GStwin.com GS500 Message Forum

Main Area => General GS500 Discussion => Topic started by: gregvhen on June 27, 2010, 09:26:06 PM

Title: home made air/fuel gauge
Post by: gregvhen on June 27, 2010, 09:26:06 PM
anyone done this? im gonna try it this weekend http://www.redline.lt/magazine/spec-features/article/article/17/1/

(http://www.redline.lt/magazine/showpic.php?file=uploads%2Fpics%2Fafr_1.jpg&width=640m&height=480&bodyTag=%3Cbody%20bgColor%3D%22%23dddddd%22%3E&wrap=%3Ca%20href%3D%22javascript%3Aclose%28%29%3B%22%3E%20%7C%20%3C%2Fa%3E&md5=8649e6cc406e53e1a19fff7ee6b423ff)

EDIT: added bigger pic from same site
Title: Re: home made air/fuel gauge
Post by: Deros514 on June 27, 2010, 09:42:00 PM
You'll get a colorful strobe light and that's about it. You could argue its better than nothing...IMO plug chops are probably the same if not better. For serious tuning you'll need a wideband. I had an AEM UEGO that I got for around $180, prices will vary widely for what is essentially the same thing.
Title: Re: home made air/fuel gauge
Post by: black and silver twin on June 27, 2010, 09:59:59 PM
if you gonna do it, get a wide band with a digital gauge that will give you hard numbers. or just go to a dyno and have them put a lambda probe in for a few runs.
Title: Re: home made air/fuel gauge
Post by: gregvhen on June 27, 2010, 10:04:47 PM
yea, i guess so, also found this http://www.redline.lt/magazine/car-gadgets/?tx_ttnews%5BpS%5D=1241125200&tx_ttnews%5BpL%5D=2678399&tx_ttnews%5Barc%5D=1&cHash=573517b4cd.

I downloaded it, (or something like it) on my ipod touch and need to test its accuracy tommarow.  the one i got is calle BOSCH Light Em' Up Dyno
Title: Re: home made air/fuel gauge
Post by: black and silver twin on June 27, 2010, 10:41:07 PM
Ive used that app. Its fairly accurate as long as you get the weight of the vehicle at the time of the run right. if you enter too much weight it will say your HP is high, if the weight is too low the HP will be low as well. So you must be exact with the weight PLUS the driver and any people/stuff in the vehicle. Also it must be rigidly mounted in an upright position (hard on a bike) and you cannot launch hard. If you do it all correctly its accurate to within a few %.
Title: Re: home made air/fuel gauge
Post by: saxman on June 28, 2010, 01:55:55 AM
Any sort of air fuel gauge hooked up to a narrowband o2 sensor is a complete waste of time. It provides zero useful information.
Title: Re: home made air/fuel gauge
Post by: black and silver twin on June 28, 2010, 10:26:37 AM
Quote from: saxman on June 28, 2010, 01:55:55 AM
Any sort of air fuel gauge hooked up to a narrowband o2 sensor is a complete waste of time. It provides zero useful information.

correct