Question:

At what ET would I be required to have a locking dipstick on my automatic transmission?

Dipstick David

Answer:

Dipstick David,

In the 2012 NHRA Rulebook section 20, page 14, 2:14 Transmission it states “All cars running 10.99 (*6.99) seconds and quicker must have an NHRA-accepted locking-type dipstick on the transmission.”