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locations on 3800 Series engine block

I

ibduhone

New member
I have a 2007 Gran Prix. I would like to add a voltmeter,oil pressure,and air/fuel electric gauges . Where on the block are the existing connections (aka idiot lights) and does the air/fuel gauge hooked up to the O2 sensor?
 


There is no need for an air/fuel gauge that uses the stock narrowband 02 sensor. It is unaccurate. If you're using an air/fuel gauge that has a wideband o2 sensor then you will have to wel a bung for it in the downpipe.

As far as the oil pressure, You would need to install the sending unit that came with the gauges. The stock sending unit on an aftermarket gauge is likley to give you a non accurate reading.
 
TDCRacing said:
There is no need for an air/fuel gauge that uses the stock narrowband 02 sensor. It is unaccurate. If you're using an air/fuel gauge that has a wideband o2 sensor then you will have to wel a bung for it in the downpipe.
Click to expand...

not completely true. i have one for sale that i was using before i had my wideband installed that is modified and only produces a signal in the upper o2 ranges (~.800 and up). it helped a lot for WOT tuning using just the narrowband.

shameless plug for me..
 
LOL.


Ok I wil agree. If doing tuning the narrow band will work good.Better than nothing. It has for me so far. But if I had to buy one it would def be a wideband. The only reason I don't have to buy one yet is because I have a tuner and can see the NB readings.

A new narrowband gauge is what like 150 bucks? And a wide band is 100 more?
 


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