Re: 1951 F4 loses power in 4th gear?
if rpm,s climb when driving and truck slows down, I bet the clutch is bad, unless the free play is wrong,, you need about 1 to 1 1/2" free play, if its less than that the clutch is adjusted to tight and letting the clutch slip on the fly wheelpush clutch down with your fingers, when clutch lever quits moving using your fingers measure the free play
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