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not sure what's up with all that math but you can shim up your shafts. I had to do it on an old 383 I had that was decked and heads were milled. Any spped shop should have the shims you need.




the shims available are just pieces of bend sheet metal with a constand material thickness. Such shims will leave a gap in the lowest point of the shaft saddle and I am afraid of loosing oil pressure were the rocker shafts are feed. Btw. Dimensions in the sketch are metric...