Multiply your 1/8 et by 1.57 to get a pretty accurate 1/4 mile time. UNLESS you car is set for 1/8 mile. BTW the NHRA 4.50 for the 1/8 is ludicrous as 4.50 pretty much a 7.00 run..A long way from 7.49
"I am not ashamed to confess I am ignorant of what I do not know."
