Reporting back. The intake hose is 3" and the MAF inlet is 2.75" on my 95. If I go with the aluminum adapter, it will be 2.75" diameter and should pair up nicely with a cheap 3" cone filter on the other side.

I'm planning on putting in the new ECU this weekend so I'll put the IAT in the airbox for now. If it's not too ghetto, I might just leave it there.

Thanks everyone for your input.

It did. Right at one of the seams in the print.
I haven't heard of anyone else having this issue... fairly certain it's due to the lousy quality print.

Undersized, rough even with the acetone vapor bath, etc.

I'm being patient and waiting for Alec to manufacture them in CF. Silicon tape for my temporary win.

I just ran a 3/8 NPT tap through the intake plumbing then screwed the thing in, I had it for the oil pan anyway. Not optimal, but it worked and it was free. Not a lot going on with no turbo, not like it's going anywhere.

This is how it's done. Temporary permanent zipties.

Attachment 184076

I also put my IAT right before the throttle body before I had the turbo installed. It heatsoaked.

I ended up tapping a hole in the buttom of my airbox, which was marginally better. It still heatsoaked.

I picked up a non-functioning MAF housing + gutted the sensor pocket + drilled a hole for the sensor and epoxied a 3/8NPT bung in place. Figured if it was a good location for stock it was good enough for me. It lets me use the stock crossover tube + filter housing or aftermarket.

It worked fine for 2 years of non boosted driving.

https://dl.dropboxusercontent.com/u/...a/IMAG0168.jpg

<p>if youre keeping stock intake, just toss the sensor in the air box. &nbsp;why drill? &nbsp;litterally duct tape it inside the box pre-filter.</p>

I assume it doesn't matter whether the sensor is located upstream or downstream of the air filter?

<p>well let's see: do you want to ingest an AIT sensor into your intake or not?</p><p>&nbsp;</p><p>it might be why i've said pre-filter like 15 times now, but by all means duct tape an ait sensor inside your IM for more accurate temp readings just before the air reaches the clyinder.</p>

I apologize for the insufficient clarity in my question. Allow me to re-word:

I assume it doesn't matter whether the sensor is secured--by screwing into a threaded insert securely mounted (e.g. glued or welded) to the intake plumbing--upstream or downstream of the air filter?

<p>and we are still assuming compeltely stock plumbing?</p>

Well, mostly. I mean, if you have a cone filter like deezums or bahurd, above, I don't imagine there's really anyplace to fasten it upstream of the filter, so my question wouldn't really apply. But the stock tube to the air box or a Randall would constitute "upstream".

<p>yeah, I wouldn't think it would matter so long as it's in the airflow;&nbsp;that's really what's important.</p>

I designed and 3D printed a replacement piece for the MAF. 3Dprinted file has threads for the GM AIT. Works great as a solution until I get my ITBs up and running. Let me know if you want the file.

https://www.miataturbo.net/attachmen...ine=1432881261
https://www.miataturbo.net/attachmen...ine=1432881261
https://www.miataturbo.net/attachmen...ine=1432881261

Whoa that's pretty cool. I ended up ordering the aluminum one from Bell, but you should post the file so others have the option to use it in the future.

The one I ordered from Bell a couple years ago was an overpriced piece of crap. Be prepared to cut down the length of the threaded nipple and then re-tap it so that the element of the sensor is actually in the path of the airflow.

I mean, maybe Bell has started paying attention to these kinds of details in their production process? But I doubt it.

I am slightly annoyed by the fact that this piece has neither a kitten nor a large cock embossed into it.

I'd be interested in the file as well! Thanks!

Sorry to hear that. Hopefully I'll have better luck. I'll share the results after it arrives next week.

Uploaded the file to thingiverse. If you download and print it, please include a picture of it installed :party:

MAF Replacement for the Mazda Miata by teejay187 - Thingiverse

Feel free to make a remix of the file :giggle: