slipjoint

i have a 1930 A - after a few blocks & a dozen or so shifts it shifts very smooth but when it's still a little cold reguardless of how good a double clutch i do it doesn't want to slip into gear with out grinding - second & 3rd gear - any suggestions? or is this pretty normal?
thanks - slipjoint
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Gene's Machine

Just a thought, To shift without grinding gears it is necessary to have the engine speed matched with transmission speed. These engines don't rev down very fast when the clutch is pressed, even more so when they are not warmed up well. Does it do the same thing, even if you have shut the engine off after driving for awhile, and then immediately restarting engine and go again? Try it and see. It may just be a warm up issue.