1900 RPM=70 MPH with a 26.5 inch tall tire. what is wrong with that? My car has a solid roller cam,I can run at 2000 RPM with no problem at all. A mild to moderate 400 should be fine.
I dont like to say someone is wrong,but please state why an engine cannot run at 1900 RPM? The new gm cars are set up to run/cruise at 1300 RPM some cars have double overdrive