Which Megasquirt system works best with this engine? The one for the 2.7e?
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MS + 2.7 Stoker?
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that depends if you want good idle control (I know, not as important in warm california), or EAE (way better than traditional TPS/MAP based), semi sequential (or even full sequential if you're willing), resolution, etc. etc.
for the price difference, there's absolutely no reason to go with MS1. if there was no need for anything better people wouldn't spend $10k on their ECUs :p
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true. my idle was rock solid without an ICV lol. warm all the time here in socal. MS1 does do semi sequential though. options/$ ratio, ms2 is better, but there is arguably more support out there for ms1. most guys i know run ms1 on their m20's, although admittedly more people are switching to ms2. either way, you're right, it'd be much simpler to just use a b25 harness and crank trigger
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Hey lifeiskaos, you had a 2.7 stroker turbo??? That's what we're kind of planning on for the future...
I know little to nothing about Megasquirt but the co-owner of my track car has it in his Porsche and wants to do it to our Bimmer when we do an engine swap--I want to find out what I can first...what engine harness will work with this?
We have a Euro 323i...
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the 323 is L-jet or something right? I'm not sure how much of that harness, if any, would work.
if you want to make wiring easy you can use the entire harness from a motronic 1.1/1.3 car (M20B25), then either a pre-built MS PNP or build your own and use the adapter board from DIYautotune.com. You also need the crank reference sensor and crank wheel. The other stock E30 sensors you won't need. You can use the stock B25 coolant sensor though.
Start off with the stock B25 coil/cap & rotor to keep things simple, you can add multiple coils later.
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everything already stated is true. MS1 is enough to deal with what youre looking to do. MS2 has some very nice options which would squeze the tiny bit of extra HP out of the engine with additional factors like Transient Fuel Compensation. Of course all of the extras require additional Dyno time in order to make it all worth while.
I'm getting to see lots of goodies since a friend works for MS. (Trying to stay vague to protect identies and situations) Lets just say there is a MS+Vanos mod in the works which is actually in testing right now.
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I'm not sure you could actually tune EAE on the dyno.. I don't know. I had pretty good luck using datalogs and reading the MS2extra.com forums. You can do all your fuel tuning on the street though, the only thing you really can't do is timing, but you can get pretty close.
the other things it offers are better resolution, more accurate timing (better wheel code), and better idle control. 2.1.0 pretty much nailed it, I'd consider earlier codes to be almost betas.
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