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NHRA Tech Department makes corrections to the Stock Car Classification Guide

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