Installing Custom Roller Cam per FABO reccomendations

Wyrmrider said
true of shelf chevy grinds, not true for modern grinds unless Racer is channeling new profiles
No Ultradyne hyd profiles from Harold either

Jim has many new lobes. You have to ASK him about them. He won't sell you a new lobe for a head and intake system that is 50 years old.

90% of the guys out there won't know the difference. Especially in a street car. Much ado about nothing when it comes to lifter diameter.