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Title: Tuning Help by Motronic 2.3 Post by: karel5000 on January 30, 2013, 03:45:31 PM Hi,
I have two questions: 1. Can we use another Turboeprom (from another software, e.g. from PKM) for a given Motoreprom (e.g. MTM)? The pressures are the same... 2. Can two different Turboeproms, using the same turbo und producing the same pressures, produce different amount of MAF -> Power? Thanks for Your tips! Karel5000 Title: Re: Tuning Help by Motronic 2.3 Post by: prj on January 30, 2013, 04:27:36 PM 1. Yes - but pointless.
2. No. Same charge pressure, same IAT, same engine = same MAF. One thing you probably don't know is that it's not a "Turbo E-Prom". Regulating boost is just a small subset of this microprocessor. By far the biggest task of it, is cylinder selective knock control. Title: Tuning Help by Motronic 2.3 Post by: karel5000 on January 30, 2013, 05:41:15 PM Hi Prj,
thanks for Your answer. I drive a RS2 Software on my Audi 200 20V (300kPa pressuresensor) from PKM, which is written for the RS2 exhaust outlet (Auspufkrümmer). But I have the Wagner outlet, which increases the power of gases for my turbo. The problem is, that the turbo sometime oscillates (e.g. 1bar -> 0,8bar -> 1bar -> 0.8bar... relativ). According to my analog pressure gauge, the pressure stays constant during the full gas - does not oscilate. So I took another turboeprom from another Software (for a smaller turbo, for both 200kPa and 250kPa pressure sensor), changed the pressure maps (copied those ones from the RS2-PKM turboeprom), put it into my ECU with my 300kPa pressure sensor from Ultimot and the turbo does not oscilate any more. In adition, the turbo pressures are the same, bat the car has significantly more power! I can hear significantly more noise from the MAF passing through the air-filter-box! This is, why I ask this questions. How is it possible... Probably the backward pressure waves from exhaust do it... Title: Re: Tuning Help by Motronic 2.3 Post by: prj on January 31, 2013, 02:05:40 AM It's kinda pointless to talk about this with someone who just copy pastes stuff in chips. And tries this chip or that chip.
You are making lots of wrong conclusions about things. Read my 1st post in this thread, it explains what is going on. It's also a first that I hear, that people measure power by listening how much air passes through the MAF? Made me laugh to be honest. Title: Re: Tuning Help by Motronic 2.3 Post by: amd is the best on February 01, 2013, 09:09:05 PM Get VEMS. Done.
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