Click the link on my sig and type 'headgasket', 'head bolts' under seach. That'll answer most of your questions!!!
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Olympus Evolt E-510, E-520, E-30 x 2
11-22mm f/2.8-3.5 Zuiko Digital
14-54mm f/2.8-3.5 Zuiko Digital
35-100mm f/2 Zuiko Digital
50-200mm f/2.8-3.5 ED SWD Zuiko Digital
Cybersync wireless trigger
FL-36R, FL-50R, Metz-48, and Vivitar 285HV x 3