Wallace says IDEAL for your 1.75 60 is 7.95, 85.5 so you're right there, considering unknown cam. Wallace also says adding 100 (IF it will hook at the starting line) should get you to 7.39/7.40s. I think 7.50 is very realistic.
(Stuck in Arizona, missed seeing your runs)
When I get back we could arrange a loan of my 850 dp, for giggles.
