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Flieger Flieger is offline
Max Sluiter
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Join Date: Mar 2006
Location: So Cal
Posts: 19,572
Some 935 exhaust valve guides had little cooling fins at the top to increase surface area to help cool them as oil splashed onto them.... maybe they all should.
Here is a photo of the 935 exhaust valve oiling modification machining to the cylinder head to get more oil to the guide.

1971 chassis, 2.7RS spec MFI engine, suspension mods, lightened

Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
Old 12-29-2009, 11:54 AM
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