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The only goddamn bloody difference between electronic and mechanical gauges, is that in an electronic gauge, the electronic sensor converts the signal from an analog signal to a digital signal, which can then be carried via wires through the firewall up to an electronic unit which converts it back to analog. In a mechanical system, the gauge simply reads whatever pressure level is fed to it.

Imagine having a mechanical oil temp gauge - > and the oil line inside the cabin breaks and you get 80 degree oil poured into your cabin ;)

Electronic Gagues are more accurate and more expensive

Mechanical arent as accurate and are cheaper.

plus depending on the gauge can be dangerous.

if you have the money always go electronic.

mick

that in an electronic gauge, the electronic sensor converts the signal from an analog signal to a digital signal, which can then be carried via wires through the firewall up to an electronic unit which converts it back to analog. In a mechanical system, the gauge simply reads whatever pressure level is fed to it.

Digita signal??? Doesnt it just convert the reading into an analog signal; and then at the control unit reads the signal where a certain voltage equals whatever. I dont think there is a need to convert anything to digital

Most gauges in domestic cars should be electric, therefore reducing the risk of exposure to unwanted stuff like hot oil...

Most performance cars in the states and drag racing use mechanical, with such items as fuel mounted externally under ANDRA regs etc.

The best responsive gauges I have found are mechancial especially with regard to boost. I have always run mechancial in other cars but external mounted, otherwise run full sweep electric (I like Autometre sorry).

Most Jap ones are electric for the reason that they install them inside the ****pit!!!

Is there a reason why you think the mech boost gauges are more accurate. An electric gauge would be able to put the sensor within a few inches of the preessure source meaning that it will react very quickly, whilst the mechanical gauge needs metres of hosing so it can be plumbed up to the gauge....plus surely a diaphragm and voltage signal will be better calibrated/more robust then a mechanical gauge????

Who needs boost gauges anyway..what you dont know cant hurt you:)

mechanical boost is more accruate and responsive as despite the tube being at a distance, the line has a constant pressure. Whereas the electronic measures at intervals and then transmits the data from the sensor to the guage itself. Some electronic ones are good, however I cannot justify $300-$400 for an electronic boost gauge compared to a mechanical when it does the same job. For other uses I would go electronic, such as oil pressure (sometimes it can be beneficial for a mechanical as well in some applications), water temp, oil temp as these do not move in a huge hurry...

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