CL55 AMG, CL65 AMG, CL63 AMG (C215, C216) 2000 - 2014 (Two Generations)

Intense run with the modded M6 (in Mexico of course)

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Old Oct 30, 2008 | 08:10 PM
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Fast cars in general....
Intense run with the modded M6 (in Mexico of course)

My friend has been saying the modded M6 (450WHP) will keep up with the modded CL65 (559WHP) in high speed run. So off we went and had three amazing runs. I couldn't capture them on the video since all the runs needed full drivers attention. I would say this is the most crazy run I ever did and I don't think I will ever do this again.

1st run: 100-180mph (speed indicated on the CL65)
CL65 wins by I would say about 12 car lengths

2nd run: 120-180mph (speed indicated on the CL65)
CL65 wins by I would say about 10 car lengths

3rd run: 150-200mph!!!! (speed indicated on the CL65)
CL65 wins by I would say about 6 car lengths

What's amazing was both cars were still accelerating at 200mph!!!
On a side note; it appears that the M6 had a speedometer error when CL65 showed 200mph, M6 speedometer indicated 212mph.








Last edited by gripforce-cl65; Oct 31, 2008 at 02:36 PM.
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Old Oct 30, 2008 | 10:13 PM
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Nice results! curious what is your RWTO?
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Old Oct 30, 2008 | 10:21 PM
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Holy ***** that is fast! How does the car feel at 200?
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Old Oct 30, 2008 | 11:26 PM
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Interesting! My father had an M6 for a while and I didn't know how it stacked up against the faster MBs. CLs were rare enough in the UK, let alone the AMG models!

He never took it up to high speed (well no more than 150mph). It used to garner a lot of attention from other people on the motorway, usually Mitsubushi Evos, Imprezas and the ilk. His tactic was to take the care up to about 140mph, then just settle back to 85mph/90mph, his usual highway speed. He felt his point had been made
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Old Oct 30, 2008 | 11:37 PM
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Did the M6 have aftermarket wheels and/or different(than OEM) sized tires???
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Old Oct 31, 2008 | 01:01 AM
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Originally Posted by moparrbust
Did the M6 have aftermarket wheels and/or different(than OEM) sized tires???
Me or gripforce?

I don't know enough about BMWs to know whether these were stock or not:
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Old Oct 31, 2008 | 03:00 AM
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yeh, that's 19" stock M6 wheels
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Old Oct 31, 2008 | 10:47 AM
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Originally Posted by Fraser
Interesting! My father had an M6 for a while and I didn't know how it stacked up against the faster MBs. CLs were rare enough in the UK, let alone the AMG models!

He never took it up to high speed (well no more than 150mph). It used to garner a lot of attention from other people on the motorway, usually Mitsubushi Evos, Imprezas and the ilk. His tactic was to take the care up to about 140mph, then just settle back to 85mph/90mph, his usual highway speed. He felt his point had been made
Haha, yeah after about 135 or so, a stock STI or Evo really hits a brick wall. And they are geared pretty short.

What mods did the M6 have? Its amazing how hard they pull at super high speeds.
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Old Oct 31, 2008 | 11:38 AM
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Originally Posted by BenzBoy12
What mods did the M6 have? Its amazing how hard they pull at super high speeds.
My father's? None.

He never mods his cars.
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Old Oct 31, 2008 | 11:51 AM
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Originally Posted by Fraser
My father's? None.

He never mods his cars.
Oh...no, the guy who raced gripforce. Sorry! But good to know anyway, lol.
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Old Oct 31, 2008 | 02:11 PM
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Originally Posted by moparrbust
Did the M6 have aftermarket wheels and/or different(than OEM) sized tires???
No aftermarket wheels but I swapped the stock rear tires with the Michelin PS2 295/30-19 (smaller overall diameter)




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Old Oct 31, 2008 | 02:21 PM
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Thats what I'm talking about
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Old Oct 31, 2008 | 02:42 PM
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Originally Posted by Thericker
Nice results! curious what is your RWTO?
When I re-dynoed the car, torque measured at 698 wtq (approx. 851 tq at the flywheel!!!! w/ 18% drivetrain loss)

Last edited by gripforce-cl65; Oct 31, 2008 at 03:00 PM.
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Old Oct 31, 2008 | 03:02 PM
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Originally Posted by BenzBoy12
Oh...no, the guy who raced gripforce. Sorry! But good to know anyway, lol.
M6 has Evosport ECU mod, pulleys, 2nd cat delete, carbon filter removed, Eisenmann Race (Not Eisenhaus... LOL)
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Old Oct 31, 2008 | 04:05 PM
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Nice runs!!! There seems to be a certain myth that the M5/M6 will pull on the the 65's above 150mph. I know your car isn't exactly stock ...but neither was your M6. I am glad that your CL65 acquitted itself so well up top.

