I just bought some heads on ebay they are off of a 2000 corvette with about 38000 miles on them & they are cast #853. i bought them to use on my 98 ta but i wanna have them ported. if you guys know and good shops in are area let me know. also wut do you guy think i should do with them porting wise as well as valves and anything else. any help and info would be appriciated thanx