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Topic: Single or dual AFR gauge.

in Forum: C3 Electrical

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Single or dual AFR gauge. (1/5)
8/4/17 12:18am

indy99
Former Member
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Newport, MI - USA

Vette(s):
1980 L-48 still in the middle of a frame-off.

Joined: 6/9/2005
Posts: 932

So I am looking to install an AFR gauge into my '80. I see that there are single and dual display gauges.

Glow Shift has a single for 179.00 and a dual for 299.00 Is it worth it for the 120.00 upgrade to go dual? The advantage would be that you are able to see and tune both sides of the carb a little more accurately.

What say Ye fellow C-3 experts?

I am changing to a Edelbrock Thunder 1806 carb and the EPS 2701 intake. Also have an true dual stainless steel exhaust plus engine mods to 300hp or so.

|UPDATED|8/3/2017 9:18:34 PM (AZT)|/UPDATED|

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Corvettes and women are the same...You want to make love to them but they keep breaking down.

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Re: Single or dual AFR gauge. (2/5)
8/4/17 10:50am

F4Gary

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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.

Joined: 8/26/2006
Posts: 1409

Is there a way to install the single with a simple left - right switch so you could switch back and forth?

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Re: Single or dual AFR gauge. (3/5)
8/6/17 2:04pm

DougFranz
Former Member
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Coatesville, PA - USA

Vette(s):
1980 blue w/ oyster leather, 4 speed, engine from a '73, modified

Joined: 6/2/2015
Posts: 15

I just installed a dual AFR gauge from Innovate Motorsports in my '80. My intake manifold doesn't divide the carburetor output between the left and right banks, but I still saw value in knowing if the left or right bank was running rich or lean in case of combustion or ignition problems.

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1980 with the heart of a '73, because more horsepower is always better.

https://www.c3vr.com/member_uploads/32401_32500/32417/20140914_17190920156365050r.jpg

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Re: Single or dual AFR gauge. (4/5)
8/6/17 2:37pm

F4Gary

Gold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.

Joined: 8/26/2006
Posts: 1409

Oops, I was thinking in the exhaust. Nevermind. Embarrassed

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Re: Single or dual AFR gauge. (5/5)
8/6/17 3:24pm

DougFranz
Former Member
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Coatesville, PA - USA

Vette(s):
1980 blue w/ oyster leather, 4 speed, engine from a '73, modified

Joined: 6/2/2015
Posts: 15

Yes, the sensors install in the exhaust pipes, but they're measuring unburned fuel to tell you if you're running rich or lean.

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1980 with the heart of a '73, because more horsepower is always better.

https://www.c3vr.com/member_uploads/32401_32500/32417/20140914_17190920156365050r.jpg

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