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09-15-2020, 04:40 PM | #1 |
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Carbon on plugs and piston tops
Would you suggest using Sea From cleaner to remove carbon?
Engine is a 51 EAB Flathead |
09-15-2020, 06:58 PM | #2 | |
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Re: Carbon on plugs and piston tops
Quote:
The piston tops on some modern production engines and many after market performance pistons have a coating applied to them {which is an expensive process} that acts as an additional heat barrier. Carbon on the top of the piston is actually a good heat barrier if its not creating a carbon knock I would leave it alone. Ronnieroadster
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09-15-2020, 07:55 PM | #3 |
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Re: Carbon on plugs and piston tops
I think we need a little more information from the O/P. Since a "51 EAB Flathead" is not a a factory combination, I think the O/P should provide us with a little more information about what he has.
Also, I fail to see what the reference to modern engines has any relevance here, |
09-16-2020, 09:52 PM | #4 |
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Re: Carbon on plugs and piston tops
I believe Ronnie was likening the carbon buildup on a flathead piston and its attendant heat rejection qualities to the more recent application of modern coatings on pistons of later model engines.
Both serve a useful purpose as long as the carbon layer doesn't get too thick and cause interference problems or preignition. Terry
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09-17-2020, 08:40 AM | #5 |
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Re: Carbon on plugs and piston tops
Can you not try a little water down the carb with motor rpms up?
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09-17-2020, 02:22 PM | #6 |
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Re: Carbon on plugs and piston tops
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09-17-2020, 02:30 PM | #7 |
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Re: Carbon on plugs and piston tops
To answer the O/P's question, a lot of folks I know (including myself) use Seafoam for this purpose. Just be prepared to really smoke up the area if you do it right. "drolston" has the technique about right, except the on last dose, we poured in enough to stall the engine out. Then let it sit for 10 minutes or so and restart it. That's when you get the billowing clouds of smoke. I don't know if kerosene works as well as Seafoam, as I have never used it. It certainly would be cheaper, though.
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09-17-2020, 03:57 PM | #8 |
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Re: Carbon on plugs and piston tops
Back in the early 50s I ran kerosene in my A model. It ran pretty good just smoked a bit. Working for a dairy farmer for $20 & room & board didn't leave much & of course school. Had to milk the cows before school & clean out the stalls before school. No shower just change clothes & go. Must been really good perfume ha ha .
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