Thread: Stumped!
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Old 06-24-2012, 02:48 PM
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Karl Bebout Karl Bebout is offline
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Join Date: Jun 2001
Location: Mesa, AZ
Cobra Make, Engine: ERA #2119 289FIA
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Jeff, The intake is an Edelbrock RPM Airgap, dual plane. The carb is 1 Pro Systems The crank pulley is 5 1/2" and the WP pulley is the standard 6 1/4". Got about 7" vacuum at 800 RPM idle and then 14"15" at 2000. I dropped the total timing back to 36* with about 19* initial to try to make the engine a little easier to start. It was really grunting to crank when the engine was hot. My exhaust is so loud and my ears so bad, that I really doubt that I would be able to hear any pinging. The balancer is brand new and I set the pointer at TDC while the heads were off and I was sure #1 was at TDC, so I feel confident my marks are good. Are you meaning I should close all the idle screws, one at a time to see if the engine dies? I don't know if I can get much of a vacuum increase with the screws, considering the cam specs. I'll give it a try, just for grins. I've not noticed black smoke but it certainly smells rich.
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