I just threw in a hotter coil and 8mm wires. the plugs, cap and rotor all looked good so I didn't change em. even though I bought em. the plugs looked like they were running slightly lean if anything. should I richen up the mixture a tad now that it's got really hot spark?

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64' Valiant Signet 5.9, 64' Dart 170 moredoor 3.7, 67' A100 3.7, 00' Dakota SLT 4.7

reading plugs ain't as easy as it was. gas additives and the wide variety of temp ranges makes reading plugs really like playing the blind chicken if you're sure your spark plugs are the correct temp range for your motor, and you sure your gas ain't contains those additives that turns the plugs almost blueish, you can dial in more fuel.

if your electrodes are anywhere from light brown to tan, or even light beige, just leave it if you ain't getting other symptoms like lean surge or overheating or such

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Juan Ignacio Caino

Please use e-mail button istead of PM'ing. I do log in sometimes but I'll be answering quicker thru e-mail.

There is no reason to richen the mixture.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

The spark is exactly as hot (which has nothing to do with heat, but with maximum secondary voltage) as the cylinder pressure, dwell time and engine speed require it to be. Unless your previous parts weren't working the spark is just as hot as it was before.

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