| Lenny | -- 08-13-2013 @ 1:03 PM |
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I put new plugs into my 37 this spring. The plugs are fouling with black carbon, not oily. The only thins that I have changed: -New Stromberg carb. -Non-ethanol premium fuel. Last year I did not have this problem. Lenny
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| supereal | -- 08-13-2013 @ 2:40 PM |
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Black, sooty plugs are a sign of an overrich fuel mixture. I suspect your new carb is the suspect. Almost always, the last thing you did was the cause of a new problem. If your Stromberg carb is a model 97, it isn't a surprise. They are notorious for this kind of problem. If it is a new carb, check the fuel bowl level. This carb uses an "emulsifier", rather than main jets, and requires special tools to remove and/or adjust. If you need it, I can post some info.
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| Lenny | -- 08-13-2013 @ 4:31 PM |
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It is a Strom 97. New out of the box. I'm not a wiz mechanic, but any help would be appreciated. Lenny
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| 40 Coupe | -- 08-14-2013 @ 5:01 AM |
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Max Musgrove is the Stromberg warranty man. I would contact Max explain the problem and return the carb. to him if necessary. You need a special wrench to remove and install the main jets. warranty@stromberg-97.com
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| 39 Ken | -- 08-14-2013 @ 5:48 AM |
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Great minds think alike Mac ('>)) Lenny, if your 97 is a British built and is brand new, Uncle Max is the go to guy on the Stroms. If a re-build, I would still call Max to discuss the problem. Contact him here: http://97-express.com/ You may have to cut and paste into your browser.
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| supereal | -- 08-14-2013 @ 10:58 AM |
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As requested, I am attaching a page from the 1938 Ford service bulletin pertaining to the Stromberg 97 carb. There are actualy three pages on this subject, and I will send the other two if anyone is interested. An overich mixture could be a float level problem, too much pump pressure, or an elmulsifier tube that isn't properly seated. As the page shows, a special tool is required to address that.
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