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#16
04-12-2007, 06:00 AM
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really?
where do they go? and what purpose do they serve? tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis. 
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#17
04-12-2007, 09:43 AM
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They go here b/w the spring retainer and the rocker arm as can be seen in the attached images (#44)
You need to set the static spacing when assembling these cams, the hyd. compensator can only do but so much. Jonathan
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Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta
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#18
04-12-2007, 07:37 PM
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Speaking of wiped cams.....
At lleast three years ago, ZDDP, a zinc compound, was greatly reduced in on-road engine oils. The reason was aledgedly, the ZDDP was causing CatCons to fail. ZDDP, Zinc, is a major wear inhibitor in cams/lifters. On the racing scene, just about everybody has switched to roller cams now that all of their flat tappet cams have been destroyed because of this removal of a critical wear reducer. Those that can't afford to buy roller kits are using off-road only racing oil. Regular Racing Oil has had its ZDDP removed as well. "OFF ROAD ONLY" racing oil is the only gas engine oil that still contains the normal compliment of ZDDP. An alternative is Diesel engine oil, such as Delvac, Rotella, Dello. etc. I now run Rotella T in my engines, other than the 97 C280 and the 2001 E430, which get Mobile1.
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Thank You! Fred 2009 ML350 2004 SL600 2004 SL500 1996 SL600 2002 SLK32 2005 CLK320 cabrio 2003 ML350 1997 C280 Sport
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#19
04-12-2007, 08:58 PM
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FYI, the new diesel oils have had their ZDDP Greatly reduced as of 2007 with the advent of the new diesels. You can still get the old style but you have to buy it in a drum.
I'm using GM's cam/lifter additive that brings the levels of ZDDP etc back to as they used to be. Jonathan
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Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta
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#20
04-12-2007, 09:12 PM
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Quote:
What is the additive called / part number, and how much is needed per gallon of oil? But with all the oil I use, I may as well buy a drum. The problem is moving it! fwiw - 3 14 quart pans, plus oil coolers, and lines. About 17 quarts an engine, times 3.
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Thank You! Fred 2009 ML350 2004 SL600 2004 SL500 1996 SL600 2002 SLK32 2005 CLK320 cabrio 2003 ML350 1997 C280 Sport
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#21
04-13-2007, 01:39 PM
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GM Part # 12345501. Only available in 4oz containers. I use 1 & 1/2 containers per change (given we run a good bit more oil then domestic cars).
Jonathan
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Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta
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