Classing as a different year

[Ed Fernandez]

Originally Posted by pfordamx

How picky is NHRA about the claimed year for a vehicle if say i have a 66 and would like to class as a 67 to run a certain engine combination the only difference in the cars is the tail lights and trim and dash. do i need to swap the tail light panel and trim and dash complete the illusion or simply class in as a 67?

If it's an American let 'er rip.