Hi I Am Tony Lentini-i Owned A New 1963 Chevy Super Sport Hardtop-409-425 H/p Dual Quads -4 Speed Posi Rear --back In The Day-i Held The Track Record At Islip Speedway In New York For Four Years Until The Track Closed There-i Do Not Have A 409 Now-but I Am Sure I Know How To Make This Car Run-with A Good Deal Of Work In Suspension And And Engine Tunning Tricks-i Did All The Work Myself-it Has Been A While But I Am Sure I Can Pass On Some Hands On Experiences That Will Help Many 409 Owners Cars Run Stronger Than Ever Before-that Is Why I Am Here-and Hope To Be Of Much Help In The Future Regards---tony