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Allis Chalmers Discussion Forum
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update -- Plugs and plug wires for AC B

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Chris Jones

08-31-2003 19:04:09




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I bought a set of copper core plug wires manufactured by Tisco from a local farm equipment dealer and installed them today in place of the carbon fiber ones I'd gotten from Napa. I must say I don't like the wires much as they were really stiff--kind of a plastic cover instead of rubber and the ends required pushing a spike into the end of the plug wire which turned out to be impossible. I ended up pulling the ends off the old wires and putting them on the new wires--the old ends are installed by stripping the cover off the core wire and turning the wire back then crimping on the end. It's hard to find a good product any more.

Once done with new wires and old ends, I can't say that it helped the running much but I couldn't test it well as it was pouring rain. I did try removing the plug wires one at a time and noted each cylinder resulted in the same change in the engine's running--and I didn't get shocked. I had tried this with the old wires and got the s*!@ shocked out of me through the insulation--also I noted no difference in the engine's running when a plug was disconnected which isn't right. So I'd say the new wires were worth the effort.

As for the plugs the Champions I have are sold as a replacement for the Autolite 295s but I might just get a set of them and see if I get any better performance.

One last note I think some of the funny sounds are a result of the valves. I worked on adjusting them some more and that too seemed to help but it is hard to adjust them as the rocker arm ends are worn unevenly and the feeler guage is too wide to check just where the rocker hits the valve--the rocker is wider and not worn on the edges. I'll try to get a slimmer feeler guage plus I need a washer to tighten between the end of the rod the rockers are on and exhaust valve rocker for #1 cyl.

Thanks for all the help.

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Thomas

09-02-2003 13:40:09




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 Re: update -- Plugs and plug wires for AC B in reply to Chris Jones, 08-31-2003 19:04:09  
It also would not hurt to soder those crimped conectionson those ends they will not get lose on you that way Thomas



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Steve in N.J.

09-01-2003 19:58:37




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 Re: update -- Plugs and plug wires for AC B in reply to Chris Jones, 08-31-2003 19:04:09  
Chris,
Any plug wire set that you have to push a contact in the bottom of is junk! There are good plug wire sets out there, and ours is one of them. No brag, just fact! Also, loose the Champion plugs. They don't make a good Champion plug either. Some folks have luck with them, most don't. Stick with the Autolite 295's. They're the one's most AC folks use with great success. If you can't find the good stuff locally, drop us a line. We carry and stock the Autolite 295's all the time, and we build our wire sets to fit specific model AC's. They are not "universal". Our wire sets are copper core, Orange High Heat Silicone spark plug boots, crimped on terminal ends, soft black rubber mag or distributor boots, and designed & labeled for each cylinder. They even come with Dielectric grease included. Good Luck with your B. You'll get it ironed out. They're a great little machine! I have one too!
Steve/B&B Custom Circuits

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Terry in Pa

09-01-2003 02:36:30




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 Re: update -- Plugs and plug wires for AC B in reply to Chris Jones, 08-31-2003 19:04:09  
Helpful hint, set lash HOT.
Get the autolites, throw away champions, listen to tractor run like timex.



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