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Old 07-11-2006, 06:45 PM   #1
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Default installin GM AIT and CLT sensors

for simplicity of install I think i've decided to install new GM sensors, probably from DIYAutotune. I'd love to know where and how people have installed these sensors in their MX5/Miata/Roadster. Or if no-one's done it yet give me some ideas

For the CLT i did have the idea of insertining a compatable 't' peice in one of the coolant hoses (probably the one from the back of the engine into the heater - rhd side of the engine as you look at it at the back)

thanks!

Richard
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Old 07-11-2006, 09:20 PM   #2
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CLT- I bought an adapter on Ebay to put it in the upper radiator hose

IAT- Took my die grinder with carbide bit and popped a hole in the plastic intake tube. It will go into my ITRB's when I get them on.
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Old 07-12-2006, 03:27 AM   #3
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Quote:
Originally Posted by ecugrad
CLT- I bought an adapter on Ebay to put it in the upper radiator hose
I wonder if that has anything to do with your car not running for long once you start it?

The CLT sensor should be before the thermostat. With your situation of having it positioned after the thermostat, the coolant reading will be artificially low until the thermostat opens, which means that the ASE settings and the warmup settings will be artificially high, which means that you could be pumping too much fuel into the engine, which could explain why it dies and then won't re-start for 10-15 minutes.....
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Old 07-12-2006, 12:26 PM   #4
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But that would only affect him once he builds some heat, like around 5 minutes or so.
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Old 07-12-2006, 02:19 PM   #5
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I'm guessing fitting the CLT sensor they way I imagined is cool then? How about the AIT sensor? is where ecugrad fitted his (into the plastic crossover pipe) a good area? if so should i place it as close to the buttefly valve as possible, as far away as possible or somewhere in-between?

many thanks in advance!

richard
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Old 07-12-2006, 06:23 PM   #6
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Quote:
Originally Posted by Fulltilt
But that would only affect him once he builds some heat, like around 5 minutes or so.
Actually, no.

Once the car builds up some heat and the thermostat opens, then ecugrad's CLT readings will be accurate. Before the thermostat opens his CLT readings will be artificially low.
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Old 07-12-2006, 06:24 PM   #7
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The stock CTS is after the thermostat, right? I think the heater hose is the most accurate, that's where I have my aftermarket temp. gauge. Once I have eliminated the need for any of the stock equipment, I am going to put a GM sensor where my stock mazda sensor is. As for the IAT, shouldn't really matter where in the intake tube it goes.
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Old 07-12-2006, 06:29 PM   #8
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I guess what I'm saying is this won't shut him down in 10 seconds. But the stock Miata sensor location is less than ideal, correct?
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Old 07-12-2006, 06:33 PM   #9
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The stock CLT is bolted into the same assembly as the thermostat.

Your setup of having the CLT running from a heater hose is one of the best places to install the sensor. You won't have any problems with that setup for the MS.
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