A few questions about gauges?? (water temp, pyrometer, trans temp, boost)
#1
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Thread Starter
Join Date: Apr 2003
Location: Chicago
Posts: 210
Car Info: 05 Impreza STi
A few questions about gauges?? (water temp, pyrometer, trans temp, boost)
I am looking at some gauges online to purchase for my car. Mostly looking at the Lunar 52mm series from Autometer. I just need help picking up 3 more gauges. If you guys could help me out with some simple questions for you probably but unknowns for me. Thanks!
Water Temperature Gauge 100-250F [electric]
1.) Where in the engine does this go/excatly what water temp does it measure?
2.) Is it really one of the more important ones to have?
Pyrometer 0-1600F [electric]
1.) Where does this one go?
2.) What would it be used for?
3.) How important is it?
4.) Why does the temperature go up so high?
Trans Temperature 100-250F [electric]
1.) Does this measure the transmition fluid temp?
2.) What does it do for a stickshift?
3.) Is it one of the more important ones?
Boost 35 PSI [mechanical]
1.) I want to wire this up just for the Nitrous boost, is this a good gauge to do it with?
2.) How would I connect it to see my boost from nitrous when I am on the button?
I am also getting/have goten these gauges already:
Oil Press. 2 1/16 [electrical]
Volt Meter 2 1/16 [electrical]
Fuel Pressure 0-100 PSI [electrical]
Air Fuel Ratio [electrical]
Nitrous Pressure 2 1/16 [mechanical]
1.) Out of the 4 listed which 3 do you guys think that I should get?
2.) I heard that since the Nitrous pressure gauge is mechanical, having it inside the car might cause problems and might break? Is this true? Any input? I want it on the insdie what can I do?
Thanks guys!
Any additional input or information about the gauges or anything let me know please.
Water Temperature Gauge 100-250F [electric]
1.) Where in the engine does this go/excatly what water temp does it measure?
2.) Is it really one of the more important ones to have?
Pyrometer 0-1600F [electric]
1.) Where does this one go?
2.) What would it be used for?
3.) How important is it?
4.) Why does the temperature go up so high?
Trans Temperature 100-250F [electric]
1.) Does this measure the transmition fluid temp?
2.) What does it do for a stickshift?
3.) Is it one of the more important ones?
Boost 35 PSI [mechanical]
1.) I want to wire this up just for the Nitrous boost, is this a good gauge to do it with?
2.) How would I connect it to see my boost from nitrous when I am on the button?
I am also getting/have goten these gauges already:
Oil Press. 2 1/16 [electrical]
Volt Meter 2 1/16 [electrical]
Fuel Pressure 0-100 PSI [electrical]
Air Fuel Ratio [electrical]
Nitrous Pressure 2 1/16 [mechanical]
1.) Out of the 4 listed which 3 do you guys think that I should get?
2.) I heard that since the Nitrous pressure gauge is mechanical, having it inside the car might cause problems and might break? Is this true? Any input? I want it on the insdie what can I do?
Thanks guys!
Any additional input or information about the gauges or anything let me know please.
#2
Guest
Posts: n/a
First off, the water temp gauge is important. It measures the coolant temperature, and without one you may run really hot and not know it. The pyrometer is for EGT(exhaust gas temp.) and is pretty important because as you lean out your A/F your egt will increase so it is a way of watching out for whether you are too lean. Trans. temp I have never seen anyone run. The trans temp is going to be fairly close to the coolant temp assuming you have transmission fluid in there but I am not totally sure. I am assuming you have a WRX here in saying that you should have a boost gauge. You want that so if you get a boost controller you can see what you are running instead of just turning it up until your engine blows. And you are right, with a mechanical gauge running something as flammable as NOx you probably don't want it. That is why most fuel gauges are electrical. If you get into an accident and the hoses break then you will be leaking whatever is in the hoses into the cabin, and if it is gas/NOx/flammable you probably don't want it there.
Stephen
Stephen
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