you can replace a guide or two without pulling the head but the cam and bearings have to come off and the likelyhood of some of the others needing the same thing right after you go thru the procedure is right up there with murphy's law.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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