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boyt911sc boyt911sc is online now
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Join Date: Mar 2002
Location: Philadelphia, PA
Posts: 8,911
Strange numbers you got here.........

Originally Posted by mb911 View Post
So I have the following measurements

Layshaft=A 2.035"
Right sprocket 3 shims = 2.030"
Left sprocket 4 shims = 2.035"

So backwards to a point but cam boxes and cams are from different engines



The difference for the left and right alignment distances is 54.8 mm (theoretical). I am not sure where you are doing the measurements but your numbers are way off the chart. What do you mean layshaft = 2.035? How come this is the same as the left sprocket? Please use mm instead of inches for better communication.

Are you aware that the sprocket orientations (offset) when installed are different from left to right? Left sprocket offset facing outward, right sprocket offset facing inward. Take a look at the picture below:

Are we on the same page?

Old 06-06-2018, 01:15 PM
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