My 1951 4 speed does have synchros for 2nd gear. I find that thicker oil helps the sychro operation. I use 85W140 for mine. You can also give it a little touch of gas as you are downshifting and that should help.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!