I'm going to attempt to make a set for the W140 that the engine currently resides in, before pulling it out. The steering box is the biggest obstacle. Once the set is finished, I'll probably pull the engine and scrap the car. This will allow me to get a decent base tune as well and do some exhaust note tuning.

The headers will be listed for sale once the engine is out of the car.

Definitely post some pictures.

__________________
To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo

just to confirm about the injectors. im having trouble sourcing replacements for the m120. i can use ls ones? but cant drop in on stock ecu ?

I've sent you an email. It doesn't answer you question, but it does suggest a better place to ask it, in case it doesn't get seen here. -CTH

__________________
- cth350@gmail.com
http://www.111lakeside.com/

I can't say for sure. Flow rates are somewhat close. I don't know the difference in resistance values for them or the dead time.

I assume it would indeed run on the cheap LS truck injectors on the stock ECUs, but how close to OEM it would run and how much the difference in resistances would affect the stock ECU are important questions to have answered.

That email also offered you the 8 M120 injectors I have here, if that helps you.

-CTH

__________________
- cth350@gmail.com
http://www.111lakeside.com/

I'm still here, just busy. I insulated and installed a mini-split in the garage for climate control, and put in a new lift.

I'm close to starting on the headers, I have one other car to finish up first.

I'm about to start on the headers. I'll try to post some pics but mobile photo uploads are disabled on the forum.

Here, an image of the flanges/collectors at least.

Attached Thumbnails

 

Nice work.

__________________
To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo

I'm glad I found this thread- following with interest.

I am doing an M120 swap into an old Toyota Supra.

I'll be running Maxxecu- don't think I will be able to keep the vvt. I'm interested where you end up with cams. I would love to build a top end for 8k+ redline if that's doable.

I'm going itbs for space reasons and to be able to run a single e-throttle instead of 2.

Not 100% sure if I can make the front sump work or if dry sump will be required. So far bottom of pan hits the sway bar.

If you are posting your progress somewhere else as well I would love to know.

I got to wondering if there was a Facebook group for folks modifying the M120 or swapping it into other vehicles- I couldn’t find any, so I just created one. I’m the only member so far but don’t be shy if you want to join

https://www.facebook.com/share/g/iK4WSBAs19DhnLsb/?mibextid=K35XfP

I have 3 other cars I'm trying to get finished before it gets too cold, then I'll be starting up on this one again. The front of the car is torn down enough for me to get started on the headers, but I haven't made a move on it just yet.

The VVT is just on/off. If you can do custom tables in Maxx then it should be easy to control it.

ITBs are great, but with the downside of complexity.

Sway bars can be changed to a different style or relocated.

I have some options for cams right now, from easiest to most difficult:
-Pay Gooichi a small fortune for cams ($4k/set to start IIRC).
-Find a cam grinder in the US that will regrind them (I've found several potential candidates, $1200-1800).
-Ship them to the existing regrinders in Germany to have them done and shipped back (dbilas or Renntech, $1400-200).
-Reconfigure the timing chain to run on top of the intake cams instead of underneath, allowing use of M104 cams which are more readily available.

I've decided not to build headers for the W140, as it is just too much of a pain for such little benefit. The M120 will be coming out of the car soon, and onto the stand.

I just joined

__________________
To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo