1999 Maxxum versus 2000 chev Blazer Vortec 4.3

[rvinny]

i had a vortec 4.3 orinally in boat then the block cracked a distroyed the motor got a chev 2000 vortec low milage, im goin to put in the right cam but merc wants 315.00 for it mighty exp. i thought anyone no were i can get 1 cheaper than that also will the push rods and rollers be ok to this cam? and timing gears? ty........ Ron