340 Cam Kits which ones work with a stock block

you can design an easier on the valvetrain master or a more velocity without increasing acceleration or a faster action or anywhere in between
All I was trying to say is there can be a wide range of profiles with 218 (or any other) @.050
and
seat timing is more important
268H
268 AH 10
oh please something from this century
those old grinds can make hp but cost torque- or vice versa

OP stock 340 converter to start don't spend big bucks till you find out where you motor stalls a stock converter
2ed
It's not changing the springs it's that they are so short and there is not much clearance between stem seal and keeper
someone weigh in about how much lift you can utilize without cutting the guides