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6th Generation (1988-1992) Specific discussion of the AE92

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Old 06-29-2010, 11:48 AM   #1 (permalink)
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Megasquirt and 4AGE

Can anyone point me at some good web pages etc with info. on building & programming a Megasquirt setup for a 4AGE/4AGZE/4AGTE etc? I can program and build electronics no problem but would like to bypass any mistakes and issues others have solved already with this setup.
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Old 06-29-2010, 01:03 PM   #2 (permalink)
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http://www.diyautotune.com/diypnp/ap...9-4age-mt.html

there's docs on building a DIYPNP for a 4AGE.

Here it is for 20Vs but they use different crank sensors than 16Vs so it's not really that helpful.

http://forums.club4ag.com/zerothread?id=11048

Here are some good megasquirt resources including forums:

http://www.msextra.com/

you'll want to use the MS extra firmware, not the normal code.
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Old 06-29-2010, 08:44 PM   #3 (permalink)
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buy your MS from DIYAutotune.com ...... building the unit it pretty straight forward.....

I personally like the relay boards.... make life much easier IMHO

when you're ready to start getting things going & all of the wiring is done... find your way back to DIYAutotune and download the full package & Megatune firmware/software setup... it's free....

I've always had communication problems between MS, Megatune, and the computer.... that is, until I got the package from DIY....

there's a lot of guys running 4age's, 4agze's, and 4agte's on MS..... not as many on the gze.... but meh. If you're good with electronics and understand EFI... you can figure it all out.... plus there are TONS of screen shots of people's setups (maps, etc) that do work and many that have even been dynotuned

I tend to not give out my maps for my gze for a couple reasons....

1) it's on very old archaic 6x6 maps
2) it was never dyontuned and as such with the s/c on gets HORRIBLE gas mileage

MS1 v3.0 board is a bit more "rugged" (in my opinion) and leaves less chance for bad things to happen..... it also has more ability for outputs
MS1 v2.2 board is a bit easier to configure and can take the same tuning software & firmware as v3.0 board

MS2 is just a "daughter board" that replaces the large (32 or 48 pin? I don't remember) chip used in MS1
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Old 06-29-2010, 09:35 PM   #4 (permalink)
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Thanks a lot guys, this gives me a great starting point. What "should" be the price for the MS package?
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Old 06-30-2010, 10:15 AM   #5 (permalink)
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Quote:
Originally Posted by RED91SR5 View Post
Thanks a lot guys, this gives me a great starting point. What "should" be the price for the MS package?
Whatever it is on the DIYautotune site

I would highly recommend the V3.0 or V3.57 (if you don't want to build it) and the MS2. I've used pretty much every variation and MS2 was a decent upgrade from MS1. it's a faster chip so it makes the car run a lot better and has a good deal more features.
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'89 Corolla SR5 - 4AGE ST 20V 6spd LSD, Megasquirt II, Koni Race Dampers + GroundControls + camber plates F/R, GT-S Rear brakes
'81 BMW R65
For Sale: GT-S strut bar + Front GT-S koni yellows
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