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Re: [GMCnet] Injection versus Carbs [message #74359 is a reply to message #74261] Fri, 19 February 2010 13:44 Go to previous messageGo to previous message
Larry is currently offline  Larry   United States
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
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Senior Member
wally wrote on Thu, 18 February 2010 15:33

Larry wrote on Thu, 18 February 2010 15:08

The Altitude Compensating carbs work great...UNLESS...you have a Wide band O2 and a FA meter. Now that sounds strange, but the FA tells you what the carb is *really* doing in terms of FA at all speeds,throttle positions and loads. If yo hav ethe O2 meter, I can guarentee, you'r gonna want to change something.

Like Larry I had the wide band installed with the stock Qjet for a year. AFR goes all over the place.

Wally,
Yup, sure does. Took a while for my pea brain to adjust to the variety of FA mixtures I was getting and get my brain to make some kind of average of what I was seeing. It was almost as if it was reading each and every exhaust pulse that was coming through. I even called the company tech support to ask if they had some kind of box that I could attach to it that would average the pulses over a 1/2 or 1 second period of time. Techy thought that was pretty funny.

So...how goes the mega-squirt experiment?


Larry Smile
78 Royale w/500 Caddy
Menomonie, WI.
 
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