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I've thought about this a bit and don't see how lugging a motor could blow a head gasket. I do see, however, how lugging can do damage to other areas of an engine. That being said, lugging a motor does not give it good volumetric efficiency due to the low RPM's. Look at this way. An intake track at high RPM's creates an effect where the mass of the ...


4

Engines are designed to withstand a certain amount of stress. When you exceed that threshold, longevity will start to deteriorate. I stated something to that effect in this answer. The engine has a redline where you shouldn't take its speed past. This redline is not the maximum speed which the engine car run, but more correctly the threshold which you ...


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To expand on Anarach's excellent answer; the burn rate of diesel is slower than petrol and at higher RPM you would risk the exhaust valve opening whist the mixture in the cylinder was still burning. Increase the RPM higher, especially on engines designed with some overlap so that inlet and exhaust valves are open at the same time and if you still have a ...


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In Short its based on low burn rate of diesel plus the longer stroke of the diesel engine. First you must understand the difference between these engines, the diesel works on purely compression of fuel , heating and generating bang to produce power, the gasoline on the other hand is natively twitchy and needs a spark to explode and produce power on its own. ...


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A tachometer typically has 4 inputs - +12v, ground, signal and light. +12v goes to switched power, you can tap into the power for the radio or cig lighter. Ground goes to any good body ground. Light get tapped into the power for your dash lights (or headlights, fog, light signal to the radio, etc.) Signal typically goes to the negative side of the ...


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This sounds like a problem with the Idle Air Control (IAC) valve. This valve is a small motorized gadget which helps maintain the idle in the engine. (NOTE: Not knowing what year your car is, I looked at the last year for the Protoge5, which was 2003, which does have an IAC.) You may be able to clean up the old one with some carb cleaner, which I would try ...


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Traditional rev limiters work by controlling the ignition and/or fuel. Ignition Control Retarding the spark (smoother) Completely cutting the spark (more aggressive) Fuel Control - Amount of fuel thrown in is controlled. This is used very carefully as effects of running lean at such high RPM can be detrimental to the engine health. In fact, lot ...



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