E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

w124 twin turbo help

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Old Aug 25, 2011 | 05:51 PM
  #1  
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W124 E220 carbriolet, '96
w124 twin turbo help

I am trying to track down a twin turbo kit for my e320 w124. i have looked for a while but am hitting dead ends.

can anybody help me. i understand one person brought the remaining kits, how can i contact him??

any help is much appreciated.

regards


(on a side note, my car is finally getting resprayed and the wald kit is installed, jenherts almost finished as well, will post pics when i get it back from the shop)
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Old Aug 25, 2011 | 06:49 PM
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'91 C124 300CE,'06 ML 500 W164, '00 BMW MCOUPE, '65 COBRA REPL.
Twin turbos were made for the M103 motors not for the M104s.
Impossible to find.
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Old Aug 25, 2011 | 07:22 PM
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1996 E320 Sportline Cabriolet x 2
Not so sure.......
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Old Aug 25, 2011 | 11:40 PM
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From: REHOBOTH BEACH DE
88-300CE TWIN TURBO, 99-C43, 05-G55K, 71-280SL, 94-E320 CAB, 08 CLK63 BLACK SERIES
TurboTechnics and Mosselman made twin turbo kits for the M103-12V and both the early and later versions of the M104-24V.

Mosselman is no longer owned by it's founder ***** Mosselman and has long discontinued not only the kits but support for them.

TurboTechnics built kits exclusively for Hughes of Beaconsfirld an authorized MB dealer in the U.K.
There may have been 50-100 kits produced and they were installed on new delivery 124's and Hughes extended a 12 month new car warranty.
These kits were a bit better engineered then Mosselman and had the attention of the U.K. motoring press.
Installed kits were $8K+ at the time.

TurboTechnics like Mosselman no longer produces or supports the kits which were made over twenty years ago.

In late 2006 Hughes decided to sell all the remaining NOS kits that they held in their parts department.
Kits were priced at 1000 sterling or approximately USD $ 2300.00.
The kits included a full true dual exhaust.
They sold out quickly and a few came into the USA and Canada.

Every once in a while you may find them for sale in the USA.
The last I know of was a kit that I put the seller in Florida in touch with a buyer in Baltimore, and that sale took place last year.

EBAY UK should be monitored as they are more apt to be offered for sale in the U.K.
One sold within the last month on EBAY U.K. for a very good price.
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Old Aug 26, 2011 | 04:34 AM
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1987 260e
Speaking of the twin turbo m103. i heard there is a trick with the manifolds of the 300d. to make it sync up with the m103 anyone got an article on that? i plan on making my own twin turbo.
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Old Aug 26, 2011 | 08:08 AM
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W124 E220 carbriolet, '96
If there are enough people, mosselman say they might do a re-run of the twin turbo kit. simply fill out the short form below to say that you might want one.


http://mosselmanturbo.com/others/res...arger-systems/
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Old Aug 26, 2011 | 08:54 AM
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Originally Posted by M103
Speaking of the twin turbo m103. i heard there is a trick with the manifolds of the 300d. to make it sync up with the m103 anyone got an article on that? i plan on making my own twin turbo.
I think it would be easier to simply modify your exhaust manifolds into 2 flanges and mount the turbos on them. Simply because the 300D wasn't TT either, so you'll have to fab those too unless you want to go single.

If you're willing to pay for them, the Mosselman kits are awesome. Least amount of headache and most amount of reliability.

I'd do so, but I'm already committed to my custom turbo setup.
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Old Aug 26, 2011 | 11:39 AM
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From: REHOBOTH BEACH DE
88-300CE TWIN TURBO, 99-C43, 05-G55K, 71-280SL, 94-E320 CAB, 08 CLK63 BLACK SERIES
Originally Posted by sagesingh
If there are enough people, mosselman say they might do a re-run of the twin turbo kit. simply fill out the short form below to say that you might want one.


http://mosselmanturbo.com/others/res...arger-systems/
Mosselman is fine but they have a few design limitations.
The original kits used a rather crude piece of electronics for the enrichment under boost.
Hard to run more then 7PSI boost without fear of detonation as the stock injectors aren't able to be pulsed with longer duration beyond a certain point.
The other area that I feel is not the best is the top mounted intercooler which has little or no airflow as it sits almost against the hood insulator pad.



