Need a local speed shop and MOPAR mechanic

hey guys don't wanna hi-jack a post ,in Six Mile,SC and I need a good MOPAR MAN to fine tune my motor & carbs.,Have just gotten my 68 FASTBACK 440+6 running and need help with timming and/or carbs Runs good in shop get outside in drive and punch a bit and it detonates bad..I am disabled and leaning over the fender just kills my back. HELP PLEASE! 4406FASTBACK..Looking for good speed shop in Seneca,SC ,Anderson,SC ,Greenville,SC!