Guys. Really need advice on the tolerance of the 4 Speed. Will it handle the 300whp+? I have dropped mine off to Merc Transmission Specialist & it has been suggested that it may be better to run a Chev Turbo 350 Trans with adapter bits.

How has others auto held up to the turbo or twin turbo set up?

Cheers, Tim

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um.....why have men got nipples

whatttt.
it sure can take it, especially if u re-inforce it with internals of the E500 trans. and you can take it one step further and install kevlar disks. and stronger bonds.

My W124 M103 TT made abt 240hp on the wheels atleast and the gearbox had on it already 350000km (not reinforced in any way), and it lasted thru the 25000km with boost, and now the car has abt 390000km and stilll on the original auto. and i used to drive it like i stole it. just check my vids and ull see.

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Jay,
-----------------
-1995 Blue W202 C36 AMG (M) SOLD ;(
-1995 Black W140 S500 (Lady)
-1992 Black W124 E300 (Dima) (Ex-Mosselman
Twin turbo Kit).
-1988 Black W124 300 E 4-Matic.(Nadeen)
-1983 Brown W126 500SEL.(Old Lady)(Sold)
-1981 Gold W123 280CE.(Dareen)(Sold)
http://www.youtube.com/user/jayrasheed

Thanks JayRash. These boxes havn't got a good reputation over here that's all. Mine has very low kms on it since replaced in 2006 but I have no idea of the treatment history.

I've already had the torque convertor high-stalled to 2500rpm so I really would rather use box. I finally have found a 2nd hand replacement engine with good compresion so car will be over to workshop soon to be started the LPG fit out (overhaul). Turbo has been reco'd & is ready.

Thanks again mate!

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um.....why have men got nipples

bad rep over here?? dont know what makes you say that but i had a 260e which i use to flog around in (as much as you can flog a 260e...) and the gearbox took the grunt of it, but i haven't heard any one say anything bad about them over here

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'85 190, unrego'd (prospect track car)
'87 190e, manual (kinda rare in australia)
'89 260e

sorry buddy. I was referring to when you throw some real power @ them. They aren't the best. But, it's probably like anything else. If you don't maintain them. Like the heads. I'm seeing a pattern amongst older Benz's here being neglected & then when they fail people assume they're no good.

They think just because the cars have a reputation for doing huge mileage that they can get away with not servicing them. They have an alloy head like any other modern car so, have to treat em right

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um.....why have men got nipples

I run 350+rwhp regularly on a bone stock 1995 E200 4 speed auto box have no clue what the actual part # is but it has held up for 5000 miles of abuse without zero issue. Has 85,000 actual well documented miles Between me and the first German owner (Hagen, Germany) where I bought the car in 2000.

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Turbo Benz-Everyday
Turbo BMW- Every night
Turbo Porsche- Los Angeles To Seattle Flights

Yeah, thanks for thumbs up. I have had the trans rebuilt & got Merc specialist to add shift kit. So when it is coupled to the stall converter I had fabricated, should be a tough, aggressive box when fitted. I'm hoping for this same power if I use engine in stock form without rebuilding it.

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um.....why have men got nipples

There are several different 4-speed transmissions. The 722.4 is smaller/weaker and would not handle that kind of power. The 722.3 was even used behind the M120/V12 and can easily handle 450hp/450tq if built properly. You need to specifcy which tranny you're inquiring about.

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Check out my website photos, documents, and movies!

Thanks gsxr. I have since had the trans rebuilt due to it being all but worn out. Also had them fit a shift kit & had the converter stalled to 23/2500rpm to better suit the turbo response. The Merc workshop tagged it 722.3

You've just made my day

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um.....why have men got nipples

gsxr, are you sure the 722.3 was coupled behind the V12? I have since read it was the 722.6 having stronger internals. Just curious as I want to learn all I can about the W124's.

Thanks for helping

P.S. Here's a good link showing full serial numbers & applications from 81' through to 94'. Also you can follow onto current models. Quite
http://www.europeantransmissions.com/Application.htm

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um.....why have men got nipples

Yes. However, it was a specific version of the 722.3xx, and the bellhousing pattern was different - it won't bolt up to anything else besides the V12. But the internals are very similar. The V12 version had beefed up parts inside, and you can use the V12 tranny parts when rebuilding any 722.3 to make it stronger. However, even the "standard" 722.3 is quite strong. I know you can add additional clutches to one of the clutch packs. I'm not an expert on this, as I've never had a stock 722.3 fail and need beefing up - yet!



The 722.6 is the fully electronic 5-speed auto with overdrive... this is a good tranny, but was never used from the factory on any W124. It was also used behind the V12 (M120) engine and can handle the torque without problems. This tranny first appeared in 1996 and was used for a good ten years or so, maybe longer.



Cool link! Although it doesn't appear in the list, the S600/W140 used the 722.362 transmission (later replaced by the 722.621), same as the SL600/R129.

Thanks again. Very informative!

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um.....why have men got nipples

And i think the 4 speed equiped 36 AMG has the 722.328

__________________
Jay,
-----------------
-1995 Blue W202 C36 AMG (M) SOLD ;(
-1995 Black W140 S500 (Lady)
-1992 Black W124 E300 (Dima) (Ex-Mosselman
Twin turbo Kit).
-1988 Black W124 300 E 4-Matic.(Nadeen)
-1983 Brown W126 500SEL.(Old Lady)(Sold)
-1981 Gold W123 280CE.(Dareen)(Sold)
http://www.youtube.com/user/jayrasheed