I'm bored. My car's not running yet so I can't go zoop around and have a ball.

Has anyone built their own AFM meter? I'm imagining it wouldn't be difficult, just quantize a 0v-1v signal (possibly with more detail focused around the 0.5v range), and output it to a bar graph. Or, hey, just use a small analog voltmeter on a 0-1v scale.

Anyone have good ideas?

-=Russ=-

 

best bet would be to modify a different one (such as a corbra).

the problem is that the maf is not a restriction -especially in NA's

if your that serious about getting it off use a stand alone and take it out.

****....i got half way through this post and realized you talk'n about a meter not the actual meter.......

well why would you need one?

i would log it for a couple runs in excell and then run a few graphs.

To get an idea i think you could do wot and watch the data points to see if it linearly increases with rpm.

those 5 & 6 ports should make it interesting.

 

http://www.mit.edu/people/dfung/afmeter.htm
http://www.ffp-motorsport.com/tuning/o2meter.php
http://www.240sx.org/faq/articles/airfuel.htm
http://www.buckeyetriumphs.org/techn.../AFMonitor.htm
http://www.sebringmiata.com/page32.html

...


-Ted

 

Good info as always Ted. Another project to mark onto my list.

 

ah **** i though he was talkn' about air flow meter not

A/F meter

 

yeah.. air fuel mixture... almost no one uses that ter anymore it seems. Wish we could all get on a standard *cough*afr*cough*

 

For how cheaply you can pick up a standard gauge, I don't see why even bother making one, they're still terribly inaccurate and generally only good for idenetifying major problems and verifying that closed-loop functions. Build your own widebands

 

Yes, but they're shiny, they move, and generally would amuse a passenger (and possibly me). :-)

-=Russ=-

 

My AFR told me I was screwing up, but I screwed up anyway.
Stock fuel system, accelerating past 135mph in 5th at 14psi, Oops...

 

Some peoples kids....