You can't determine pushrod length with any sort of accuracy until you've got the cam installed, heads bolted on, lifters in the bores and rockers snugged down. Then you really need an adjustable checker pushrod to determine what you need.
Millions of factory built engines would disagree with you.
Factory tolerances are measured with a yardstick !
This isn't the race forum and he's using a broomstick for a cam. Factory tolerances are more than adequate here.
Advertised Duration 288/298, Lift .444/.466
