Adding Guages Am thinking of adding the temp and oil pressure gauges using the bracket that mounts under the instrument panel. How do you run the lines inside the car so that they don't show very much? Where do they go through the firewall? I have a '31 S/W Town Sedan.
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Re: Adding Guages JD, I used magnetic cable/wire holders in many areas of my car. Works great under the dash/gas tank, firewall, frame etc. Having the wires in a loom and using these "clips" made for a very neat installation. Got them from Del City
https://www.delcity.net/store/Magnet...SABEgIYZPD_BwE |
Re: Adding Guages Mounting under the instrument panel is a direct shot to running the lines directly through the electrical junction box into the engine compartment. I have a temp gauge and that is the route I took. Two lines might be tight depending on the lines.
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Re: Adding Guages JD, I have the same car as you, I used the route that Magicbox suggests.
I only use the temp gauge, as the Model A uses a non-pressurized oil system so a gauge is of little use. It's a quick and easy install once you have all the pieces, just be sure to get a good quality gauge, I cheaped out twice and now I have two broke cheap gauges and one quality working gauge. |
Re: Adding Guages The only reason to have an oil pressure gauge is to panic passengers when it reads 0 to 5 PSI. I have a volt meter and vacuum gauge. The MotoMeter is more than enough for water temp.
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I agree with those that believe an oil pressure gauge is not necessary. The oil pump in a Model A is like an elevator, it elevates oil up to the valve chamber where it lubricates the valve stems, guides, and springs. The oil then runs down through ports in the block to lubricate the main bearings. The excess oil then pours over the front onto the timing gear to lubricate it. The rods are lubricated by the dipper trays. There is not much in the way of oil pressure to be seen on a gauge.
I am not in favor of the gauge mount that fits under the dash. It looks like a knee bumper to me, plus it is hard to see the gauges there. A better location is right under the dash rail. There are a number of bolts located there that a fabricated bracket can be attached to. It is also a better location to view a gauge. A temperature gauge is absolutely necessary. Another gauge Henry forgot was a tachometer. He also did not provide a back up camera and a GPS. The GPS also provides a speedometer at eye level. The attached two articles show how all this can be remedied. Tom Endy |
Re: Adding Guages Hi Tom. In your article on the Tach it states "Two wire leads from the tach attach to the two coil primary terminals". Does that mean your tach is 'Hot' all the time? Neg side on coil is connected directly to terminal box on Pos ground system? Please explain.
I had to rewire so my ignition switch was 'before' the coil instead of 'after' like a original Model A should be wired so my tach was not powered up all the time. |
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Tom Endy |
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It may take a half second longer to look at all the gauges with them mounted all over the place but the only one I need in autocross is the tach.
I like these locations because all the wires and pipes for the gauges are out of sight except for the tach. |
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Re: Adding Guages For me , the most important gauge that can be added to the model A is a coolant or temperature gauge . I do run an oil pressure gauge in my 31 tudor but figure that it is mostly useless because oil pressure is very low on an original model A engine . The oil pressure gauge is mostly useful to show if engine oil is real low . I never need to add oil between oil changes on my overhauled model A engines . I'm not racing , so I really don't need a tachometer . Just my thought but I feel that too many gauges takes away from the original look .
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Re: Adding Guages Ruth' Can you show how you wired the coil after the ignition switch? I sketched this out and found that I would have to break into the ignition cable that goes to the distributor to do this. Not sure this is possible. Jack
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Vic....NZ |
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Re: Adding Guages If the gauges pictured belonged to Y -Blockhead , I meant no harm in post #12 .
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Re: Adding Guages Well that didn't work so good. See if I can make it bigger.
Looking at the diagram, I'm wondering if the 'new lead' shouldn't be on the other ammeter terminal like original... hmmmm. https://live.staticflickr.com/65535/...6f2650a5_c.jpg |
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The only added gauge I have are a temp and vacuum gauge and only the vacuum gauge because it was on my shelf and I had a hole to fill. https://live.staticflickr.com/4805/4...557c6ff024.jpg |
Re: Adding Guages Ruth ' thanks for the reply but the line to the points goes through the ignition switch and it has to be broken and tied directly to the coil which is where I have my problem. This is the same as I figured out but to put a line from the coil through the ignition switch housing that's hooked to the wire that goes to the points and another pair feeding power to the rest of the car which also has to go through the switch to be turned on and off'. That makes for three wires in the ignition switch housing which I don't think is possible. Jack
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I like that your tach is redlined at 7200 RPM. :D David Serrano |
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