I use a shift light and look at the tach after the gear change to see if I'm driving through the clutch down track. I always watch it in the water and the stripe. When I had the 5-speed (3.27 low gear) in the car and 4.56 gears I shifted so fast into second it was hard to avert my eyes to the tach
Gus
64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60