Hey i found a pair of vortec heads in for sale for 400 that has been rebuild.Can i put them directly on my tbi 350 with now problems or should i just get them and port and polished them and put a cam in it to?iI just realy what to know is is it a direct fit and would the tbi set up go on top of it,plus well i get any power gains and fuel milage out of to so if any one has ran vortec heads on there 350 tbi let me know how yall like them and what yall had to do to make it run right thanks