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05-03-2014 12:48 PM #1
question on compression cranking readings
Question is on a 454 bbc stock bore 4.250, stock stroke ,118cc cumbustion chamber aluminum heads,block zero decked, .040 quench, stock GM LS6 forged .100 domed pistons.cam is a bullet racing mech solid lfter dur. @ .050 is 251/259 seperation 110. grind # CHB 277/289-10F. degree intake lobe to 104 icl gross valve lift .620. cam indexed straight up.
compression test readings 125-130 on all cylinders.
Are these readings about right for this setup.
I apreiciate you posts, thank you.
JimLast edited by jimbos56; 05-03-2014 at 05:25 PM.
I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy