I've never been crazy about the cleanliness required when assembling serrated-fit caps onto rods. The "points" of the serrations appear to be full-dimension (rather than truncated), resulting in the tiniest piece of debris interfering with the fit and creating stress risers. I wonder whether such stresses might cause eventual cracking in the area yours cracked?
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons?
... or has built a record breaking DOHC hemi four cylinder Pontiac?
... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967)
... or has a Pontiac born the same year as Jim Wangers? (1926} 
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