GLC63s, GLC63, GLC43 AMG SUV and Coupe (X253, C253) 2015 - Present

Modalworks M177 Stage 2 Turbo: Quick spools with big power!

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Old May 6, 2022 | 06:54 PM
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W205 C63
Modalworks M177 Stage 2 Turbo: Quick spools with big power!

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The Modalworks stage 2 hybrid turbo (dubbed the MW2) packs a big punch yet looks completely stock from the outside. Our design doesn’t just swap the compressor wheel, but also extensively machines the exhaust side to fit a large 9 blade turbine wheel. Our specific combination of turbine and compressor upgrades make for an extremely balanced hybrid turbo.

These MW2 turbos spool consistently spool as fast or faster than pure 900s but flow like pure 1000s. This design yields a setup with minimal lag yet still packs massive top end power.

- Made in the USA
- Custom designed 5 axis point milled billet 6+6 compressor wheel
- CNC machined and ported compressor cover
- Oversized Inconel 9-blade turbine wheel
- CNC machined turbine housing
- Coated exhaust manifold for rust prevention
- Completely rebuilt CHRA with Borg Warner OEM bearings
- Entire assembly high speed balanced and professionally assembled

In stock and on sale now, get the best of both worlds with a quick spooling turbo that has big flow potential.


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Old May 10, 2022 | 03:37 AM
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GLK350 2013, GLC63S AMG
Care to share some real life numbers ? Like some dyno and acceleration numbers b4 and after upgraded snails and tune.

Last edited by Serge81; May 10, 2022 at 04:53 AM.
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Old May 10, 2022 | 10:10 PM
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The dyno and acceleration numbers can be convoluted a lot based on the tune but we will do our best to provide info on the performance of these. The product page HERE has a image of the dyno showing that we were able to hit 736whp and 723lb-ft of torque on an "unoptimized" tune on a standard dynojet. If you look at the chart you can see the torque at 4000rpm is higher than nearly every other hybrid turbo with published data (Pure100 shows. We say this to merely point out that the turbo itself has the capability to deliver tons of power down low and up top. Everyone is running a different set of hardware with different tuners, so what we want to emphasize with the data shown below is that our turbo is able to produce significant flow throughout the RPM band with a very fast response.

Prior to the dyno, we compared Pure 900s to our turbo directly on the same vehicle, as well as reviewed numerous logs from customers with their Pure1000 to give a comparison of how the hardware compares as seen below.

What this means is that our MW2 responds incredibly fast with tons of upward flow potential. We accomplish this by not just shoving the largest compressor wheel possible in the housing. Other companies advertise very large wheel sizes above 72mm with a medium sized turbine wheel around 50-55mm resulting in a compressor to turbine ratio of 30% (not greaat). We don't think this is the best approach because you inherently create a mismatched turbocharger... our main focus was to find a balanced setup that spools fast and keeps producing all the way till redline. Most turbo design guidelines recommend the ratio to be within 10-20%, exactly where ours lies.

Additionally, in the graph below we are easily able to maintain 29psi all the way till redline while hovering in the 66% WGDC regime.


We plan to take this car back to the dyno once the trans is built and push the turbo to the limits, but for now we are exceeding the torque capacity of the 7sp transmission.

Last edited by ModalWorks; May 11, 2022 at 10:27 AM. Reason: typo
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Old Sep 1, 2022 | 11:34 AM
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W211 E-Class 420CDI
Hey, there's also another company with M177 hybrid turbos in their offer.

https://muchboost.com/product/m177-h...gt-s-e63-g500/

Do you maybe know how these 2 compare?
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Old Oct 14, 2022 | 08:06 AM
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Originally Posted by adammo1111
Hey, there's also another company with M177 hybrid turbos in their offer.

https://muchboost.com/product/m177-h...gt-s-e63-g500/

Do you maybe know how these 2 compare?

They cost about $6700 and don't really show much aside from a dyno graph with unknown modifications. They have pictures of e63 housings in that link so is that dyno done on an E63? Do they have other supporting mods to get to that number? Who knows...

What we do know is that our turbos can consistently maintain 35psi at moderate wastegate duty. Our dyno shown above was on basically an off the shelf tune at 28psi, when we go back to the dyno we expect a drastic increase in power. We have also shown data to directly compare against the pure turbo options.

We have a few sets left in stock on sale until we run out so grab a set and turn your GLC into a monster! ORDER HERE
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