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| | | | Joined: Mar 2012 Posts: 13 New Guy | | New Guy Joined: Mar 2012 Posts: 13 | Hi, need to replace the Resistor Wire in my C10 ´62 (235cid)somebody in the past cut out this wire and replaced it with a normal wire...of course the contacts point last at least 3-4 months should I put an aftermarket external Resistor? In my country the only I can get in local shops are "made in china" 20ohms aprox.
Maybe in the future will put an DYI Electronic circuit to reduce the Current but I want to leave old school most of the truck!!
Thanks!!
Last edited by German62; 04/07/2014 5:19 PM.
Chrysler Stratus LE V6 1998
Chevrolet C10 235cid 1962
Ford Custom Tudor 300 272cid 1957
Puch SRA 150 1959
| | | | | Joined: Jul 2008 Posts: 1,262 Shop Shark | | Shop Shark Joined: Jul 2008 Posts: 1,262 | | | | | | Joined: Mar 2012 Posts: 13 New Guy | | New Guy Joined: Mar 2012 Posts: 13 |
Chrysler Stratus LE V6 1998
Chevrolet C10 235cid 1962
Ford Custom Tudor 300 272cid 1957
Puch SRA 150 1959
| | | | | Joined: Oct 2007 Posts: 725 Shop Shark | | Shop Shark Joined: Oct 2007 Posts: 725 | Another good option is to find the resister on any old Chevy in a salvage yard. They almost never go bad. Clean it with brake cleaner check to make sure it isn't shorted, and use that. Very best wishes,
Les | | | | | Joined: Feb 2004 Posts: 29,740 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,740 | In order to drop the voltage to the coil primary by approximately 4 volts, you're going to need a resistor measuring 1-1.5 ohms and capable of flowing 3-4 amps of current. That's going to be a pretty heavy-duty resistor that develops a lot of heat. Stovebolt points can only handle current flow of 5 amps or less, and 3.5-4 amps is a lot better. With the engine running and the charging system developing 14 volts or so, the ideal voltage at the coil + terminal is about 9.5 volts. If an original-equipment ignition resistor isn't available, I'd suggest running four 5-ohm resistors in parallel, with as high a wattage rating as possible, mounted in a position where they can get good airflow from the fan for cooling.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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| | | | | Joined: Mar 2012 Posts: 13 New Guy | | New Guy Joined: Mar 2012 Posts: 13 | Hi Les, I still looking for an old resistor but I had no luck so far! Thanks Jerry for your tips, I´ll try to make a parallel arrange of 4 ceramic and wire resistors, I acquired a NOS Points (DODUCO "Made in Germany") is the best you can buy in my country!
German
Chrysler Stratus LE V6 1998
Chevrolet C10 235cid 1962
Ford Custom Tudor 300 272cid 1957
Puch SRA 150 1959
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