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-   MEGAsquirt (https://www.miataturbo.net/megasquirt-18/)
-   -   IAT placement NA (https://www.miataturbo.net/megasquirt-18/iat-placement-na-54244/)

hustler 12-16-2010 11:55 AM

It will be a cold day in hell before I expect anything from a VW to work properly and for that to come close to my marvel of Japanese engineering.

kday 12-16-2010 12:17 PM

It works better than the marvel of engineering that is the GM IAT sensor.

I don't know VWs, but my Audis are way more highly engineered than the Miata. They do require more care and feeding though.

FatKao 12-16-2010 12:20 PM

Are you using the new fog light allowance for your intake? Don't forget to remove your sun visors too!

engled 12-18-2010 04:30 PM

http://lh3.ggpht.com/_-G4gMz5adZc/TQ...-g/intake1.jpg
http://lh4.ggpht.com/_-G4gMz5adZc/TQ...LI/intake3.jpg
http://lh4.ggpht.com/_-G4gMz5adZc/TQ...eY/intake4.jpg

This is where it ended up. I don't think it will get much heat soak.

FatKao, yes and I won't. ;) As soon as I fix my hard top latches, the visors are all that holds the top on now.

Stealth97 12-18-2010 06:38 PM

Nice, but use an air filter.

18psi 12-18-2010 06:46 PM


Originally Posted by kday (Post 669929)
It works better than the marvel of engineering that is the GM IAT sensor.

I don't know VWs, but my Audis are way more highly engineered than the Miata. They do require more care and feeding though.

I don't believe single word of this bullshit.
gm ait = weld on bung, screw in, enjoy.
that audi bullshit: weld on bung, then weld on another, threaded bung, then make sure the o/ring seats properly the tolerances are perfect. bullshit after bullshit after bullshit.
way to overcomplicate the everliving shit out of an ait sensor.

And late 90's-newer audi/vw's suck monkey balls. Constant electrical and other misc bullshit problems.
if by "more highly engineered" you mean "OVERCOMPLICATED AS SHIT AND THEREFORE HAVE 100+ MORE POTENTIAL PROBLEMS/FAILURE POINTS" then yes, you are right:facepalm:

kday 12-19-2010 08:51 AM


Originally Posted by 18psi (Post 670725)
I don't believe single word of this bullshit.
gm ait = weld on bung, screw in, enjoy.
that audi bullshit: weld on bung, then weld on another, threaded bung, then make sure the o/ring seats properly the tolerances are perfect. bullshit after bullshit after bullshit.
way to overcomplicate the everliving shit out of an ait sensor.

And late 90's-newer audi/vw's suck monkey balls. Constant electrical and other misc bullshit problems.
if by "more highly engineered" you mean "OVERCOMPLICATED AS SHIT AND THEREFORE HAVE 100+ MORE POTENTIAL PROBLEMS/FAILURE POINTS" then yes, you are right:facepalm:


I think you missed the point. The point is not that the Audi sensor is easier to mount.

Joe Perez 12-19-2010 11:07 AM

I'm liking the idea of this audi sensor. Looks very "OEM" which is important to us CA folks. Wish I'd have known of it years ago. Next build...

Reverant 12-19-2010 11:50 AM

I also like it, as it seems less prone to heatsoak even than the GM open element sensor.

richyvrlimited 12-19-2010 12:14 PM

Add me in the like it list

Joe Perez 12-19-2010 01:21 PM

Serious question about the "GM" sensors that we buy from DIY and others. Were any of those ever actually OEM on any GM vehicle, or are they some aftermarket parts that happen to conform to GM's spec for RTC curve and connectorization?

They just don't look like what I expect a factory sensor to look like.

scottyd 12-19-2010 01:27 PM


Originally Posted by Joe Perez (Post 670920)
Serious question about the "GM" sensors that we buy from DIY and others. Were any of those ever actually OEM on any GM vehicle, or are they some aftermarket parts that happen to conform to GM's spec for RTC curve and connectorization?

They just don't look like what I expect a factory sensor to look like.

Yea they're from a bunch of random GM cars. They actually have a part number for them. It's just much easier to buy them from DIY as you know what you're getting.

Stealth97 12-19-2010 02:17 PM

My Saturn from '92 used the same "GM" sensors common to the megasquirt land, probably every GM from the 90's did.

richyvrlimited 12-19-2010 02:28 PM


Originally Posted by Joe Perez (Post 670920)
Serious question about the "GM" sensors that we buy from DIY and others. Were any of those ever actually OEM on any GM vehicle, or are they some aftermarket parts that happen to conform to GM's spec for RTC curve and connectorization?

They just don't look like what I expect a factory sensor to look like.

I got a 2nd hand FOCUS TDI intercooler a while back that i intended to use for an over the top IC.

Said IC had a sensor in the IC identical in body & connecter to the 'GM' sensor, though the actual element bit was far different.

rweatherford 12-19-2010 04:48 PM

Typhoon Cyclone IAT's and probably T-TA's had the open element GM IAT.

Matt Cramer 12-20-2010 11:53 AM


Originally Posted by Joe Perez (Post 670920)
Serious question about the "GM" sensors that we buy from DIY and others. Were any of those ever actually OEM on any GM vehicle, or are they some aftermarket parts that happen to conform to GM's spec for RTC curve and connectorization?

They just don't look like what I expect a factory sensor to look like.

It was used through most of the '80s - pretty much everything turbo (Regal T-Type, Sunbird, etc) and a fair number of naturally aspirated motors used it. They started moving to more plastic-y sensors in the '90s.


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