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Old 01-04-2013, 02:01 PM
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vinniekq2 vinniekq2 is offline
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could be timing(not enough) accelerator pump or pump cam.or combination of all.
start with a little more initial timing,check float leavel.advance pump cam.

you did not mention if the car surged when at a steady cruise speed,this could be lean. Ive never had any problems with a 650 DP
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