TurboTechnics had an even cruder and less reliable electronic enrichment controller.
The strong point of the TurboTechnics design is the use of additional injectors.
By upgrading the enrichment control to a modern computer programmable stand alone unit like the Spilit Second AIC, one can raise boost and enrich to mid 11 AFR's via the additional injectors.

If one was to compare the two kits when they were new, the Mosselman would have an advantage as it had better enrichment control.
With the much better aftermarket electronic enrichment controls available, the additional injectors give the TurboTechnics a power advantage

Last edited by RBYCC; Aug 26, 2011 at 11:48 AM.
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Old Aug 26, 2011 | 02:24 PM
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W124 E220 carbriolet, '96
RBYCC, you have alot of knowledge and would like to pick your brain if i could.

As a twin turbo setup is not on the books right now what would you recommend to get extra power out of the 320?
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Old Aug 26, 2011 | 02:57 PM
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'91 C124 300CE,'06 ML 500 W164, '00 BMW MCOUPE, '65 COBRA REPL.
I stand corrected!!
Never knew this....
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Old Aug 26, 2011 | 07:06 PM
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2006 C55 AMG 6 speed
Originally Posted by sagesingh
RBYCC, you have alot of knowledge and would like to pick your brain if i could.

As a twin turbo setup is not on the books right now what would you recommend to get extra power out of the 320?
Go buy a 3.6 AMG engine without the wiring and bells and whistles, remove your engine, and install it. Then re-flash your ECU with the 3.6 programming, or get a 3.6 ECU. Ta da! 280 horsepower.
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Old Aug 26, 2011 | 11:57 PM
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88-300CE TWIN TURBO, 99-C43, 05-G55K, 71-280SL, 94-E320 CAB, 08 CLK63 BLACK SERIES
Originally Posted by sagesingh
RBYCC, you have alot of knowledge and would like to pick your brain if i could.

As a twin turbo setup is not on the books right now what would you recommend to get extra power out of the 320?
Not much available in the aftermarket that can produce power on a normally aspirated M103 or M104.
AMG had cams, higher compression, exhaust and head work along with increasing the 3.0L to 3.2L on the M103...
To replicate it would be very costly.

Similarly on the M104 AMG increased the 3.2 to 3.6...again to replicate very costly..

Less expensive as Shoomakan posted to buy a 3.6 from a C36 and install it in your car.

In the long run you'll make more power with a turbo install...
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Old Aug 27, 2011 | 12:02 AM
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1987 260e
So i am going to twin turbo it(m103) using the stock headers and flanges like shoomakan suggested. do you know any internals i should be wary of. going in blind i know its a tough block but im a lil worried this is my first turbo. i know the CIS-E can handle it but to what extent aswell.
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Old Aug 27, 2011 | 05:38 AM
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M103, keep in mind, this is a LOT of work. I've been researching this topic and consulting with Ed and many others for literally months before I started with it.

It looks to me that you have a 260E, which I don't think anybody has turbo'd. While I'm sure in many ways it is similar, I'm not sure it will handle as much power as the 3.0 M103/4 can.

If you're willing to pay some money, I really suggest you go do a E320 engine swap. You're gaining 70 horsepower that way, in a very reliable fashion, which is what you'd gain from a low boost setup. After that, if you still want power, start thinking about a turbo setup.

Now, let's get back to to Sagesingh's topic.
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Old Aug 27, 2011 | 06:24 AM
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1987 260e
sounds like to much work and too much $$ just swap to 3.0 if need be so i can continue my work.

i think he solved his problem. needs make one himself.
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Old Aug 27, 2011 | 06:51 AM
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It WILL be more expensive to install a turbo setup than to upgrade your engine, mate. The turbo + SplitSecond + turbo manifold alone could set you back over 2000$. That's without all the rest of the fabrication and components needed to complete your setup.

