OM606 Turbo going into '95 W124 - PeachParts Mercedes-Benz Forum

Wdiesel · #1 11-09-2016, 04:04 PM

It's happening. Waiting on the block, any suggestions you have on the swap would be greatly appreciated.

I'm planning on using the same pump from the 95 for a while. Priority is just getting the car running.

Ultimate goal is a 6 speed, bigger turbo /s

, larger pump elements as well.

I understand the sway bar may not clear the turbo block sump?

Also may need to cut the front bumper supports for the inter cooler?? I am looking at an air to water inter cooler so maybe I wont have to cut.

Jeremy5848 · #2 11-09-2016, 07:27 PM

Seems to me I've read that an AMG front bumper has room for an air/air intercooler. The '95 IP won't provide enough fuel but can be rebuilt with larger elements. You will need some kind of control electronics for a 5- or 6-speed tranny. I suspect the Finns may have worked out something useful.

Wdiesel · #3 11-09-2016, 11:48 PM

Thanks for that Jeremy5848, I will look into it.

I was planning on running the stock IP temporarily; user 95e300dwez (his thread here) added an hx35 to his n/a606 block with some success. In this case I'd have the turbo block with less fuel from an n/a pump for the time being.

For the 6 speed - I'm looking to go with a manual transmission - would I still need electronics?

Very partial to this chassis and motor, my current motor has a head gasket issue - but I'm confident I really could push it more. It has over 420,000 miles on it. That said, it's time for the swap.

Jeremy5848 · #4 11-10-2016, 11:48 AM

Likely you would not need special electronics for a manual transmission. A donor W124 to rob for clutch parts would be nice if you can arrange it. There always seem to be tiny changes that mean hard-to-find/expensive parts. Example: switch on the clutch pedal to turn off the cruise control.

Jeremy

Wdiesel · #5 11-14-2016, 04:46 PM

Thanks for the suggestion, I don't plan on running cruise on the car, I disengaged it on the current setup. I'm aiming for as simple a setup as possible not just for an easy swap, but less things to go wrong, for durability, reliability etc.

The om606 straight back to a manual transmission should be a solid drive train. Id almost definitely need a custom drive shaft - maybe transmission mounts. I am sourcing the clutch, pedals, master cylinder and other bits for the manual.

jake12tech · #6 11-14-2016, 05:12 PM

Quote:

Originally Posted by Wdiesel

Thanks for the suggestion, I don't plan on running cruise on the car, I disengaged it on the current setup. I'm aiming for as simple a setup as possible not just for an easy swap, but less things to go wrong, for durability, reliability etc.

The om606 straight back to a manual transmission should be a solid drive train. Id almost definitely need a custom drive shaft - maybe transmission mounts. I am sourcing the clutch, pedals, master cylinder and other bits for the manual.

I don't think you need a custom driveshaft, but a driveshaft from the old car. Trans mounts im not sure. I might have clutch pedals, i'll take a look. I ripped apart an old 190e a long time ago that was a 5-speed and still have the whole setup buried. I'd be willing to sell it if I don't swap my soon-to-be 91 300D to a 5-speed.

Wdiesel · #7 11-22-2016, 02:44 PM

Nice - thank you! The trans I've been searching for is a 716.6xx family. I may be interested in the pedals, I had a source lined up but haven't actually acquired them.

I'm daily driving an R129 right now and must say I miss the 124. The front end on the sl is noticeably heavier. My w124 is lowered on H&Rs with a 225/45/17s I suspect that helps too. The 129 does seem very squat for a stock car - if I were a rich man I would gut an R129 and make an om606 beast out of it. Doing tune up maintenance on the r129 has me missing the diesel as well.

While the diesel car is offline are there parts from the R129 I can look to swap and improve on the w chassis car? Power steering pump? I'm planning on a 129 brake swap, how about the master cylinder?

Wdiesel · #8 01-10-2017, 02:12 AM

Investigating more trans options I'm leaning towards a BMW zr 5.

If anyone has experience putting one behind an om606 or a W124 I'm all ears!

freesoul · #9 01-10-2017, 10:48 AM

subscribing, the only thing that I could possible think better would be to put a TD into a MB convertible!!

Good luck

Wdiesel · #10 01-12-2017, 11:18 PM

I agree @freesoul!

I'm driving/fixing my brothers R129 and it is a nice chassis. Very nice.

The ZR5 seems like a good option as they are plentiful, can hold decent power and are relatively cheap. Step by step

Hario · #11 01-13-2017, 10:37 AM

You should be able to spacer down the ARB brackets with some 1"x 1" square aluminium bar stock like I did for sump clearance, this thread by a friend of mine might answer some of your install questions:

W124 OM606 STD in California

Wdiesel · #12 01-17-2017, 07:45 PM

Thank you Hario! I've actually been following this thread - it's amazing! Props to your friend. Excuse my ignorance, but what are ARB brackets?

The turbo block just got here from the UK

I'm nitpicking the detail of finding a proper flywheel, particularly with the tabs for the tachometer. I'm amazed t how cheap the BMW transmissions are, I find them more affordable than T5s. Not complaining in the least though. Thank you all for the suggestions and feedback!

Hario · #13 02-01-2017, 08:17 PM

Quote:

Originally Posted by Wdiesel

Thank you Hario! I've actually been following this thread - it's amazing! Props to your friend. Excuse my ignorance, but what are ARB brackets?

The turbo block just got here from the UK

I'm nitpicking the detail of finding a proper flywheel, particularly with the tabs for the tachometer. I'm amazed t how cheap the BMW transmissions are, I find them more affordable than T5s. Not complaining in the least though. Thank you all for the suggestions and feedback!

Lol, well a 'sway bar' is correctly named an Anti Roll Bar - ARB..

You can space the brackets down so the ARB does not contact the 606 sump as raised in your first post,

If you want you can see my temporary solution on page 2, and my better solution on page 5:

Mercedes C250TD Wagon - into - C300TD Wagon.. | Retro Rides

Wdiesel · #14 02-09-2017, 05:46 AM

Ahh speaking of which I was thinking of upgrading the sway bar to maybe out of a 400e?... Nice swap too!

To clear the sump I will swap the 95 w124 sump onto the om606.962. Hopefully it precludes me from dropping down the chassis point of contact for the sway bar brackets. Thank you for suggesting that option.

Wdiesel · #15 02-09-2017, 05:56 AM

For daily driving I'm thinking a 7.5mm pump is a good balance. For a transmission The ZF transmissions are a good option - though If I'm not going to crazy on power I'd like to keep the drive line Mercedes.

Also looked into using a T5, and an adapter plate for the om606 to GM box adapter as other options. A benzo box in 6 speed would be legit.

Another detail I would lik is to convert the foot brake into a hand brake. Shouldn't be too difficult. Thanks to drifters and offroaders there are even hydraulic options.