Is there any reason why a mass air flow sensor can't be turned to flow vertically?
I'm putting a '94 Mark VIII 4.6 in a '50 Ford F-1. As much as I want to retain all the factory intake, it won't fit in the truck's bay. However, I have extra height. Have the idea of turning the MAF upwards with a dual snorkel air cleaner on top to make it appear carbed. (Yeah, know there's a LOT more to it than that. First things first.)
It depends what style it is. The flapper door ones would not like that at all!
If it's a wire type sensor it shouldn't make a difference how it's mounted.
Some wire style ones WERE mounted that way. I am thinking of Nissan's TBI implementation where the sampling tube was part of the throttle body.
Note that, technically, altering the way the air enters and exits the MAF can affect the way air flows through the main body vs. the sampling tube so the calibration can go out of whack. In practice the difference is so minor that you probably won't notice.
It sounds like you are eliminating part of the stock intake - make sure there isn't any sort of resonance chamber in there. I got rid of the airbox when I first put the Locost together and I kept getting a horn noise followed by a stall. Turns out the airbox did more than just move air from point A to B.
How important is the volume/shape between the MAF and the intake manifold?
...other than the noise potential?
dimarra wrote: How important is the volume/shape between the MAF and the intake manifold? ...other than the noise potential?
Not nearly as important as making sure you have a good straight section of tube without bends before the MAF sensor. MAFs must have non-turbulent airflow through them.
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