Why are spark plug threads not reading the porcelain condition?
Note that spark plug threads do not show as distinct of a variation in color changes. Reading the porcelain condition is key. Lean mixtures of alcohol fuels can provide misleading results. Excessively lean mixtures may result in cold combustion from inadequate fuel.
What should I do about my LT1 engine?
Finally, for long-term reliability, change the water pump and the intake manifold gasket at the same time as an Opti replacement. The LT1 is a solid engine, with horsepower and torque to spare, and a large aftermarket for performance upgrades. By fixing this one issue, it should be set for many more years of trouble-free driving.
What happens if your spark plug is too long?
A spark plug that is too long can cause extensive damage to your engine while a short spark plug can cause poor gas mileage and spark plug fouling. Check your owner’s manual to ensure that you have the correct spark plug for your vehicle. What’s next?
What should the spark plugs on a motorcycle look like?
Your motorcycle’s spark plugs can be very useful to diagnose running conditions in your engine. You can use the burn color of your plugs and reference the plug color charts below to determine if your engine is running rich or lean. Good running conditions: If everything is good, the spark plug should have a tan/light brown color.
What was the spark plug in cylinder 3?
About a month ago, I had a misfire in cylinder 3. I Decided to just swap out all spark plugs, and only plug that gave me a problem to get out was of course #3. Also replaced coil pack on #3. When I finally got the plug to come loose and pulled it out, a chunk of porcelain was missing.
Can a porcelain spark plug cause an engine to run bad?
The porcelain in and of itself would not cause the engine to run good then bad then allow it to run good again. It should be a steady state (either bad or good, depending on damage or no damage). If you are getting something on again/off again as far as how it is running, I think you’re looking in the wrong place.
Note that spark plug threads do not show as distinct of a variation in color changes. Reading the porcelain condition is key. Lean mixtures of alcohol fuels can provide misleading results. Excessively lean mixtures may result in cold combustion from inadequate fuel.
What do you need to know about Spark Plug tuning?
However, a heat indication in one spark plug section may not produce a heat indication in another section of the spark plug. The spark plug has several sections to read to determine the engine tune-up: the porcelain, the housing ring around the porcelain, the strap or outer electrode, the center electrode shape, and the threads.