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Old 07-30-2019, 02:50 PM   #1
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Join Date: May 2017
Location: Eldorado Springs Mo.
Default Air fuel gauge or pyro?

Adding turbo my 240. Going to install something to monitor ex. Etc. would exhaust temp gauge be best or air fuel wide band? Next question where should sensor be installed in exhaust? Notice my down pipe has a fitting? Thanks
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Old 07-30-2019, 03:16 PM   #2
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Join Date: Mar 2004
Location: Lancaster, PA

I’d go wideband O2 sensor. You will need to have an additional bung welded to your downpipe. The AEM 30-4110 is a good choice. Their documentation specifies where the second bung should be located.
1998 V70 T5
1979 242 DL 16v

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Old 07-30-2019, 04:45 PM   #3
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Join Date: Sep 2006
Location: North Carolina

AFR gauge hands down. For what you're doing there's no reason to get a egt gauge over it. The AEM documentation listed above will probably say 36" or something from turbine outlet, ideally you want the wire pointing up so that any moisture will drain out of the sensor element.
Kyle and the "Projects" -- '84 242 TI -- '66 220 S -- '89 Supra Turbo -- '84 Rabbit GTI

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Cool car. Smells period correct. Would follow through twisties again. A+
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