50 Ford 8ba spark plug fouling problem Installed H10c spark plugs a few years ago and have a fouling problem.
Need recommendations regarding best plugs to use for 50 flathead that is used on a limited basis. Thanks |
Re: 50 Ford 8ba spark plug fouling problem I use Champion RJ14YC spark plugs. They have a long snout that resists fouling. I know that many consider Champion to be undesirable, but I have used them for decades. I set the gap at .028. If the fouling is fluffy black, that usually indicates an over rich fuel condition. H-10 plugs have a long history of fouling.
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Re: 50 Ford 8ba spark plug fouling problem If the engine has some mileage and you don´t drive it hard i would go one number hotter plug...
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Re: 50 Ford 8ba spark plug fouling problem Thanks, I will take you advise
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Re: 50 Ford 8ba spark plug fouling problem I have had good results using the Autolite 216 spark plugs in my '50. Pat
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Re: 50 Ford 8ba spark plug fouling problem Plugs don't foul because of limited usage. There is an underlying problem (fuel, ignition issues/timing, oil consumption).
Another easily correctable cause is starting the car for 2 minutes to "circulate the fluids". |
Re: 50 Ford 8ba spark plug fouling problem Check any new Autolite plugs when you buy them. There is a thread on the H.A.M.B. about the manufacturing now being done "offshore" and the quality has gone to hell.
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Re: 50 Ford 8ba spark plug fouling problem I have been using Champion H12's for many years and engines.
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Re: 50 Ford 8ba spark plug fouling problem Let’s get to the root cause of your problem. Even a perfect plug will foul when your running too rich, has improper timing, poor spark, bad rings or improperly seated valves.
Let’s see a picture of one of these fouled plugs?? |
Re: 50 Ford 8ba spark plug fouling problem Quote:
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Re: 50 Ford 8ba spark plug fouling problem i agree with these boys you’ve got something else going on there lve used champ. H 10 in my 50 since i’ve owned it 22 years my friend has a 40 cpe. 35 pk. up. also uses champ. no problems how many of them are fouling ck compression is the ignition system strong and i hate to say it again but don’t forget maybe sticky valves ad some mmo to the fuel best medicine the old girl can get
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Re: 50 Ford 8ba spark plug fouling problem If you are experiencing plug fouling, resist placing MMO or any other additive to your fuel tank or crankcase. Performance improvement is very rarely obtained from a bottle or can.
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Re: 50 Ford 8ba spark plug fouling problem I just had a similar situation. Limited use , fuel evaporates but the MMO doesn't . Drove to the show smoking a bit , filled the tank , smoking was gone . Then I remembered adding 8 oz of MMO to 1/4 tank and I forgot to fill up last time .
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