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Old 10-14-2007, 05:11 PM
BDR561 BDR561 is offline
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Join Date: Jul 2007
Location: Odessa (Tampa), FL
Cobra Make, Engine: BDR 559. 410 Stroker 72 block AFR205 Heads, Solid roller lifters, Comp Cams XR286, Eagle 4" stroke internally balanced with chevy journals, Oliver rods, Probe Forged pistons, Mighty Demon, Super Victor, MSD Digital 6.....
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Jac Mac,

I just got done watching the video of him degreeing in the cam and checking the valve clearance... Degree was done correct and right on... The clearancing is another issue... He used Play Dough, The CC checker springs and torqued the head to 10lbs!!

After running through the cycle he pulls the head and I can see how the valve has pushed the play dough out and I can see the piston top right where the damage is on the pistons. I'm assuming with the correct torque of the head and heat expansion would account for the rest!!!

In my book, it FAILED and was not correctly clearanced
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