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Old 01-22-2007, 09:24 PM   #1
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Default How many are running Megasquirt with IRTB's???

Anyone running it with IRTB's??? I'm trying to pick out an ECU for my IRTB's.
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Old 01-22-2007, 09:55 PM   #2
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I don't know of anyone that's done it but from what I know of megasquirt you can run just about anything off of it.

Check the megasquirt forums.
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Old 01-22-2007, 10:14 PM   #3
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theres a thread in this forum about this topic. alpha-n something
is aussie driver running IRTBs?
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Old 01-22-2007, 11:24 PM   #4
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Quote:
Originally Posted by Al Hounos View Post
is aussie driver running IRTBs?
He'd like to be, but alas no.
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Old 01-23-2007, 04:35 AM   #5
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ecu grad is on clubroadster.net, MSnS using alpha-n with Fuji Racing IRTBs
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Old 01-23-2007, 08:45 AM   #6
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Yup I just got my Fuji Racing IRTB's running this weekend.

It runs pretty good and so far but I haven't made it to the dyno yet.

You pretty much have to run Alpha-N or Hybrid Alpha-N. The Map signal goes straight to 100 with the slightest throttle input, so Speed Density probably wont work well.

The Squirt has everything you need to run your IRTB setup.

More Info:
https://www.miataturbo.net/forums/showthread.php?t=6528

Last edited by ecugrad; 01-23-2007 at 08:46 AM. Reason: added link
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Old 01-30-2007, 01:46 PM   #7
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I'm using MS-II with ITBs, but on a 20v 4age in my Corolla. Currently using hybrid Alpha-N, works great but takes some tuning. Later versions of the code will allow the ECU to switch from Alpha-N to Speed Density at a certain MAP as well as RPM, for boosted cars (right now it only uses an RPM threshold).

And WTF is the R in 'IRTBs'??
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Old 01-30-2007, 02:04 PM   #8
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Quote:
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And WTF is the R in 'IRTBs'??
Runner

Its a Miata thing. They were ITB's to me before I bought a Miata
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Old 01-30-2007, 02:07 PM   #9
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Or you could box in the trumpets to get a reliable MAP reading.
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Old 01-30-2007, 02:58 PM   #10
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Quote:
Originally Posted by PAT! View Post
Or you could box in the trumpets to get a reliable MAP reading.
At which point the MAP reading is useless, you need to measure the pressure after the throttle plate(s).

Jim
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Old 01-30-2007, 03:57 PM   #11
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Oh boy is my face red.
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