C36 AMG, C43 AMG (W202) 1995 - 2000

m120 into C43

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Old Mar 18, 2008 | 08:28 PM
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m120 into C43

What do you guys think? I'm sort of pondering what swap to do next, and I felt that it is time to move onto something a little more modern than a w201 and CIS. So I though why not, in the spirit of the Bullit, do a mini-bullit

Obviously some cutting would be involved, but what do you guys think? I would plan on getting a complete donor car so that I could pull what was needed off of that, and I'd most likely just gut the 202 and try and swap in as much of the harness from the m120 donor as possible. Any major hurdles that pop to mind? What might I be overlooking?
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Old Mar 18, 2008 | 08:32 PM
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Originally Posted by FLYNAVY
What do you guys think? I'm sort of pondering what swap to do next, and I felt that it is time to move onto something a little more modern than a w201 and CIS. So I though why not, in the spirit of the Bullit, do a mini-bullit

Obviously some cutting would be involved, but what do you guys think? I would plan on getting a complete donor car so that I could pull what was needed off of that, and I'd most likely just gut the 202 and try and swap in as much of the harness from the m120 donor as possible. Any major hurdles that pop to mind? What might I be overlooking?
You would ruin an AMG C43 to build up an M120 whatever that is?
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Old Mar 18, 2008 | 08:38 PM
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Originally Posted by ProjectC55
You would ruin an AMG C43 to build up an M120 whatever that is?
He's talking about the NA V12 from the W140 and R129, that will bring a lot of weight to that front end, not really worth it unless it's a Brabus 7.3 M120 or Renntech 7.4 M120.
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Old Mar 18, 2008 | 11:04 PM
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yeah, that would be difficult to find however. True about the weight, but it is also just kind of the ridiculousness of it that seems interesting. How about a w211 e55 motor? Does that sound better?
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Old Mar 19, 2008 | 12:00 AM
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Forget the route of sourcing a Brabus-tuned M120...difficult to locate and most likely at an absurd cost. For a standard M120 though, it sounds like a very cool project. I've seen one stuffed into a W124 before, but never a W202. Plus, if you want more than 400HP, you can mount on a centrifugal supercharger...someone did it on their SL over at BenzWorld to the tune of 600HP. Good luck finding traction though.
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Old Mar 19, 2008 | 12:19 AM
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Yeah, I was thinking the V12 would just be interesting in itself....such a different feel than a V8, and yeah the torque delivery would be incredible in such a small car. Only reason I'm considering using a C43 is that all the engine bay mods have been done to make a larger motor fit, and it would already have uprated suspension, etc

Last edited by FLYNAVY; Mar 19, 2008 at 12:29 AM.
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Old Mar 19, 2008 | 02:42 AM
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sounds like airplane
i don't think the feel would be that much different than the v8 with the eaton... at least i doubt a dyno of the tq on the v12 looks like it would feel a whole lot different from nitrogenbalance's graphs...

plus it would be a whole pain in the but to do.

can't say i haven't thought about it though! I think if you're going to do it you've got to go with a newer more powerful motor.
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Old Mar 19, 2008 | 05:56 AM
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Go for it! That would be a monster of a car. the m120 has the most potential out of all the older NA motors. Easily 600-800... the blown SL had over 600 and zondas NA are well above that. As for weight, does anyone know the eact number difference between m113 and m120?
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Old Mar 19, 2008 | 09:08 PM
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is C32 engine to a C280 w202 stupid idea? i was thinking about it a while ago, it sounded not bad since both C32 and C280 are m112. the mounts and all should be the same .C280 is about 300lbs lighter than C43 plus the weight of the supercharge and 150hp extra and 50-70 more with a simple pulley. or m112 3.7L from a ml350 plus a supercharger but amg 3.2 seems like the most efficient and reliable also cheaper.

i am not really knowledged about these but in between ideas which one better? 300lbs lighter with 400-420hp mostlikely better front vs. rear weight distribution or 300-400lbs heavier with V8 or V12 with 400+hp to the wheels?

one could also twincharge the AMG 3.2 a Saudi guy did it already supercharged 3.2 plus a custom turbocharger over 600bhp. its mostlikely still lighter than a V8+supercharger.

i would like to mention again, i am not the master of these mods. i just wanted to share my ideas, if they are stupid ideas sorry to take your time.
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Old Mar 19, 2008 | 09:20 PM
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Originally Posted by Substance
one could also twincharge the AMG 3.2 a Saudi guy did it already supercharged 3.2 plus a custom turbocharger over 600bhp.
I bet it cost Saudi money too.
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Old Mar 19, 2008 | 09:56 PM
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yeah he had no money issues. i forgot his name hes the famous rally pilot. he owns number of very rare and exotic cars like CLK-GTR, F40, porsche 959 etc..

i think there is a video on youtube about this twin-charged C32. if he picked the C32 for modding that engine should be very promising. with all that money he could go to many other routes with different cars but i remember he mentioned a special interest in the C32 and in overal amg cars.

is enlarging the displacement too difficult? i remember brabus used to have something like C 6.1 or something (5.5 enlarged to 6.1)
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Old Mar 19, 2008 | 10:58 PM
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sounds like airplane
the m113 isn't heavy...
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Old Mar 20, 2008 | 05:05 PM
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you could take a 5.4L m113 out to 6 liters, but there is no way you could do it on a 4.3. Even w/ the larger displacement 113, you would likely still have problems with longevity I'd imagine. Is the 113 an alusil block?
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