I assume your 1947 D-24 is a fluid drive car. Why do you use 1st gear and why do you use the clutch? In my D-24 fluid drive car I back out of the garage and use the clutch to shift to 2nd gear. That is the last time I use the clutch. I easily accelerate from a dead stop in 2nd gear without using the clutch. When it is time to shift to 3rd gear I drop the lever to neutral and put a slight downward pressure on the shift lever and it slips into 3rd without grinding. When I come to a stop light I move the shift lever to neutral and put a slight pressure upward to the 2nd gear and when the slow down speed is correct it pops into 2nd gear without grinding and without using the clutch. I hold the brake until the light turns green then hit the gas and repeat the above procedure.