"Ohm" the high-tension wires, starting with the coil wire.
Just because they have been replaced a while ago doesn't rule out a "bad" wire or two.
Or, better yet, replace them with a high-quality set of spiral wound/magnetic core wires.
You always brag about how you keep your vehicles inside, is the building you store the truck in DRY and well-ventilated, those 4.3 ignition systems are particularly sensitive to moisture.
And, as the other poster said, have the timing offset checked and corrected to zero.
The more it's off the farther the sparks have to "jump" from the tip of the rotor to the individual high-tension towers.
Sparks create ozone, which combined with moisture tears up the aluminum terminals inside the cap creating a white oxide that gets spun around the inside of the cap, eventually combined with any moisture causing a breakdown of the cap insulation that causes a misfire or shorts the spark out altogether.
If you dig around on GOOGLE you'll find that ventilation of the distributor has been an issue over the years, and changed over time by the OEM or "modded" by owners.
Upload one or more videos to your post. Photo and video filesizes should be less than 8MB. Formats allowed are gif, jpg, png, ogg, mp4, mov, and avi. Be sure to use filenames without spaces or special characters, and filetypes of 3 digits lower case.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - What Price Enthusiasm? - by Anthony West. Quite frankly, for some time now restorers like myself have become more and more concerned about the rapid increase in the prices of old farm machines here in England. There is now a growing market for "As found" machines. Which as machines get rarer, has found the birth of a new industry....one of the "procurement agent". These agents appropriate as much old machinery as possible then inflate prices at auctions. So at what price enthiusiasm? We are now seeing poor machines which 3 years ago ma
... [Read Article]
Latest Ad:
For sale Farmall super A tractor is complete and has just been setting for awhile,it was running when pulled out of the barn,shouldn’t take to much to get it going asking 1100.00
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
