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+--- Thread: Challenge for STD members (/showthread.php?tid=5129)
Challenge for STD members - 300SD_KY - 11-30-2013
Hemmings reported about 5-cylinder diesel engine from a w116 300SD with a few mods in the 1970s = 200 mile per hour vehicle
Challenge to DieselMeken: can you & crazy diesel performance Finns put together a package for a 2014 or 2015 Group Buy inspired by world's first 200 MPH diesel super car: http://www.hemmings.com/hmn/stories/2009/01/01/hmn_feature19.html
In time for Gatebil 2015?
RE: Challenge for STD members - MFSuper90 - 11-30-2013
I find it hard to believe they slapped a intercooler on it turned the boost up to 30psi different cam and BAM! They have 230hp.
Anybody else having trouble grasping that? All I'm missing is the cam, and I'm 100hp behind them! Haha
RE: Challenge for STD members - sassparilla_kid - 11-30-2013
Well first off, a w123 probably has like 14x as much drag as the C111, that thing also had probably 10 forward gears, and I bet it probably had like 8-10mm elements from the Bosch factory itself
RE: Challenge for STD members - Greazzer - 11-30-2013
Yes, that was a om617.952a engine, but reduce most of the drag, get rid of bunch of weight, boost fuel and air ALOT, and some other tricks of the trade, and yes 200 mph. Is it just a cam and some more boost ? I highly doubt that.
RE: Challenge for STD members - 300SD_KY - 11-30-2013
Here's a picture of the modified 3.0 liter 5-cylinder engine bay ...
Hard to believe this 1970s turbo-charged diesel capable of 200 MPH ...
http://www.mercedesclass.net/wp-content/uploads/2011/11/11C884_08.jpg
RE: Challenge for STD members - DiseaselWeasel - 11-30-2013
Jesus, this is an article by a journalist, not by a diesel tuning guru ffs, give it a break...
RE: Challenge for STD members - sassparilla_kid - 11-30-2013
I wonder what trans they used, and where can I get one
RE: Challenge for STD members - 300SD_KY - 11-30-2013
The car is on display at the Mercedes museum in Germany… Any forum members nearby?
RE: Challenge for STD members - MFSuper90 - 11-30-2013
(11-30-2013, 04:18 PM)300SD_KY The car is on display at the Mercedes museum in Germany… Any forum members nearby?
And can they please discretely steal the camshaft out of it and send it my way?
RE: Challenge for STD members - raysorenson - 12-01-2013
I read another article by a journalist that rode in an OM617 powered C111. The driver was instructed to make no sudden moves to the L or R because of all the cars on the circuit that were travelling at a much higher speed. Acceleration was weak with the 200mph gearing and a high speed was not reached on the test drive. Sounds pretty lame to me.
RE: Challenge for STD members - MFSuper90 - 12-01-2013
So basically, they made it to 200mph, but it took a VERY long time :p
RE: Challenge for STD members - 300SD_KY - 12-01-2013
I wonder how many drivers make sharp turns over 125 MPH?
RE: Challenge for STD members - Austincarnut - 12-01-2013
it had dry sump, custom injection pump, mid/rear engine, low drag coefficient, overdrive, etc.... Their car did make those numbers, a production/mod'd turd engine, w123? 30+ years later? no way! don't forget about the same time they were playinging with the rotary engine in the same chassis, sold off to mazda!
(11-30-2013, 12:48 PM)MFSuper90 I find it hard to believe they slapped a intercooler on it turned the boost up to 30psi different cam and BAM! They have 230hp.
Anybody else having trouble grasping that? All I'm missing is the cam, and I'm 100hp behind them! Haha
RE: Challenge for STD members - Simpler=Better - 12-01-2013
Ported head & bigger valves (couple hundred)
Custom cam($400ish?)
Bigger pump ($1200ish)
Bigger turbo (varies)
RE: Challenge for STD members - Volker407 - 12-03-2013
(11-30-2013, 02:50 PM)sassparilla_kid I wonder what trans they used, and where can I get oneUnless you have a C111 chassis in stock the gearbox is useless for you....
(11-30-2013, 04:18 PM)300SD_KY The car is on display at the Mercedes museum in Germany… Any forum members nearby?I live 20 miles away....
(11-30-2013, 05:29 PM)MFSuper90 And can they please discretely steal the camshaft out of it and send it my way?
This picture
http://www.mercedesclass.net/wp-content/uploads/2011/11/11C884_08.jpg
was taken outside, in front of the museum at a special presentation day where I didn´t have time to visit the museum.
Normally you don´t get any closer than being 5 meters away from the C111.
(11-30-2013, 02:29 PM)DiseaselWeasel Jesus, this is an article by a journalist, not by a diesel tuning guru ffs, give it a break...You are right, for example the indicated boost in the article is wrong. For the C111 stage 1 engine the boost is specified at 45psi!
Gruß
Volker
RE: Challenge for STD members - MFSuper90 - 12-04-2013
I thought rods started bending at 30+psi in a 617?
Unless they had custom rods or lowered compression?
RE: Challenge for STD members - Simpler=Better - 12-04-2013
(12-04-2013, 11:04 AM)MFSuper90 I thought rods started bending at 30+psi in a 617?
Unless they had custom rods or lowered compression?
If I was building an all-out racecar I would definitely use custom rods
RE: Challenge for STD members - Volker407 - 12-04-2013
(12-04-2013, 11:04 AM)MFSuper90 I thought rods started bending at 30+psi in a 617?The engine had custom rods + custom pistons + lowered compression to 1:19
Unless they had custom rods or lowered compression?
Gruß
Volker
RE: Challenge for STD members - MFSuper90 - 12-04-2013
Ah I see. So it was very built and very expensice