Re: weak spak

Posted by John T on September 02, 2005 at 06:33:56 from (66.244.90.98):

In Reply to: Re: weak spak posted by Corndude on September 02, 2005 at 05:13:24:

Corndude, you will have to ask an IHC Mag person about a different coil. I know on the JD Wico Mags they sell what they call a "Hot Coil" but no idea on your mag. On my mags I have had their magnets remagnetized which increases spark energy for sure as the stronger the magnetic field and/or the faster they rotate, THE HOTTER THE SPARK. On my JD tractors that use the old style 7/8 plugs, I use the Autolite 3077 side wire deep reach (hotter down in chamber) electrode plugs instead of the cooler Autolite 3076 and that helps.

As far as different plugs, anything which heat insulates the plug somewhat from the head or block causes them to run hotter, as the heat sinking (heat transfer) to the relativley cooler head or block (versus the combustion chamber) is less effective. On plugs that use a washer, I have seen guys add an extra washer to accomplish that. A hotter running plug may be better able to burn off potential fouling deposits such as excess fuel or oil. If those tractors were used as they were designed for i.e. long hard full loads at open throttle with high engine temps, plug fouling wouldnt be as much a problem as our no load parades and idling n puttering around lol.

John T

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• Re: weak spak Corndude 08:46:59 09/02/05 (0)

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