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#1
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Strengthening the 722.6 to handle more torque
I was thinking of doing a diesel build once I acquire my E300. The OM606 is a strong platform that can handle at least 500HP stock, but the amounts of torque being put out would destroy the transmission. I am trying to think of ways to mod and strengthen the 722.6 to handle a lot of torque. Anyone done this or heard of it?
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#2
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That would be called a 722.3XX Transmission.
If it'll bolt up to the OM606.
Why exert extra effort when Stuttgart has already "Gone Down that Road,for you"?
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'84 300SD sold 124.128 |
#3
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I've heard of it. Turbobandit say they do it => the bloke who started this thread =>
http://www.peachparts.com/shopforum/performance-paddock/174080-300e-12v-turbo-project-52.html I don't think there is all that much that can be done with the brake bands (may be a different friction material?) but I think one trick is to increase the friction area in the clutches by introducing more friction plates and stators. Best to check with them
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#4
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These guys (And the Finns and Swedes)
Are the Envelope Pushers on this front:
BEST TRANSMISSION??? Excerpt from Petar: "6 speed mercedes has been proven up to 450Hp, 750 Nm by hansebanger. 722.6 is pretty much indestructible when built properly, will hold in excess of 1000 Nm."
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'84 300SD sold 124.128 |
#5
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From memory:
'97 and up already have this transmission but there are a couple versions. I believe the desirable one is from the S600 or it's AMG variants. Apparently, they have certain beefed up internals but I'm not sure which.
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-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#6
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They use a 722.6 in a CL65 which has about 740ft/lbs torque. You're thinking that your car will make more?
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With best regards Al |
#7
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They also continued to use the 722.6 in the SLR McLaren and all the AMG cars with 5.4 liter supercharged V8.
Why do you think it can't handle the torque of your diesel?
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Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron". |
#8
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Quote:
I wonder how easy it would be to find a 722.633 or a 722.636 or a 722.643 or a 722.649 though - or if they would fit an OM606
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#9
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Quote:
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#10
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Quote:
As a street car, I still want to drive it. I know the torque I'll be putting out will destroy the diesel trans.. I just don't think the 722.6 for a diesel could handle anything over 400NM of torque for a long period of time. |
#11
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Quote:
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With best regards Al |
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