MAF sensor

[Steve Wood]

in the stock maf, it was the pair of screens in front of the element plus the inverted cone behind them.  If you took one out which most did to get more flow, it might run a bit rougher, but not much.  If you took both screens out, it would run like crap-unless you had a ME chip and then you could take both screens out plus the cone and significantly increase the flow.

If the air does not flow properly across the sensor, it will read erratically and not give the right answer.

[daveismissing]

software?

[Steve Wood]

If you are asking if the reason they did not work for most guys is software...the answer is yes

[Scoobum]

Daveismissing. Remember Norbs had some fukn MAF the size of a frisbee...and it required software. Do you remember the name of it.

[daveismissing]

The only MAF with a USB port?
might have been this one:
http://www.andersonfordmotorsport.com/abaco-performance-mass-air-flow-meter-97mm/

[1KWIKSIX]

I could be wrong, but I'm thinking that it was made by Granatelli motorsports?


https://www.granatellimotorsports.com



https://www.youtube.com/watch?v=-ZjIhUIqMCI

[daveismissing]

I thought it was the ABACO

" They can be re-flashed to change calibration and programmed to hold 10 calibrations. They work on multiple makes of frequency and voltage-based autos and utilize a built-in digital response filter to eliminate much of the "noise" without sacrificing response time to airflow changes. These DBX meters work great with draw-through or blow-through applications and their multi-sensor design allows the meters to be installed in any configuration, at any clock rotation, without signal deterioration. Abaco DBX mass air meters are made from extruded aluminum, not plastic, for strength and durability and are designed with an easy plug-in for USB cable hookup to your PC. You'll be impressed with their crisp throttle response, stable signals, and unparalleled drivability, plus the included free software allows you to custom-tune fuel curves to grow with your performance. So, are you ready to be impressed? Bolt on Abaco DBX mass air meters and kick up the horsepower on your ride. "

[Just a Six?]

Dave I'm pretty sure it was the ABACO 97 mm adjustable unit. One thing about Norbs, he always went BIG & I guess the Spaghetti Wiring Nightmares eventually drove him Nuts! I think that Granatelli was trying to sell Stock replacement units but I guess that never worked out for them? 

[Scoobum]

ABACO sounds right...think it was 5 inch. Little known fact. Norbs had Eric burn a 5.7 street chip for it...and the S1 engine was in it at this point of time. Norbs twisted the key...and it fired up...and ran like a top. Unfortunately. ..it never got track tested.


Speaking of Norbs, I learned something watching him dial in the idle fuel on XFI. Norbs was always a stickler of running everything lean...includi ng idle fuel. Anyway...when he leaned the idle fuel out it began to idle rough...when he richened it up a tad...it smoothed out. It your idle BLM's are little rich...don't worry about it. Mine sit at 118...and I sleep just fine at nite.

[motorhead]

In all of my MAF based systems I use large cell screens to improve the signal across the sensor.  Laminar air flow is better than turbulent.

http://www.saxonpc.com/100mm-cells-for-100.html

[Steve Wood]

234-1001

[daveismissing]

I had salespeople try and sell me that stuff to use between/into/out-of  cooling fans.
Supposed to be especially effective between "seriesed" fans

[motorhead]

I had salespeople try and sell me that stuff to use between/into/out-of  cooling fans.
Supposed to be especially effective between "seriesed" fans

There is an issue with bad signals using the LS3/7/9 card-style MAF if they are placed near bends as the airflow does not get to straighten out in time.  Causes some wonky readings.  I have logged proof of the improved smoothness across the sensor when running these large cell screens.  Most fools in the LS-world just try clocking the MAF after then bend trying to find a cleaner signal. Nope. Dumb. Not impressed.

I'll give up a few cfm for a smooth running vehicle.

[daveismissing]

We have some flow sensors for compressed air that ask for a couple of feet of straight run before and after to be usable.

[TexasT]

What size do I order for the 3" lt1. I think it is 83mm but I'm not sure. I'll measure, but I don't see that size listed. Good thing they do custom sizes, or maybe the 73 or 75 size. What about the cell size?

http://www.saxonpc.com/100mm-cells-for-100.html