February 20, 2008hey guys i have a 89 f150 with a powerdyne supercharger going to be producing 9lbs of boost and i was wondering what type of a/f ratio gauge i should go with .. any help would be great.. i want this gauge to make sure it aint lean or rich
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February 21, 2008Innovate Motorsports has the best one.
I believe it's the most accurate one out there.
April 23, 2008zeitronics makes a really nice one aswell
April 23, 2008Innovate is the one to go with. I have the DB series gauge in red. Whatever brand you go with make sure its a WIDEBAND. You will pay for a wideband but the cheap 50 dollar ones just arent any good.