Check out the links for driveline angles in the 12bolt carnage thread. Thats the method I used when I put new perches on my axle. They didnt come out perfect but, no vibrations. I got it within 2 degrees. I also took my shims out.
PS: swb or lwb Blazer? I thought they were all the same.
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The more I learn about women, the more I love my truck.
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