W202 2.0k upgrade

[KrumB]

Hi,

I decided to do some testing with the car and here are the results:

Test 1:
Setup:
-stock ECU software
-stock crank pulley
-87mm S/C pulley
-Bigger intercooler - 550/140/65mm in/out 57mm
-4 Bar FPR
-colder plugs
-relocated MAF
-7 PSI max boost



Test 2:
Setup:
-tuned ECU software
-220mm crank pulley
-87mm S/C pulley
-Bigger intercooler - 550/140/65mm in/out 57mm
-4 Bar FPR
-colder plugs
-relocated MAF
-12 PSI max boost

[John Jones Jr.]

Thanks for that Krum. It'll be a good reference point for me later.

Anyway, besides the ECU limiting the power, have you come to any new conclusions when comparing both graphs?

[KrumB]

Nothing new so far.

[Mike51809]

That is some good numbers, I want to do 12psi with my 2.3k with some headers added to your setup and maybe a little something extra

[John Jones Jr.]

Nothing new so far.

The break through can't be far off!

[KrumB]

Mike, you're wright but I'm on a different path now.

John, a close friend of mine cracked the re-flash process.....now he's doing it for like...3 min.... It's a big step forward.

[John Jones Jr.]

Great Krum. Keep us you to speed on the progress. In theory with the ECU cracked, both pulleys & the larger I.C., what sort of figures are you hoping for above the current 219bhp/243ft lb?

[KrumB]

+15-20 @ the most....I think.

[John Jones Jr.]

So, you might be knocking on close to 240bhp, not bad at all for a 2.0lt with the original ECU re-programmed. Am I right in presuming driveability will be as good or if not better and max torque will be moved up the rev range?

[KrumB]

Drivability is already a lot better as max toque is below 3500 rpm.

[Abbaso]

Hey guys. Hope all well. Haven't been around for a while. I see Krum has something up he's sleeve. Great work!! Can't wait for the results. Krum what phone are you using for the dyno app?

[KrumB]

We've tested Samsung Galaxy S something and iPhone 4 with equal results but it turns out the phone mount is very important. It has to be able to absorb some of the vibrations. So a solid one is no good.

[vaspen]

hmm any prosses on how he cracked it ?

[KrumB]

hahaha yeh. Easy. Bought it.

[Pagz]

Excellent results, and thanks for posting before and afters!!

The small dip around 4800 could be the intake cam retarding,on the 230k the advance was from 1200 - 4300, could be slightly higher on the 200k?. We always found it tricky trying to tune that transition!.

[KrumB]

Excellent results, and thanks for posting before and afters!!

The small dip around 4800 could be the intake cam retarding,on the 230k the advance was from 1200 - 4300, could be slightly higher on the 200k?. We always found it tricky trying to tune that transition!.

It's interesting that this dip becomes more obvious when you start adding fuel (AFR 11.5 or so) and less obvious at AFR ratios around 13.00-14.00.

[John Jones Jr.]

A better burn @ 13/14:1?

[KrumB]

A better burn @ 13/14:1?

@ 13-14:1 lower hp (7-9) @ high RPM

[John Jones Jr.]

@ 13-14:1 lower hp (7-9) @ high RPM

Ah, o.k.. I just re-read your post. I must pay more attention!

[dokotela]

very interesting indeed.
is he tuning thru the obd ?

[KrumB]

Hi,

What we use is ECM Titanium for tuning the maps and a Galletto 1260 with 38-pin cable for downloadind and uploading the soft.

[John Jones Jr.]

Hi,

What we use is ECM Titanium for tuning the maps and a Galletto 1260 with 38-pin cable for downloadind and uploading the soft.

So, when should I get ready to drive my C230k to Sofia?

[KrumB]

hahaha you wouldn't have to. I'll send you my file when it's ready if you do all I've done. )

In fact I can send you the one I'm using now. It'll be perfect for you. It's been used on a 230K engine. You just need to purchase Galletto 1260 and read the instructions.

[John Jones Jr.]

Wasn't expecting that, that would be great. Thanks Krum.

[dokotela]

And the tuning software is available from????