it may be the momentum as we call it in model trains. Or inertia set up setting. Go back to your SD card and set that to 0.
I recall I set mine to a low number and it was way to delayed. For set up I put it back to 0.

How many Willys have you restored? Ive done my share. All military, even had that unicorn called the VJ35U for a number of years. Spent many years in it and my M38a1 as daily drivers commuting.