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John
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Road Racing? Autocross? Dragging? Rally? Drift? Time Attack?
For one, you cant race without suspension.
For two, wide body wont have any affect on your racing results.
For three, if it's street racing and you're 16 years old i vote ban.
my car did a 13.7 stock trapping 98 mph at best thusfar.
no motor adds, about 80 degree heat, street tires.
launching traction control off from 2nd gear.
i dont know about yours though, i think the 04's have the 5 speed gearbox rather than the 7 like the 05 and ups no? you might be best off launching in first.
look in the clk430 w208 part there is some 1 turboin his car right now look at his pic 2 c if u like it
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The Best of Mercedes & AMG
You need power, for a car as heavy as the CLK (even with weight reduction) you will need at least 500+rwhp to brake into the low 11's or high 10's. This will involve force induction, or a crazy swap for a bigger benz engine, even then the swap and the powerband is not what you want in some cases for a drag car. So say you go turbo, you need to figure out your fuel to compensate for it, and most important the tuning. The only piggyback i know of that might work is the mapecu 1 or 2, even then the tuning involved to make it work with the OEM ECU is crazy. You might as well go full standalone, then you run into the problem of wiring, and finding someone able to tune the car correct and have it drive "normal". if you can figure all this out then your probably well over 10k reaching the 20k mark.
Then you need to put that to the grou, what are you going to do with the trans, i highly doubt the benz trans can handle hard launces at that powerband. Say you dump 5-10k on building the trans and it does hold it cool. Then suspension, the rear suspension of the benz is not designe for drag, you will have plenty of problems finding suspension parts to put the power down. After that you will start braking parts, axels, diff's, rods, links, etc...
What im saying is you can do it if you throw enough money into it, in the end its your money. IMO it will be a total waste of time, 99% of the people who attempt this will either quit half way or build what THEY consider a drag car and in acutallity it will be only a "fast" benz.
if you really want a brake down in detail PM me, i'll let you know what was done to my supra, past Rx7, and a few other cars, and what you can expect.

that was a 13.4 second car trapping crazy numbers at 14 pounds of boost. it didnt even have 300 horsepower, just to give you a comparison as to how much the mercedes is lacking as far as a race car setup goes.
Lol..................the 6.3 AMG conversion will cost at least twice then what your car worth right now.

Dude, just sell your car and get an AMG or even better get an S/CL 65 AMG for around $50K !!
Last edited by MB Dave; Sep 28, 2009 at 02:10 PM.
mine was reliable until i gripped the bank at an event and hit the front on the wall so hard the back bounced in the air and hit a second later. it was like a fiberglass shower.
now the motor is built in some other dudes car.
im getting into road racing now, i think im gonna build a big turbo TT quattro, or possibly wait for the lotus's to drop a little more. they're afforadable right now, but still dropping in value fast.



, they are a heck of a bargain these days (in the 70s)...