vristang said:C&L meters use a small sample tube that mounts on the upper portion of the MAF tube. The size of the small sample tube MUST correspond to the size of the fuel injectors.
The MAS (mass air Sensor) is the black electronics that bolts to the top of the MAF. This should be interchangeable between the A9L and X3Z computers.
I have to call C&L on this subject myself so I will let you know what they say.
What you need to do is look at the color coding on the exit side of the sample tube inside the MAF. The color of the tube will correspond to the size of injector with your computer.
The C&L application chart can be found here.
http://www.cnlperformance.com/calibration.html
Good Luck
jason
cjhenry01 said:Jason,
There's no color. Its the same color as the MAF tube. What is mine calibrated for?
The car has an X3Z cobra computer and 24# injectors. I want to make sure the prior owner purchased the correct MAF for this combination.
GT_Rich said:I recently picked up a 93 Cobra 70mm MAF and run it on my car with 19# injectors and I have zero problems. I think this should prove what I just typed..
txstang84 said:dude, if I ever get a tweecer (probably will) I'll hit you up for tips!
vristang said:Unfortunately a Clear tube (as C&L calls a sample tube with NO color code), has very little meaning. The clear tube is correct for a A9L, 73mm MAF, and 19lb injector. However since the color marking can be removed so easily, a tube without color must be verified as appropriate.
I have been doing a fair amount of research on this subject the last few days, and here are the potential problems for you.
1. You need to verify that the MAS (just the black electronics box) is correct for a 93 Cobra. I was wrong when I stated that the A9L and X3Z MAS were the same. They are different due to the 93 Cobra having a 70mm MAF, and the A9L having a 55mm MAF. I will go out to the car in a few miutes and provide my part number as I have a cobra MAF. it may be best to call a Ford dealer to verify this though, as Ford has been known to change part numbers from time to time. Or, check here.
http://www.motorcraft.com/default.jsp
2. You do not know if your sample tube is correct for your C&L meter & Injector combo. Since there is no color coding on the back end of your tube you will need to measure it. A pair of calipers will do the trick. I have a list of common (on Mustangs anyway) C&L sample tubes listed with inlet and outlet diameters, on my website.
http://www.freewebs.com/vristang/clsampletubes.htm
Let me know if you have more questions
jason
cjhenry01 said:Ok, I verfied the following:
1: X3Z Computer (93 Cobra Computer)
2: Mass Air Meter Part # F1ZF-12B579-AA which is for a 5.0 Liter Mustang
(Not the 93 Cobra Coputer which is # F1SZ-12B579-A)
3: 73mm C & L MAF (With clear sample tube, but I think it's missing the color code)
I measured it and the Inlet Diameter is .6500" & Outlet Diameter is .5550"
I determined by these measurements that it's the blue sample tube which is for 24# injectors.
Isn't the X3Z computer designed to work with 24# injectors, a 93 Cobra MAS (Mass Air Sensor-Black Electronics Box), and a MAF that's calibrated or designed to work with 19# injectors as it adjusts the calibration internally from 19# to 24#?
If this is correct, than Is my setup messed up?
GT_Rich said:Dangit - the cobra maf probably isn't safe to be running in my car then, is it? I guess I should have done more hw before buying one.
Question, since I already have it: Would I be able to pick up a 94-95 maf and swap the electronics over to my housing instead of using the 94-95 housing and having to get a flange adapter?
Thanks,
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