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Kirkham Motorsports

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Old 07-02-2006, 06:11 AM
JCoop's Avatar
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Join Date: Feb 2006
Location: Glenwood Landing or Southampton, NY
Cobra Make & Engine: Superformance, FRP460 Big Block
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Quote:
Originally Posted by Snakebit
I port matched the carbs to the manifold. I found when mounting the carbs on the manifold as cast, the carb flange overlapped some of the edges on the manifold. A little work with a die grinder and some emery rolls smoothed things out.

What jet combination did you end up with, correctors, airs mains, etc?
I had a little overlap but I doubled up on the gaskets and that lined them up nicely. I know, this may not be best practice but I was impatient and didn't want to spend the season grinding instead of driving : ) I may do the port-matching come winter.

I have yet to pop the main jet/E tube/corrector assy. open. I just fiddled with the idle jets, which were 70s, and ended up with 60s, and the mixture screws just under a full turn out. She's humming right now so I haven't touched anything more...I may need the next richer main as I get a very slight burp at a steady 4000 RPM.
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Last edited by JCoop; 07-02-2006 at 06:14 AM..
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