a few questions for the experts. IM planing on getting a dart big M block. Wich cams fit it mark4-5-6 some places list differnt cams for the differnt gen of blocks Howards lists the cam i want under mark 4 will it fit the dart block or will i have to get a custom grind to those specs made to fit newer block . WHAT is the differnce in them ?
HAS anyone used those isky easy roll solid roller lifters ive herd way to many horror story about roller lifters looseing the pins out of them . HOW do they hold up?