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Kirkham Motorsports

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  #11 (permalink)  
Old 05-03-2007, 07:14 PM
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Join Date: Jul 2002
Location: Greenville,sc, SC
Cobra Make, Engine: Kirkham 427 (KMP 266); CAV GT40
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Well , I put the 40mm chokes in today and the car runs really well. I see no downside to them. The low speed manners are unchanged and the high speed performance is unbelievable. I really think 42's would be ok. I have not changed any jetting yet so after I hook up the LM-1 I will make a few changes most likely. I definitly am getting less black smoke and the plugs are not as sooty so far. If you think about it this all makes sense. How can the same chokes that typically are run on 302 cars possibly big enough for a 427(in my case 454)? I think Stefan has hit on something. Now if I could come up with a better emulsion tube.
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