July 24, 2018

The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows.

AMC 390 340/433 change to 390 340/436 AMX SS

Chev 427 425 separated iron Vs. aluminum heads 1969 full size  

Chev 427 425 separated iron Vs. aluminum heads 1969 Chevelle

Mopar 426 425/456 change to 426 425/450 1964 Belvedere Stk

Mopar 426 425/461 change to 426 425/456 1964 Belvedere Stk

Mopar 273 180/174 change to 273 180/166 66-67 Belvedere Stk

Ford Sedan 2 Dr GT change to Sedan 2 Dr Hatch GT 1988 Mustang

Ford Mustang corrected shipping weights 1989