I recently purchased a Lyman part#375449 for use in my Marlin 336CB 38-55. When lubing the cast bullet, I need to know how many grooves to lube, 3 or 4? I have been using the top groove to crimp the case into. They are slightly longer than factory ammo, but they feed thru the rifle fine. If you lube all 4 grooves, where do you crimp the case to the bullet? Thanks for any help.