IMO those charts are a ball park and doesn't account for a good sixty foot. I ran the same et in the 8th as you did with a mph less at 108mph and ran 9.94 @ 134mph in my full weight T-type. That's a 9 sec car for sure, add 2 more pound of boost and its 9.80 car. With all these calculators/charts it says you need a minimum of 152mph to run in the 8's, John Plogg did it with 147mph and a killer sixty foot.