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lite75 lite75 is offline
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Join Date: Jan 2007
Location: Bellingham WA
Posts: 842
this is a pic of my 935 heads with the oiling modification, I would not recommend this except on a all out track application. This helps pull heat out of the valves by having a oil passage drilled thru the valve guide midway, its just not needed on a street build.

75 930, 76 930, 83 SC EFI turbo
Old 01-09-2010, 12:14 AM
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