Re: super m coil problems

Posted by John T on March 06, 2006 at 10:43:03 from (66.244.90.98):

In Reply to: Re: super m coil problems posted by ChadS on March 06, 2006 at 07:33:17:

Chad, good issues you raised. I love these good sparky chats lol. Those super coils are often (not all) designed to run at more current (then a stock coil) which an elec switch is capable of switching WITHOUT any points or condensor burn up problems. The problem is once you reduce the coil current by adding current limiting series ballast so the points n condensor can handle the switching, then you defeat much of the purpose (more current, inductance, and more stored energy) the coil was designed for and havent gained much spark gap energy. A coil is a "current device" and the more current pumped through more inductance yields more stored energy, while less current means less stored energy, so the true test is how much spark energy the supper coil provides at "reduced" current versus the stock coil at "full current". Its my guess if the stock tractor were placed on a dyno with a stock coil at full current versus a super coil at reduced current (to save points) there wouldnt be much HP gain.

NOWWWWWWW once you increase compression drastically and run exotic fuels like a puller may do, then it takes much more voltage to jump the same distance spark gap and thats when a super high voltage coil and an elec switch becomes necessary PLUS can provide additional HP.

Fun discussion, take care yall

John T

Replies:

• Re: super m coil problems ChadS 12:54:54 03/06/06 (0)

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