No brand AFR Gauge
Scenario, want a cheap AFR gauge just for peace of mind whilst street tuning MS.
What do people think about using the no-brand el-cheapo gauges that ebay has to offer with the LC1? Most of them work with a narrow band sensor but that's ok because the LC1 can emulate narrow band. The question is, will it give useful data to make it worth buying a digital read out gauge or would it be better to have a basic indication of mixture from a guage like the one below? Bearing in mind that when I'm tuning I'll have a laptop, the guage is just to warn me if I'm about to melt a piston. Opinions? http://i19.ebayimg.com/02/i/001/3e/b7/2988_12.JPG |
get a cheap digital led gauge. you'll thank me later.
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Like this one? http://images.channeladvisor.com/Sel...uel_thumbs.jpg
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We've rigged LC-1s to drive these types of gauges before. It's actually better to set it slightly different from narrow band emulation - have it give you 1 volt at 10:1 and 0 volts at either 18:1 or 20:1. Not as good as a gauge designed for it though; if you don't already have an LC-1, it's probably going to be cheaper to order one bundled with a DB gauge.
P.S. The gauge in your first post looks like it's actually from Auto Meter's cheap gauge division, unless it's fake. |
Originally Posted by Duckie_uk
(Post 504252)
Like this one? http://images.channeladvisor.com/Sel...uel_thumbs.jpg
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Originally Posted by Matt Cramer
(Post 504254)
if you don't already have an LC-1, it's probably going to be cheaper to order one bundled with a DB gauge..
I'm not after any useful data really. I just feel naked without having a laptop on my passenger seat and I want an indication if anything is VERY VERY wrong. |
Originally Posted by Matt Cramer
(Post 504254)
We've rigged LC-1s to drive these types of gauges before. It's actually better to set it slightly different from narrow band emulation - have it give you 1 volt at 10:1 and 0 volts at either 18:1 or 20:1. Not as good as a gauge designed for it though; if you don't already have an LC-1, it's probably going to be cheaper to order one bundled with a DB gauge.
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Originally Posted by Duckie_uk
(Post 504235)
Scenario, want a cheap AFR gauge just for peace of mind whilst street tuning MS.
Or you can get a cheap panel display voltmeter like THIS. Then set up the analog out for 1V=10:1, 2V=20:1. Most of these elcheapo displays give you an option of setting up a 10x multiplier to move the decimal, meaning if your air fuel ratio is 10.5:1, the display would read 10.5 because the LC1's analog out would be sending 1.05V to the gauge, 1.05 x 10 = 10.5. Get it? |
Are you not happy with your sweepy dot gauge Brain?
They do seem an awful lot cheaper Loving the getto voltmeter idea! |
The cool part about a numeric gauge is that you know when you're .1 off from where you should be. I was running 11.8:1 on the track before I tuned for heat soak. Now its back to 11.3:1 on the track in boost.
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Here, this one is listed as being scalable
New Digital Red LED DC 2V Volt Panel Meters rescalable - eBay (item 250558674057 end time Jan-05-10 23:34:22 PST) |
Damn that thing looks brilliant! I can thinks of loads of applications for it.
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