Check the exhaust for excessive back pressure, the symptom sounds like that or plug wires, but u replaced those so suspect exhaust restriction.
I would still have the exhaust back pressure checked, other things can cause back pressure like collapsed muffler baffles, seen it many times.
I know u don't have a converter, mufflers plug and so do double walled exhaust head pipes.
does this engine have a carb?
u may have a plugged/defective power valve in the carb
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yes and plugs too
I dont have a converter on it ,Straight duell exhaust New plugs and wires
It runs real good it just has these moments and then she runs fine.Idles good ,quick start.Maybe a vacume line?
Where are the muffler baffles located
I dont have cat converter,I have Dual exhaust straight from the manifold on each side
yes it has carb
OK Thanks Ill check it out
have the plug wires been replaced?
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