slow rotators. The valve is normally pressed down in this case just off the centre line and the cap acts as a thrust washer allowing the valve to rotate a small bit on each open/ close cycle. This is to dissipate heat evenly around the valve seat and wear evenly too. Some bigger engines have actual thrust bearings with balls.
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Missed my Cobra budget by thaaaat much.
Ya get that on big jobs.
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