truck jerks randomly

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1983BETTY

Junior Member
Joined
Mar 16, 2014
Posts
1
Reaction score
0
Ram Year
1983
Engine
slant 6L 225
So I have a 1983 D150 and I put a rebuild in it about a year and a half ago, and about 2 months after the install it started jerking around 55 miles an hour give or take. but wouldn't do it all the time. but now seems to do it more and more often and at lower speeds...it seems random. I tired new plugs and wires and new carborator. now im not sure what to do.. honestly feels like the transmission is slipping, but not sure it that is really the problem because its so inconsisitant. I'd rather have some idea what the problem is before I take it in...
 
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