Do you run 91 octane on the CL65?

tom
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Old Oct 31, 2008 | 05:55 PM
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Yes, both cars ran w/ crappy CA 91 octane. Someone told me that ecu modded CL65 runs better with 100 octane. I think its a BS but what do I know?
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Old Oct 31, 2008 | 07:07 PM
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Greg is this the same M6 that we raced almost a year ago? Did you buy it off your buddy?

My M6 was slower back then but still wont hold a candle to your 65
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Old Oct 31, 2008 | 07:10 PM
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Originally Posted by gripforce-cl65
Yes, both cars ran w/ crappy CA 91 octane. Someone told me that ecu modded CL65 runs better with 100 octane. I think its a BS but what do I know?
A turbo engine will benefit from the higher octane gas...
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Old Oct 31, 2008 | 08:19 PM
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Originally Posted by Vic55
A turbo engine will benefit from the higher octane gas...
Yes indeed, my near stock SL600 TT loves race gas the difference is very noticable.

I've talked w/Vadim/VRP & he told me that basic CA 91 is very poor grade gasoline, & 93 or better will really wake the car up & bring out the full factory or tuned potential.
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Old Oct 31, 2008 | 09:22 PM
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Originally Posted by Vic55
Greg is this the same M6 that we raced almost a year ago? Did you buy it off your buddy?

My M6 was slower back then but still wont hold a candle to your 65
Yeah, we actually traded the car. He took my Z06 and I took his M6.
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Old Oct 31, 2008 | 09:26 PM
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Originally Posted by Thericker
Yes indeed, my near stock SL600 TT loves race gas the difference is very noticable.

I've talked w/Vadim/VRP & he told me that basic CA 91 is very poor grade gasoline, & 93 or better will really wake the car up & bring out the full factory or tuned potential.
Well, if that's the case then I may do it again with 100 octane gas. Stay tuned
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Old Oct 31, 2008 | 09:54 PM
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Originally Posted by gripforce-cl65
Well, if that's the case then I may do it again with 100 octane gas. Stay tuned
I heard that you need some mileage before the ECU will adapt to the 100 octane gas. Now that gas prices have fallen a bit, it won't be such a huge hit to fill it up a couple of times with the race gas.

Tom
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Old Oct 31, 2008 | 10:01 PM
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Originally Posted by TMC M5
I heard that you need some mileage before the ECU will adapt to the 100 octane gas. Now that gas prices have fallen a bit, it won't be such a huge hit to fill it up a couple of times with the race gas.

Tom
I noticed a SOTP difference after driving about 40-50 miles Also saw the difference when running some friends after, results were night/day
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Old Oct 31, 2008 | 10:06 PM
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Originally Posted by Thericker
I noticed a SOTP difference after driving about 40-50 miles Also saw the difference when running some friends after, results were night/day
The closest place that sells 100 Octane gas at the pump is 50 miles away...I should be feeling it by the time I get back here.

Tom
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Old Oct 31, 2008 | 11:07 PM
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Originally Posted by TMC M5
The closest place that sells 100 Octane gas at the pump is 50 miles away...I should be feeling it by the time I get back here.

Tom
Sweet side note: 1 thing I've noticed using 93-100 octane is from a dead stop ala' stoplight & romp the pedal she'll light up the tires & continue thru the entire intersection until I lift off the gas, vs using 91 octane the tires light up but traction cntrl quickly intervenes cutting power & applying brakes shortly after initial short burnout etc.. (Both these tests of mine are done w/ESP off)

With high octane it changes the character of the car, & no it's not just extra worn tires as I've ran it multiple times w/91 octane vs 93-100....

Last edited by Thericker; Oct 31, 2008 at 11:12 PM.
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