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Old 08-15-2006, 07:20 PM   #1
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Default Reliable Temp Gun

I need help finding a reliable temp gun. If someone could point me in the right direction I'd appreciate it. I've used some of the cheaper ones and have been getting unrelialbe readings, so I've mostly relied on the amount of tail pipe smoke in conjunction with my unreliable temp readings.
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Old 08-15-2006, 08:14 PM   #2
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Exergen is probably the only way to go....just be prepared to spend about $150 but it will last forever
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Old 08-15-2006, 08:33 PM   #3
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Quote:
Originally Posted by SCUBA STEVE
Exergen is probably the only way to go....just be prepared to spend about $150 but it will last forever
No not $150.00 at least $250.00
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Old 08-16-2006, 06:16 AM   #4
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Default temp gun

I have the hpi racing temp gun. works great!!
I tested it against 3 other thermos, its within 3 degrees!!
For $28.99, how can you go wrong, just point, click, read!!

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Old 08-16-2006, 10:06 AM   #5
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Kamikaze, Woops your right 250 ...I was half asleep when I posted that!..Thanks for the correction
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Old 08-16-2006, 10:19 AM   #6
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i have the cheap ofna gun. i think it was 28.00. it is off by 15 degrees but it is consistantly off so i just subtract 15 from all the readings and it works great. i used an exergen to make sure it was the same amount off at temps from 175-275. i just can't bring myself to spend 250.00 on a temp gun no matter how good it is.
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Old 08-16-2006, 02:55 PM   #7
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Quote:
Originally Posted by sedanaddict
i just can't bring myself to spend 250.00 on a temp gun no matter how good it is.
How much are your engines worth?
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Old 08-16-2006, 03:27 PM   #8
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spending that $250 is worth it. when you think about how much you spend on engines.
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Old 08-16-2006, 04:35 PM   #9
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I must be lucky, I bought a couple of those $30 dynamite guns and they seem to be steady +/- 5F and thats close enough for me.

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Old 08-17-2006, 05:57 AM   #10
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Exergen is the Rolls Royce of temp gun so if youre running 1/8 onroad with engines worth US $350 and above this might be considered. Raytek can also be looked up but its around US $120 or more but if you have the budget, well i think these two brands wont affect your wallet
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Old 08-17-2006, 06:33 AM   #11
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Hello, were i can buy exergen dx series????
thanks
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Old 08-17-2006, 09:30 AM   #12
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Dirt Burner Racing 1-248-926-1140 ask for Bill...... got mine today
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Old 08-18-2006, 10:06 AM   #13
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thank you all for the information. I guess exergen is the safe way to go. I've used the duratrax and hpi economy versions and have had questionable results. I now have one by linear labs that was a good chunk of change. I'll fill you all in after the weekend.

Thanx
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Old 08-18-2006, 10:24 AM   #14
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Quote:
Originally Posted by blanks596
have had questionable results.
i think the newer exergen temp gun has a questionable result. it is a nice, easy to use, accurate (auto emissivity adjust) temp gun no doubt, but when you use it to measure the engine temperature, because of the limitation of how you can apply the temp gun (sticker on the temp gun said to put the tip against the surface which you are measuring) on the cooling head, you might not get an accurate reading. i did an comparison a while back using a thermocouple and found that the exergen gun alway read low above 200F. the different is between 20 to 30 degree, depending on how close the tip is from the glow plug area. i think it will work better on .21 engines because the glow plug hole on the cooling head is bigger so the tip can get closer to the plug, but for .12 engines, i would try something else.

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Old 08-18-2006, 12:33 PM   #15
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Sorry guys, the key is ever use the same temp gun and carb by ear (sound) and eye (smoke trail on the exhaust). If your engine performs fine, why to bother with a temp gun and which temp your engine goes? Each engine will perform at different temps.

I Have an Exergen DX-501 (the old squared brick one) and remains almost all the time on my toolbox until some temp freak wants to control their temp disregarding the performance.

Temp guns are only when you have tunning problems.
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