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Post by Bill_R on Jan 17, 2002 11:03:09 GMT -5
My tractor had been working bad and had no power. I put a carb kit in and that made a little difference.What I found was I had three plugs that were not firing on a four cylinder engine.When i changed the oil it was more gas than oil from the bad carburator. I put an old set of plugs in and changed the oil and it is like a brand new tractor with more power than she has ever had since i bought it. 30 pounds oil pressure. It is a 45 H. My question is this, Do spark plugs go bad with around 100 hours on them. I am running AC C86 plugs and the old plugs are the same. If i dry out the old plugs and put them in will they leave me stranded in the woods ttfn Bill R
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Post by Old_Tractor_Guy on Jan 17, 2002 20:24:52 GMT -5
My reply, for what it's worth... Normally, spark plugs don't just 'go bad'. I'd say your carburetor problem fould your plugs. I'd blast them clean (doesn't everyone have a spark plug sandblaster?? ) and keep them for spares. OTG
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Post by Bill_R on Jan 19, 2002 18:01:56 GMT -5
Spark Plug sand blaster, nope .I think i have them dried out.I put them on my wood stove for a day.I would not recommend this method if you are married.My wife spent 24 hours with all the windows open before discovering the heated spark plugs on the stove.I really dont understand why she was so mad. I will try the dried plugs tomorrow and get back to ya.If my wife hasnt shot me Bill R
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Post by Bill_R on Jan 22, 2002 8:15:49 GMT -5
I tried the original plugs again and she worked terrible.I bought a brand new set and that should cure her troubles. What a difference the carb kit made in gas usage,it is easily cut if half maybe more. Bill R
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Post by Old_Tractor_Guy on Jan 22, 2002 13:14:27 GMT -5
The sparkplug sandblaster is from the early 1970's snowmobile times. Those old two stroke motors fouled plugs like there was no tomorrow. Just trying to 'dry' the plugs never worked. I'm glad you got your problem sorted, but next time avoid the woodstove method of drying plugs. OTG
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Post by Chris-se-ILL on Feb 21, 2002 11:58:52 GMT -5
I have no idea where you bought your plugs... I doubt it was Walmart but..... There is a difference in where you buy sparkplugs these days! A big difference!
I have worked on many automobiles that never made it past the 3000 mile mark with Walmart plugs in them. Some of these discount stores buy up "factory thirds" or worse. They then sell them as though there were no difference from "factory firsts." I would suggest that you always buy spark plugs from a dealer, for your tractor. It is worth the extra money.
Also, in my opinion, plugs that have been run on flooded engines and been fouled by too much gas.... tend to develope a glaze or varnish film on them after a period of time. This results in too much resistance and needs cleaned off.
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jacobandbill@hotmail.com
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Post by jacobandbill@hotmail.com on Feb 21, 2002 13:29:33 GMT -5
I guess i need that sand blaster.The old girl was extemly flooded.Ichanged the old oil and a new set of plugs and she is a new tractor.I will get the old plugs sandblasted and give them another try. I was out in the woods today and buried her in mud and the tire chains on one side picked that inopertune time to spin off.One of the buckles unhooked,fun fun fun.
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Post by billy_b on Feb 26, 2002 20:04:27 GMT -5
Plug sandblasters are cheap. Try Harbor Freight Tools. My JD H used to eat plugs 2 to 3 sets per day. Could not afford to not clean and re-use. I also found that using old style steel core plug wires will eliminate fouling if you are currently using "new technology" for you wire selection. Measured resistance in steel core vs. silicone will amaze you. Granted the steel cores will occasionally roll the TV set.
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dave.bailey@sylvania.com
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Post by dave.bailey@sylvania.com on May 20, 2002 7:38:06 GMT -5
I have been having problems with all 8 of my old farmalls. I was using ac c86 but changed to a 388 autolite . I also started using 89 octane gas . I have also used D21 champion in my 42 distilate M , but I just switched it to 388 autolite . These are all fresh motors , I think it's a gas problem mostly . The parts stores say manufacturers are playing with the plugs #s also . If you have a plug interchage book for plugs , you will see that a C86 AC will interchange with a D16 champion plug. It's to cold and it's the hottest offered by AC . I have never been a fan of Champion plugs , but they might be better than those cold C86 plugs . Things chage and we have to change with them . Good luck , Dave
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