Why is my top speed 70 mph?

RustyRatRod said
Did you actually DO the test I outlined?

R.R,R,. gonna go out on a limb, here. The experienced people , have a built in flow chart.( You , myself, KrazyKuda, 66 Sedan/Keith..., know this, by experience). This internet guy, may not have that guile , or that frame thought.