04-30-2014, 07:38 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Jon: Just a thought a little out of the box....With the carbs syncd and idle set. How far do you you have each idle mixture screw open? And can you kill each cylinder by screwing each one closed indepedently? If there are cylinders that dont respond to the idle mixture screw it's possible the port is plugged or the edge of the throttle plate is not exposing the port to manifold vacuum. Id be using a 100 idle holder and a 60 or 65 jet.
Shouldn't require more than that. Also what are you cam specs.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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