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Supercharging to Supercharged M112 -> M11k-ish

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Old Mar 15, 2023 | 12:25 PM
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1NAR's Avatar
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From: US
Talking Supercharging to Supercharged M112 -> M11k-ish

Almost everything on this project has been a direct bolt on! Very fun project so far. I had to cut off the air injection pump bracket but otherwise its been smooth. New gaskets and o-rings galor making sure I do it right. All thats left is tying up loose vacuum lines, installing the cooling system, and making sure everything is working and plugged in as need be! I'm very thankful for everyone thats been helping and can't wait to get a video of it running out to you all! <3 For the throttle body I was able to just flip it upside down, thankfully I had a spare hose because I broke a few, extra brittle. V-tech helped me get a 78mm clutchless pulley (bigger than stock) because I really didn't wanna deal with the whole electro magnet and it's alot of rotating weight. If anyone has a full vacuum hose/egr breakdown that'd be great! I find lots of snipits and portions but not really a good full blown diagram of everything and how they work together. I'll end up modifying/re-doing the wiring harness later too so it's well out of the way and have no tension at all.



(and yes I'm an imposter amongst you, it's a Mercedes e320 but the guys at mbworld are mean '^'
 
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Old Mar 17, 2023 | 12:38 PM
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Sussudio's Avatar
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Joined: Nov 2014
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From: Oklahoma City
Default Re: Supercharging to Supercharged M112 -> M11k-ish

How much boost are you going to go with?
 
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Old Mar 17, 2023 | 01:22 PM
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ZERACER's Avatar
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From: Orange County CA.
Default Re: Supercharging to Supercharged M112 -> M11k-ish

Let us know how it holds up.
 
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Old Mar 17, 2023 | 08:40 PM
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1NAR's Avatar
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Default Re: Supercharging to Supercharged M112 -> M11k-ish

I'm hoping for only 9-10psi, the m112 has a higher compression ratio and its a 200k mile motor so I don't wanna blow it up quite yet, I'll be sure to let you all know how it goes. I'm currently waiting for a new thermostat housing because the stock one gets in the way. I'm also adjusting the intercooler set up so my hosing doesn't kink and figuring out how I should wire my pump.
 
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Old Mar 29, 2023 | 07:40 PM
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GannyX's Avatar
Joined: Jan 2017
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From: Maiden, NC
Default Re: Supercharging to Supercharged M112 -> M11k-ish

Originally Posted by 1NAR
I'm hoping for only 9-10psi, the m112 has a higher compression ratio and its a 200k mile motor so I don't wanna blow it up quite yet, I'll be sure to let you all know how it goes. I'm currently waiting for a new thermostat housing because the stock one gets in the way. I'm also adjusting the intercooler set up so my hosing doesn't kink and figuring out how I should wire my pump.
Im letting you know, the stock ecu m112 does not see boost at all. for better compatibility you will need the K ecu, programmed and tuned.
 
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