I have done my block and my manifolds. Bandsaw close, grind closer and then i hand filed to keep the shape blended. After that use a Dremel or Right angle die grinder with 3M pads.
There are some pics on my thread "Why would I want to Vortec"
I will link it.
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72 3/4 4x4 350 4spd
72 3/4 4x4 350 auto
2004 Duramax Silverado 4x4
2006 Duramax Crew cab 4x4
2010 Harley Ultra Limited
2011 Harley Street Glide
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