S2000 Engine Management Engine management topics, map and advice.

New plug and play ECU available soon!

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Old 06-03-2015, 09:10 AM
  #101  

 
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Welcome back, as a sponsor.

Any additional information available? Price, availability, base maps?
Old 06-03-2015, 12:04 PM
  #102  
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Price will be $1049 shipped to most US addresses for the first 10 units.

European members, contact me for pricing, as there's VAT and different shipping costs involved.

Availability: The first 10 boards should be here in roughly 20 days.

I will include a basemap for N/A applications, as that is what I have right now. I can scale the basemaps for different injectors and different grades of gas (91/93, 95/98/100RON). I don't have basemaps for boosted applications just yet.
Old 06-04-2015, 01:14 AM
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That's a good price
Was the dyno done on a 2.2l AP2 engine and is that the origin of the basemap?
Did you try and lower vtec? It looks like the big dip in power between 4-5krpm could have been bumped up.
Can the ecu be mounted in the stock location with all the plastic panels kept in place?
Old 06-04-2015, 02:49 AM
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The dyno was done on a 2.0L F20C.

The VTEC was lowered to 5000rpm. We didn't try lower than that, however we will be visiting the dyno again next week, because we want to replace the stock knock sensor with a Bosch knock sensor - the stock sensor was giving out a lot of noise.

In the next dyno session, we will also try to add more timing below 5000rpm and try richer/leaner a/f ratios to see if the dip can be corrected, as my theory is that the intake piping requires a Helmholtz resonator to tune the intake air pulses at that RPM range.

I previously mentioned that the car has a half-cage with door bars - this prevents the plastic panels from being mounted anyway.

The ECU's dimensions are approx 170x160x55mm - the foot print is almost the same, however the height of the Unit is about 20mm higher.
Old 06-04-2015, 03:42 AM
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I think you could extract a lot of power with the vtec at ~4000rpm or maybe even a bit lower.
You previously wrote that the car was an AP2 that's why I thought it had the F22 engine, good the hear it wasn't.
The knock sensor swap sounds interesting.
Old 06-04-2015, 03:43 AM
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The F22 was never available here. Even the VSA S2000 is an F20.
Old 06-04-2015, 03:57 AM
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Yes I know and the AP2 was also never available, all euro cars are AP1
Old 06-04-2015, 07:01 AM
  #108  

 
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Ok so just want to confirm here. Will the ecu use the obd2 port to send data like ready codes for emissions and vin/model/ of the vehicle. I think these are required when an emissions place connects to the obd2 port.

Also how is the cold start? Like oem? Currently on an aem ems.
Old 06-04-2015, 01:47 PM
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Data (RPM, TPS, CLT, etc): Yes
Readyness monitors: Yes
Codes (P0106, P0500, etc): Yes
Pending codes: Yes
VIN/Cal ID/CVN: No

Cold starts are pretty much spot on, and the idle quality is better than on the stock, but this may have to do with the fact that all of the emissions equipment on this car has been removed (air pump, etc).
Old 06-04-2015, 04:41 PM
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It's not a big deal if it doesn't export vin etc. with this ecu you can swap in the factory one for smog and drive around till readiness monitors are set. So long as this thing fits in the stock location and can export all obd parameters that's fine. This is basically like the aem but with obdii which is fantastic!


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