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				04-20-2016, 09:35 AM
			
			
			
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			|  | CC Member   
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					Join Date: Mar 2010 Location: Williamsburg, 
						VA Cobra Make, Engine: SPF #2920 w/ Keith Craft 408 
						Posts: 250
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				 Boiling Fuel 
 Entertained my friends at last weekend’s cars & coffee by showing them how the fuel boils in the sight glasses in my carb bowls.  
 Engine is a KC 408 with a quick fuel HR-750.
 
 Symptoms also include hard starting (when hot) and bucking/lurching under slow/low throttle conditions.
 
 QFT sells a phenolic ½ carb spacer (part # 300-4000) and a quick cool insulator (part # 300-4013).
 
 Anyone tried either?  Not sure I like the looks of the quick cool insulator heat shield…
 
 thanks
 
 Bob
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