Hot rodding the HEI distributor
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There are 2 different designs of the HEI coil. The only external difference is that one has red and white power leads, the other has red and yellow power leads. You will need to know which one of these you have stock to order up the appropriate aftermarket coil. | There are 2 different designs of the HEI coil. The only external difference is that one has red and white power leads, the other has red and yellow power leads. You will need to know which one of these you have stock to order up the appropriate aftermarket coil. | ||
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====Coil ground==== | ====Coil ground==== | ||
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| + | ==Testing the HEI components== | ||
| + | '''[http://www.wellsve.com/ecatalog.html Wells catalog to be used for looking up representative part numbers to find specs for testing]'''. | ||
===Pick-up coil assembly=== | ===Pick-up coil assembly=== | ||
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[http://www.wellsmfgcorp.com/ds_pcoils.php?showall=yes '''Wells'''] has information on what the various pick up coils should read for resistance. Find part numbers from the Wells parts catalog PDF above. | [http://www.wellsmfgcorp.com/ds_pcoils.php?showall=yes '''Wells'''] has information on what the various pick up coils should read for resistance. Find part numbers from the Wells parts catalog PDF above. | ||
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If the meter jumps around as the wires are flexed, or if the resistance is drastically higher or lower than 600Ω-1000Ω (or is infinite), or if there is a reading between either wire and the metal case of the pick-up coil, it's bad. | If the meter jumps around as the wires are flexed, or if the resistance is drastically higher or lower than 600Ω-1000Ω (or is infinite), or if there is a reading between either wire and the metal case of the pick-up coil, it's bad. | ||
| − | + | ===Coil=== | |
| + | [http://www.hotrodders.com/forum/testing-hei-coil-module-103662.html#post727460 Coil test procedure] written by docvette | ||
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Find part numbers from the Wells parts catalog PDF above. | Find part numbers from the Wells parts catalog PDF above. | ||
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| − | + | ===Module=== | |
Many parts stores can test the HEI ignition module at no charge. If that isn't possible, another way is to replace the module with a known good module. | Many parts stores can test the HEI ignition module at no charge. If that isn't possible, another way is to replace the module with a known good module. | ||
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