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May 12th, 2002, 10:30 PM
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Stage-2 Front Cam Bearing Hole(s)
I have a new 4.1L off-center block and noticed
that the front cam journal has a hole drilled at the 6 o'clock position and another semi-drilled hole at the 1 o'clock position (leads towards the driver's side oil gallery). Setting it up for hydraulic roller and wet sump. QUESTION: - Should the semi-drilled hole be drilled all the way through to the oil gallery?? TIA.     
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May 13th, 2002, 02:13 AM
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Oil comes into the cam from the 6 o'clock hole, goes around the groove in the cam and exits at 1 o'clock into the lifter oil galley, so YES this hole should be drilled all the way through, it will supply oil to the lifters on the drivers side
__________________
Bill Anderson Anderson Performance Automotive 8209D Rosebank Ave. Baltimore, MD 21222 410-282-9335 gettin tired of it...quick!
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May 13th, 2002, 11:45 AM
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Also, let me stress this for you.
Make sure your machinist lines the cam bearing hole up with the groove in the cam If not, bad things will happen.
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