Werne Posted June 28, 2019 Share Posted June 28, 2019 Hi, I have a question, which ignition coil do I need for my Buick Riviera 1963 with a 401cubic inch 4 bbl engine? How much ohms does this have to have?Many thanks Link to comment Share on other sites More sharing options...
Jim Cannon Posted June 28, 2019 Share Posted June 28, 2019 The stock coil is 1.5 ohms. There is a resistor wire in the chassis wiring harness that reduces the voltage to the coil when the engine is running. This resistance wire is bypassed during cranking of the starter. 1 Link to comment Share on other sites More sharing options...
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