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Thread: let's talk about warning lights, WP, WT, OT, OP.......

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    Senior Member bellwilliam's Avatar
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    Default let's talk about warning lights, WP, WT, OT, OP.......

    I am so busy while racing, no way I look at any of the gauges.

    tach - why you need it after you've done a few laps. you memorize where you shift anyway.
    fuel gauge - if you don't do enduro, you don't need to watch it during the race.
    water temp, oil temp, oil pressure, fuel pressure - I only take a glance once per lap, usually at the front straight. but even then, 1/2 of time I am racing someone or bump drafting, really don't have time to look. For water temp, oil temp, oil pressure and fuel pressure, it means 99% of the time, you wouldn't catch it before engine goes kaboom....

    this is why my favorites are warning lights.

    water pressure - this is my number 1 item. I have it on every track car. it saved my butt at least 3 times now. it flickers when you start losing water, it usually take a while before water temp spikes up and blow a gasket.

    oil temp and water temp warning lights. kinda important.

    oil pressure - important. lately I've been thinking about installing a "Low Oil Pressure Ignition or Electric Fuel Pump Shutoff Switch"
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    anyone has any experience with it ? sounds like a good idea.
    it is also a safety feature...many cars lose a rod, or spill oil onto turbo, then catches fire. it seems this will shut off either ignition or fuel pump, kinda safe.
    also keeps the motor from starting until the oil pressure is up
    Last edited by bellwilliam; 05-23-2013 at 12:03 PM.
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    Senior Member robburgoon's Avatar
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    I need a tach or shift light for the 4-5 shift in SM.

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    I'm very anti any thing but a warning light tied to the operation of the race car. Both since the sensor could fail and ruin a race, or it could cut out the car in a very bad spot. I'd rather just be told of the problem and then I can sort out what I want to do.
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    Senior Member pucsicsal's Avatar
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    Every car should come with a light/chime for water temp.. My bmw had 20 years ago.. [smug smile]. Why the hell doesn't every car have one? Gauge is useless unless you're going up the cajon pass or something and are constantly glancing at it..
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    warning lights. you shouldn't be able to hear a chime in a race car
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    BMW Master bawareca's Avatar
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    Quote Originally Posted by pucsicsal View Post
    Every car should come with a light/chime for water temp.. My bmw had 20 years ago.. [smug smile]. Why the hell doesn't every car have one? Gauge is useless unless you're going up the cajon pass or something and are constantly glancing at it..
    When i bought my first bimmer some 20 years ago i overheated it and blew the head gasket the first night.Since then,my right eye is used solely for the temp gauge and my other worst seeing eye for everything else.Not even the smallest spike in the temperature has escaped me since then.On the older cars you can notice the needle moving with every 2-3 degree,but the newer models are stabilised and once the needle moves to the right of the middle the engine is cooked.

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    Senior Member fatbillybob's Avatar
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    I assume I have prepared everything right so my warning light is "meatball flag."
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    Senior Member pucsicsal's Avatar
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    Quote Originally Posted by bawareca View Post
    On the older cars you can notice the needle moving with every 2-3 degree,but the newer models are stabilised and once the needle moves to the right of the middle the engine is cooked.
    My 2003 Chevy is pretty precise. I can see it when I'm sitting with the AC on in hot weather. [shrugs]

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    I have an ARK Design Multi Meter which has built in warning lights and an audible alarm. You can program the warning levels for each monitor. I can actually still hear it at wide open throttle with my helmet on thankfully (I was worried about this originally). But, then again, my car is pretty quiet.

    It is a very small digital screen but is big enough to see, but at the same time keeps the interior clean looking without getting the night rider look.
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    Senior Member bellwilliam's Avatar
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    Quote Originally Posted by bawareca View Post
    On the older cars you can notice the needle moving with every 2-3 degree,but the newer models are stabilised and once the needle moves to the right of the middle the engine is cooked.
    on NB Miata, if water temp guage moved to the right of 12 o'clock, engine is done.
    oil pressure gauge is a fake. if it moves, engine is toast.
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    Senior Member bellwilliam's Avatar
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    Quote Originally Posted by krazik View Post
    I'm very anti any thing but a warning light tied to the operation of the race car. Both since the sensor could fail and ruin a race, or it could cut out the car in a very bad spot. I'd rather just be told of the problem and then I can sort out what I want to do.
    the link I gave is a oil pressure warning. isn't it too late if oil pressure light comes on, and you are in the middle of the race, you have to take few seconds to sort out what the light means ?
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    LongWinded National Champ Bueller's Avatar
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    Id like a data logger that can be programmed to remind me every time i lift too much by way of a fog horn.
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    Senior Member TrackDayHookey's Avatar
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    Kitty has lights for:

    Water temp too high
    Oil pressure too low
    EGT too high (fuel pump or some other issue)
    Battery too low (catch alternator before car parks self)
    Fuel level low (enduro)

    All of the lights are ganged together into a master caution that can't be missed, so then you can goggle-eye around looking for the actual problem.

    I still try to check everything each lap, but it's nice for this idiot to have some idiot lights.

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    Señor Member b3d3g1's Avatar
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    Quote Originally Posted by TrackDayHookey View Post
    Battery too low (catch alternator before car parks self)
    What's a good set point for low voltage warning?
    Since I'm not doing enduros, it's probably not a big deal to have on my car.
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    Senior Member TrackDayHookey's Avatar
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    Quote Originally Posted by b3d3g1 View Post
    What's a good set point for low voltage warning?
    Since I'm not doing enduros, it's probably not a big deal to have on my car.
    I have mine set for 12.0V IIRC. With the alternator running you should always see around 13.5 or maybe a bit higher.

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    Senior Member bellwilliam's Avatar
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    Quote Originally Posted by TrackDayHookey View Post
    I have mine set for 12.0V IIRC. With the alternator running you should always see around 13.5 or maybe a bit higher.
    doesn't aftermarket ECU go nuts below something like ~12v ?
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    dirty smack talker hakeem's Avatar
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    Quote Originally Posted by krazik View Post
    I'm very anti any thing but a warning light tied to the operation of the race car. Both since the sensor could fail and ruin a race, or it could cut out the car in a very bad spot. I'd rather just be told of the problem and then I can sort out what I want to do.
    I'm not sure what the right thing to do here is. Currently my ECU will stick a rev limiter at 2000rpm if oil pressure or fuel pressure drop low. I'm unlikely to ever just assume that the sensor went bad and carry on driving, but I do agree there is an increased chance of becoming disabled in a pretty bad position.

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    Senior Member bellwilliam's Avatar
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    ruining a race or engine go kaboom ?
    it is only common sense to get off throttle, but in the middle of the race, I have made a ton of stupid decisions...........
    krazik likes this.
    Supermiata S1, SuperMiata S2, Supermiata S3
    13 Tesla, ma: no engine !!
    17 GT350 !!
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    96 NSX
    06 EVO MR
    15 Mini Cooper S

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    Senior Member bellwilliam's Avatar
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    am I the only one on Trackhq running water pressure warning light ?
    like I said, this light has saved me at least 3 engines.....
    Supermiata S1, SuperMiata S2, Supermiata S3
    13 Tesla, ma: no engine !!
    17 GT350 !!
    08 M3 - Carmax warranty !!
    96 NSX
    06 EVO MR
    15 Mini Cooper S

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    Quote Originally Posted by Bueller View Post
    Id like a data logger that can be programmed to remind me every time i lift too much by way of a fog horn.
    In AIM dash you can set a minimum lap time and if you're below it turns on an alarm light. I'm sure it could be fitted to a relay and horn
    b3d3g1 likes this.

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