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Electronic ignition--Fix for an ailing distributor?

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Mark

05-17-2003 16:32:41




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I have a 1965 JD 1010 gas. It seems to burn the contact points up rather quickly, and I suspect the distributor is worn out. Does going to electronic ignition take the distributor out of the equation? Should I get another coil if I convert to electronic ignition?




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John T

05-17-2003 20:57:50




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 Re: Electronic ignition--Fix for an ailing distributor? in reply to Mark, 05-17-2003 16:32:41  
Good Evening Mark, To answer your questions, NO an EI does NOT take the distributor out of the equation, cuz the points and condensor are just replaced with a magnet on the rotor (replaces mechanical job of high cam lobe) and hall effect pick up coil (replaces points) while the cap and rotor still have to do their job and any excess shaft wobble may still be somewhat problematic, though less than with points.

However, the EI solid state coil current switch is far superior and faster than the old mechanical points and condensor and yields a higher energy spark across the plugs gap for better fuel detonation.

Even if the stock coil is used (and it can be used just fine), the more efficient and faster and no point bounce EI is gonna yield a higher energy spark. HOWEVER, if you invest in a high energy coil and run a wider plug gap which causes a higher voltage spark, then youre gonna get the most bang for your buck out of the new EI as it will then produce a wider, fatter (more surface area) hotter spark to better ignite the fuel.

If your points are burnign up prematurely, your condensor may be bad and need replaced, cuz one of its jobs is to absorb the arcign energy when the points open so it dont all get discharged across the points. Another cause of premature pount wear is excess current, which may be due to a missing ballast resistance in the coils primary circuit or maybe even the wrong (too low resistance) coil.

Good Luck, hope this helps,

John T Nordhoff in Indiana

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Hey John T (mr know-it-all)

05-19-2003 13:54:19




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 Re: Re: Electronic ignition--Fix for an ailing distributor? in reply to John T, 05-17-2003 20:57:50  
I'm interested in what you think that "higher voltage spark" will do for you? Do you think it will make the fuel burn faster, hotter, better, or what? Have you ever had a tractor on the dyno to prove your opinion?

I have dynoed plenty of John Deeres and other tractors with and without the EI and have NEVER seen this magic improvements you are always talking about. I have talk to other people that have also dyno tractors without and without EI and they have also NEVER seen any improvents over a good set of points. The EI will help if it is replacing 10 year old points that are out of adjustment.
I know your theory is good, but in the real world, I think you are only a snake oil salesman.

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S. Conner

05-17-2003 20:29:29




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 Re: Electronic ignition--Fix for an ailing distributor? in reply to Mark, 05-17-2003 16:32:41  
I recently put electronic ignition on a 4010 and it works great. If you can part with the money I'd highly recommend investing in it. The kit and a coil cost about a hundred dollars for this tractor. I haven't had a bit of trouble with it and it starts a lot easier. Won't ever have to mess with points again either.



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Clooney

05-17-2003 17:23:13




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 Re: Electronic ignition--Fix for an ailing distributor? in reply to Mark, 05-17-2003 16:32:41  
Mark, your points problem could be as simple as the wrong coil, a bad [mis-matched] condenser, or a missing ballast resistor.
~See if there is any writing on the coil [most Delco's state the voltage & a part number]. Then if you have a voltmeter measure the running voltage at the ign [NON-DISTRIBUTOR] side of the coil. Post the voltage & all the coil data you can find & we can then determine if you have a mis-match [very possible].
~Now to answer your question on the E.I. unit...A worn distributor can effect an electronic ignition, only not a severely as a points system. The reluctor ring still has to maintain a certain air gap to operate properly & for the hall effect to function with reliability. If the wear is slight it will operate better than the points would. ~On the coil, yes a new coil would be advisable as the E.I. won't do much for you with a stock coil. To get much gain with an E.I. unit you need a higher output coil & to open the spark plug gaps a little more.
~If possible buy the E.I. system with a coil that's matched to the system you buy, most offer a better coil as either furnished or an option..

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