| OLDTMR | -- 11-27-2019 @ 4:09 AM |
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Believe my engine is running too rich, pulled the carb yesterday and it has .045 jets, have another one with .048 . Seems like they should be much smaller ? Suggestions welcome. (using a Stromberg 97 on a 46 engine)
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| 40 Coupe | -- 11-27-2019 @ 4:40 AM |
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The factory jets for a 97 are .045" best to check them, since they could have been modified, unless you buy new. The factory main jets for a model 48 are the .048" What plugs are you using? Mechanical or electric fuel pump? What is the pressure? 2 to 2-1/2# max
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| ken ct. | -- 11-27-2019 @ 4:48 AM |
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.045's are stock MJ's for a Strom 97 / . Should be A OK for a 46 flathead.. Ealier stroms Model 48 used .048 jets.You could have a leaky power valve.thou its not too likely as stroms have a mechanical one but its possible they are # 65. ken ct 1-203-260-9780
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| ken ct. | -- 11-27-2019 @ 6:48 AM |
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I would say try a hotter plug ? ken ct.
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| TomO | -- 11-27-2019 @ 7:29 AM |
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Sooty plugs can also be caused by too much idling and by not driving the car long enough for it to reach operating temperature (about 30 minutes after the dash gauge indicates the engine is warm). The Ford model 59 carburetor is better suited to your engine than the Sromberg 97. When properly rebuilt, it will perform better than the 97;. Tom
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| OLDTMR | -- 11-27-2019 @ 8:46 AM |
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H10C plugs, electric pump in line as well as regular , not sure how to check pressure or what to use for that ? But, I'm listening for advise.
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| 40 Coupe | -- 11-29-2019 @ 5:52 AM |
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If you have a good vacuum gauge it can be used to check fuel pump pressure as well as vacuum. This message was edited by 40 Coupe on 11-29-19 @ 6:01 AM
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