I will add to the discussion that the function of the carbon resistor wire is 2 fold. TO increase the spark voltage a little (9000ohms per foot of wire), which makes a little more energetic spark at the gap, and to prevent the wire from being an antenna for radio waves. THIS is more of a suppression by conductor wave propagation than a absorption of energy. The resistive element mentioned by John is sure involved, but not for suppression of RF. Magnetic suppression wires are real copper or stainless wire wrapped around a stranded Kevlar or glass fiber core. These have the near zero resistance of a solid wire (they are a continuous conductor) and the winding of the wire in a coil suppresses the RF noise. A single (to me most important) issue with carbon wires is that they deteriorate and can/do become near non conductors in a way that can put far more resistance into the circuit than 10 000 ohms or so. 40 000 ohms can cause coil failure and cap/rotor failure from no place to send the spark. as it fails, the tractor still runs well, but the mag (or coil for that matter) is being stressed. Neither Magnetic, nor solid wire have that issue if kept in good condition. Jim
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 - Trailering Your Tractor - by Curtis Von Fange. One of the fun things of summer and fall are the parades and tractor shows that go on across America. Many owners of tractors travel long distances to attend these shows and they usually take their restored iron along with them. Safe trailering practices and inspections will ensure that the event is a fun one. A good habit to develop when using a trailer is to give that �quick look over� before taking it on a trip. Before hooking up to it check the tongue for proper operation. The latche
... [Read Article]
Latest Ad:
1965 International Harvester McCormick Farmall cub tractor 2,500. Two owner tractor. My grandfather bought new in 1966, then we inherited it. Have all the paperwork original manual and all maintenance records. It starts and moves. Comes with underbelly mower, plough, and some other attachments.
[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.