Install a 3.6 if the 3.0 is weaker than your goals. A 110 horsepower boost is nothing to be embarrassed about!
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Old Aug 27, 2011 | 04:20 PM
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1987 260e
Well where can i get the block and would it fit easy? i feel like i should pretty much get a new car at that point lol. My dad runs a fab shop i was planning on piggy backing on that. they cannot cast though.
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Old Aug 28, 2011 | 07:28 AM
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124 320ce amg widebody twin turbo, the nail
Originally Posted by M103
Well where can i get the block and would it fit easy? i feel like i should pretty much get a new car at that point lol. My dad runs a fab shop i was planning on piggy backing on that. they cannot cast though.
why dont you make some tubular manifolds then? they would be better than cast...
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Old Aug 28, 2011 | 11:36 AM
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1987 260e
derp, looks brutal though.
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Old Aug 28, 2011 | 01:34 PM
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W124 E220 carbriolet, '96
At the moment my car is a e220, i was planning a e320 donor and then twin tubro, However i never thought of the c36 amg engine. What sort of power gains 0-60 times would i be able to achieve? truthfully i would have preferred the twin turbo setup, however i am thinking about stability and a amg might actually be a more suitable option for me.

Would a 0-60 time of around 6secs be realistic?

if i do go down the c36 option, would it be a 'simple' engine swap? i assuming that would include the tranny, ecu & wiring. also for good measure might as well do the brakes and callipers.
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Old Aug 28, 2011 | 04:34 PM
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No, if you have a 220 4 cyl engine you'll be doing alot of work to fit the 3.6. At that point, besides engine mounts, tranny mounts, and all the other stuff (bigger radiator, brakes, not to mention differential) it costs too much.

It would be best to buy a E300 or even best an E320 and start from there. The 220 is hopeless.

And yes, the 3.6 running to 100 in 6 seconds flat is definitely achievable. Really, I think if you want the best results, get an E320 and just swap the block/head and ECU and you're done.

Oh, did some digging... The best thing to do for you in my opinion is a C230K engine swap. Same engine/mounts, comes with a supercharger and is good for 190bhp. Then at that point, a remap and a smaller pulley with an exhaust and you're good for around 240bhp. But that's about it. I'm not sure how easy it is to fit the supercharger on its own, you'll have to ask around. But it shouldn't be too difficult. And that way, your car retains its factory appeal.
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Old Aug 28, 2011 | 06:17 PM
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W124 E220 carbriolet, '96
I did think about a 2.3k but i want more power than that, i only going to convert it once might as well do it properly, and i think that after if i do put a 230k in, i wont be satisfied enough considering the work and effort put in.

If i were to buy a working e36 amg for around £2-3k and use that as a donor would that not work? or is the actual mountings in a different location.

ps. i know the 220 is useless, hence the change now i got the car, (it has been primarily my dads for the past 10+ years, so now i got it i can finally make it what i think it is supposed to be).

Last edited by sagesingh; Aug 28, 2011 at 06:27 PM.
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Old Aug 28, 2011 | 06:54 PM
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1996 E320 Sportline Cabriolet x 2
Sell it and buy an E320 Cabriolet and go from there - or leave it as it is!
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Old Aug 28, 2011 | 07:06 PM
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W124 E220 carbriolet, '96
Originally Posted by WDB124066
Sell it and buy an E320 Cabriolet and go from there - or leave it as it is!
as i said it was my dads for 10+ years and as such it holds a lot of sentimental value. not gonna get rid of her, and i just spent money of a wald body kit, rust proofing, jenerts, full respray, bilstein b12 suspension, custom chrome racing exhaust system etc...
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Old Aug 28, 2011 | 07:26 PM
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W124 E Cabrio, 997 Porsche cabrio
Turbo Technics in UK still has a few kits available, but they are missing few bits. U should contact them because they were offering it real cheap when I last spoke to them after purchasing a TT kit fore the cabrio.
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