Tranny Brakes

[Travis Miller]

Originally Posted by oldskool

I see that tranny brakes are legal in Super Stock. Does anybody remember exactly what year they were made legal ?

The 1978 NHRA rulebook is the first year that states "TRANSMISSION BRAKE: Allowed " in S/S.

At the 1977 Indianapolis Nationals, 17 S/S cars were discovered with (at the time) illegal trans brakes. The following year trans brakes were allowed in S/S.