Question about rockers, lifters etc..

[ThirdgenTa]

I have a 355TPI with Stage 3 ported heads and a 3.73 gear. I was planning on getting a different cam, and rockers and a miniram intake. Anyway my cam specs are going to be 112 lobe, 225 duration, 106 intake and 560-580 lift. Now when I get it custom ground from comp cams, do I order it as a hydraulic or roller cam? Also what kind of rockers and lifters should I get?
Im kinda new to this and I have someone that is going to help me install it. I just need to know exactly what i need to order.

[YooperTA]

If you have an older L98 block, wich i think were all roller, then you need a roller cam/lifter combo. If its and older 350 block then hydraulic. I may be wrong on this.

Matt

[hardcoresoldier]

i would reccomend a roller lifter set up over a flat tappet design.which style of camshaft snout will depend on if your block is pre or post '87.you also have your choice of hydraulic or solid roller design.with the miniram as your intake manifold, i would reccomend comp cams pro magnum steel roller rocker.