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Havvey, seeing as you say it�s a horizontal distributor there is a good possibility it�s a Wico XD distributor. [is the cap kind of square [oblong] instead or round?]. ������.WICO DISTRIBUTOR������ ~On those Wico distributors the condenser is under the points breaker plate mounted upright in the corner, [make sure to match the points plate index marks on re-assembly]. ~Contrary to other information the points gap is .015� on that Wico distributor [high part of the points cam]. ~The cap is rather expensive on those Wico�s so be careful when working with the new one. ~On those Wico distributors make sure the shaft bushings are in good shape & not worn or loose [a common problem]. ~Also make sure the centrifugal advance is working, not binding, & both springs are intact.. ~Look at the points cam for excess wear [some will have significant wear if used for years without oiling the cam wick].
If you decide to use points grease instead of the oil wick just remove the oil wick from it�s holder. If you use the production oil wick just place a couple of drops of oil on the wick & MAKE SURE it is contacting the points cam. ~Other than that the internal coil is the weak spot on those Wico�s. If you are running a 6 volt Wico at 12 volts the coil won�t last long [the 12 volt Wico distributors have 2 resistors in them] & an external ballast resistor won�t usually get you the correct coil voltage. ~You asked about a coil? Was that is in reference to using an external coil with your Wico dist or replacing the internal Wico coil? You can use an external coil with that Wico dist & that makes a good package that works well {E-Mail me for details on converting that Wico to an external coil system} New internal coils are fairly easy to come by & will help if yours is shorting, arcing, or low on KV output.. ~If you have a round cap you then have the Delco distributor that uses an external coil. �����..DELCO DISTRIBUTOR ~The Delco distributor is about the same as the Wico only the points gap is .022�. Again check shaft bushings for wear, check the centrifugal advance for working & the springs to both be there & working. Make sure you get the correct rotor to go with the cap [depends on the cap contact position]. ~Those Delco�s are a pretty hardy distributor & usually don�t need much work [just points & a clean up]. ~If you are asking about a coil for the Delco system we will have to know the tractor make/model & if 6 or 12 volts & if it has a ballast resistor [post back with questions on this]. ~To set the ignition timing on either ignition system you can either use a timing light [late tractors, or you will have to add an advance mark on the flywheel on the early tractors]. Or you can set the base timing [starting retard] to whatever your tractor specs are without a timing light. We will need to know the tractor make, model, fuel type & year to give you the correct timing procedure & setting degrees�.
Post back with questions or with more info for more details�
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