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i just put a 96 motor in my 1990 miata, i have a flyin Miata turbo kit and im running it with a 90-93 megasquirt. It starts and roughtly idles, but far from complete.

my problem is that when idling, there is a small buzzing sound from theIAV. What does a bad IAV sound like? I modified theECUTPS sensor,and calibrated itfrom 112-212. Can anyone comfrim thatis correct. http://www.miataturbo.net/showthread.php?t=36271

Also, what setting do i need to changegoing from 1.6 to 1.8?
 

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I dont know if you problem is the same as mine, but when i first installed my megasquirt on my 1.6 i got the same budding from the idle valve. I then changed the frequency of the valve in tunerstudio and it went away.

Hopefully this is some use to you.
 

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Isn't the fuel pin outs different from 1.6<1.8 also are you running it with your 1.6 coil packs or with the 1.8 engine harness .
 

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If your IAC valve is buzzing just adjust the FREQ
96 uses an IAC valve under the throttle plate the older one is on top of the intake.
They are prob different so the stock settings of the 90-93 Megasquirt are probably wrong

Post a pic of your settings
Looks like this
BUT DO NOT USE THESE - RANDOM GOOGLE IMAGE
 
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