Autolite Spark Users Only My 36 runs very rich, carb has been replaced and adjusted more than once. Current plugs are Autolite 388 and by what I have read that is a pretty hot plug. Plugs are black as well as the tail pipe, no smoke. I see a lot of people use the 216 or 386. Should I stick with what I have or try something else? What do you use "Autolite users only please" not to confuse the matter.
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Re: Autolite Spark Users Only I use Autolite 216 in my 8BA 276" engine with a Rochester 2G carb. My plugs show a medium brown color. I'm unsure how much effect the rest of the ignition system has on the plug color. Dirty points and plug wires with high resistance could affect plugs.
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Re: Autolite Spark Users Only I run 386's on the Early engines with the 18MM thread size with ZERO issues. On a stock engine, a 388 Autolite should perform fine as well although it is supposedly a heat ranger hotter than should be run... or so I'm told
Also, in recent years I only run autolites of NGK |
Re: Autolite Spark Users Only what carb do you have on your 36? Stromberg or Ford 94 type? I use and recommend auto lite 216. power valve can be leaking in a 94 and cause this problem
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Re: Autolite Spark Users Only I don't know I just bought the car and I'm trying to figure out all these things out is it on the carburetor itself? Also I like to determine the engine model which has been replaced.
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Re: Autolite Spark Users Only 1 Attachment(s)
There is an article on ID engines, I'll have to try and find it. Evolution of the Flathead is a good article, but my copy is like 3.4 Mb and too large to load.
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To me the most obvious thing to do is to address carburetor jetting, etc. And it could be something as simple as a clogged air cleaner. |
Re: Autolite Spark Users Only I'm sure that will be a discussion for a later date, I have many things to sort out before I address that. I was just curious what others were using for plugs, I didn't read many using the 388.
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Re: Autolite Spark Users Only 2 Attachment(s)
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I'm not sure what carb this is, I can't find any markings on it. |
Re: Autolite Spark Users Only Stromberg carb, so I would think too large jets, back up and take a picture of the engine head. take the air cleaner off and make sure it is not clogged up, It appears to be a dry type and the "cleaner" part of the air cleaner is a wrapped up bunch of fiber mesh just under the top cover ,remove wing nut and take it off and then remove this and see if the richness goes away
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Re: Autolite Spark Users Only The Model 40 Strombergs had no markings... But his is a Chinese knockoff of a stromberg,.
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Re: Autolite Spark Users Only IMO you need to pull the carb and send it to one of the rebuilders here on the Barn and have it checked out/setup. Running a engine with a very rich mixture and lead to premature ware on the cylinder walls and rings. A carb fix is way cheaper and easier than a rebuild. The early repo carbs have known fuel leakage issues. In fact, it is my understanding that the really early ones can not be repaired (for a reasonable price) and you are better off with a new/rebuilt one.
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Here is a pic of rich on my Autolite 388 plugs, one doesn't look too bad.
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Re: Autolite Spark Users Only I did not keep track of there position I will get new plugs after I deal with some other issues and monitor more closely. I agree that one is worse than the other. I will check to see I have three others that are really black.
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Re: Autolite Spark Users Only Only one real black one out of the 8
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