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#1
01-30-2011, 08:39 PM
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2000 C2500 Sprocket Marks
2000 C2500 350 Vortec.
In the manual that I have, it says that when installing the cam sprocket, the mark on the crank should be at 12 o'clock and the mark on the cam sprocket should be at 12 o'clock also. I have also noticed on the internet that the mark on the crank should be at 12 o'clock and the cam sprocket should be at 6 o'clock.... Which is correct? Thanks The vehicle is a 2000 GMC. Old body style. Last edited by 20GMC00; 01-31-2011 at 07:51 AM. 
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#2
01-31-2011, 11:09 AM
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Re: 2000 C2500 Sprocket Marks
They are actually both correct. With the cam @ 6:00 it's easier to get the marks lined up correctly. However in this position #1 piston is at TDC on the exhaust stroke and #6 piston is at TDC on the compression stroke. Rotating the crank one full turn will put the cam @ 12:00 and #1 piston at TDC on the compression stroke which is were it needs to be to set the distributor correctly.
Hope this helps.
__________________
57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser
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