1975 75 horse chrysler

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Posted by ron ( on June 03, 2005 at 20:07:29:

my motor starts run and idles like a new one...and runs good up to about 1/2 to 3/4 throttle...but when I try to run at full throttle it surges like it is starving for fuel...back off the throttle and it still does it a little but runs better....has new fuel pump,new hoses, new primer bulb, and carbs have been apart and cleaned....any ideas....could this be a timing issue...or maybe need carb kits for some new jets....must mention that previous owner replaced timing belt...I assume he has it set right

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