Dyno results for R171 200 needed - Mercedes Benz SLK Forum

Performance MODS for the R171 Tuning and Performance modifications for your SLK

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#1 Old 02-24-2016
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Dyno results for R171 200 needed

I'm trying to find full dyno results (chart or graph, whatever is the name) before and after ECU remapping. I'll be interested in doing the remapping, but pure "we'll do 200 from 163KM" isn't good enough for me. Anyone has those results?
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#2 Old 02-24-2016
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I don't think you'll get those sort of figures just from a remap, maybe if you do it together with the installation of a smaller pulley as well...


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#3 Old 02-25-2016
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That's not enough, if you want to go over 200HP you have to modify your whole exhaust system.
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#4 Old 02-25-2016
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OK, I think the magic number 200 twisted my message. Let's say 163 to 180KM. I'd like to see the torque/power curves as the max power is just a number. I mean something like this:

but with real measurements for a real car, not with nice drafted lines (grey lines!)
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#5 Old 02-25-2016
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The facelift 200 outputs 184bhp so mercs squeezed out a few more bhp
From the engine .
And by tweaking the ecu etc
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#6 Old 02-25-2016
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Originally Posted by Delucas View Post
The facelift 200 outputs 184bhp so mercs squeezed out a few more bhp
From the engine .
And by tweaking the ecu etc
And with 10mm smaller supercharger pulley, they did it at the R171 facelift.
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#7 Old 02-25-2016
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Originally Posted by #FullDragon View Post
And with 10mm smaller supercharger pulley, they did it at the R171 facelift.
Im sure it can be squeezed out a little more with performance air filter / exhaust manifold ( kleemans )
Etc and a further ecu update .
Hitting a little over 200bhp

But sadly what im hearing these are weakish engines !?
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#8 Old 02-25-2016
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Quote:
Originally Posted by Delucas View Post
Im sure it can be squeezed out a little more with performance air filter / exhaust manifold ( kleemans )
Etc and a further ecu update .
Hitting a little over 200bhp

But sadly what im hearing these are weakish engines !?
I've never heard these are weakish engines... if you mean the lifetime with performanced things then it mainly depends on the ECU programming how close is your performance to the "border". If you even getting close it your engine lifetime will getting shorter but I think it is normal.

To the first part: I thinks you can easily and cheaply reach 190HP/300Nm (preFL R171) with a smaller SC pulley and an ECU remap. It is more or less a factory solution regarding to the FL R171 and doesn't have react on the engine's lifetime.

Every more 5-10 HP is too expensive and you won't feel 5-10 more HP nor 15. Just for the numbers to over the 200HP doesn't worth it in my opinion.
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#9 Old 02-25-2016
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Quote:
Originally Posted by #FullDragon View Post
I've never heard these are weakish engines... if you mean the lifetime with performanced things then it mainly depends on the ECU programming how close is your performance to the "border". If you even getting close it your engine lifetime will getting shorter but I think it is normal.

To the first part: I thinks you can easily and cheaply reach 190HP/300Nm (preFL R171) with a smaller SC pulley and an ECU remap. It is more or less a factory solution regarding to the FL R171 and doesn't have react on the engine's lifetime.

Every more 5-10 HP is too expensive and you won't feel 5-10 more HP nor 15. Just for the numbers to over the 200HP doesn't worth it in my opinion.
Ive heard it mention on here a few times from firms saying they wont do x y and z to these engines stipulating the words weak engines etc .

Just what ive read 👍
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#10 Old 03-23-2016
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Just seen this post. I got my 2005 200 remapped. It was supposed to go to 180ish, managed about 176. If I can find the before and after dyno and where I got the remap done I'll post it for you. I'm in Dublin by the way.
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#11 Old 03-23-2016
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That would be great! Do you have any other performance mods?

P.S. That might be interesting for you: https://www.slkworld.com/mb-events/33...ml#post2711330
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#12 Old 03-24-2016
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Remap results
Max 180hp
182ftlb
Got is done at Couture Auto in Dunboyne 8253949. Good lads to deal with.
Search for the following threads
Remap
Dyno readings
Powerchip ecu upgrade
Have no other performance mods at the moment.
Did have the car lowered on H&R springs but have it back to stock,springs in the shed.
Upgraded the brake discs
Did a few asthetic things.
Changed the radio
I,ll give you a piece of advice - Do not start adding to or changing bits of the car unless you have money and self control, as I sure a lot of people here would agree
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#13 Old 03-24-2016
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Quote:
Originally Posted by nadnerb View Post
Remap results
Max 180hp
182ftlb
Got is done at Couture Auto in Dunboyne 8253949. Good lads to deal with.
Search for the following threads
Remap
Dyno readings
Powerchip ecu upgrade
Have no other performance mods at the moment.
Did have the car lowered on H&R springs but have it back to stock,springs in the shed.
Upgraded the brake discs
Did a few asthetic things.
Changed the radio
I,ll give you a piece of advice - Do not start adding to or changing bits of the car unless you have money and self control, as I sure a lot of people here would agree
Thanks for the info! I'll try to call him (his email is dead).
Thanks for the advice!
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