ET'S with ported J/or other iron heads SB

6.40's on Bottle. 7.40-7.50's on throttle. 6.40's would be in the 10's. Just go re-read it.
No it ran 6.90 all day long probably a 1,000 passes over the years.
It did run a handful of 6.86-6.89 the class was 7.0 so anything quicker lost. 7.40 on the motor, if you didn’t shift into high, 7.50 if you did.