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Old 04-14-2006, 09:36 AM
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Humbucker Humbucker is offline
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Join Date: Dec 2004
Location: Chattanooga, TN, TN
Cobra Make, Engine: Superformance #1408
Posts: 80
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Quote:
Originally Posted by davidlee
Mine did the same thing except it was consistant at 2100 2200 RPM. I finally found out the problem was in the transition circuit of the carb. I replaced the metering block and the problem went away. I actually had a defective block as no fuel was getting to the engine during the transition. It went from the idle circuit to the mains. The car would take off ok then stumble them bam blast off like a rocket. It was kind of embarassing in traffic, looked like I was trying to race every time I took off.
David
Wow... You hit the nail right on the head with describing my problem. I'm going to check it out today and see at exactly what rpm this is happening.

Could a bad metering block gasket cause this to happen as well? I was told by a friend mine could be reused.

What makes this kind of strange is it ran fine for years before these upgrades. I hope it's not a defective block.
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Jake - Ringgold, GA
Superformance #1408
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