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Question for MHP speed limit remover with ecu?

Old Oct 21, 2008 | 10:54 AM
  #1  
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Question for MHP speed limit remover with ecu?

Hi MHP,
Reading you thread on your ecu only tune do you remove the speed limiter on c63???If so; what is the dyno top speed 7000rpm 7th gear?
Thanks for the recent offering to tune ecu only...looking forward to mhp products
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Old Oct 21, 2008 | 12:45 PM
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MHP
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'09 C63 AMG
Originally Posted by Carey
Hi MHP,
Reading you thread on your ecu only tune do you remove the speed limiter on c63???If so; what is the dyno top speed 7000rpm 7th gear?
Thanks for the recent offering to tune ecu only...looking forward to mhp products
We can remove it from anything we tune not just a C63.

Honestly the top speed in 7th is theoretical only as the motor could never pull such a tall gear with the present differential gearing. Redline in 5th was at or over 185mph.
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Old Oct 21, 2008 | 12:53 PM
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From: OC
a quarter mile at a time
given a 255/35-R18 tire, 2.85 final drive and 7th gear is 0.73, the theoretical speed at 7,000 rpm is 250.5 mph. Of course, the C63 would never be able to reach this speed due to wind resistance.
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Old Oct 21, 2008 | 01:03 PM
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From: San Antonio, TX
09 C63
Originally Posted by e1000
given a 255/35-R18 tire, 2.85 final drive and 7th gear is 0.73, the theoretical speed at 7,000 rpm is 250.5 mph. Of course, the C63 would never be able to reach this speed due to wind resistance.
yes huh...
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Old Oct 21, 2008 | 03:28 PM
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From: Baton Rouge, La.
Steel Gray 09' C63 AMG
Originally Posted by e1000
given a 255/35-R18 tire, 2.85 final drive and 7th gear is 0.73, the theoretical speed at 7,000 rpm is 250.5 mph. Of course, the C63 would never be able to reach this speed due to wind resistance.
WOOOOSH.............. Time to take a trip to the Salt Lake.
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Old Oct 21, 2008 | 04:34 PM
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From: OC
a quarter mile at a time
Theoretical top speed for each gear @ 7,200rpm

1st - 42.9mph
2nd - 65.7mph
3rd - 97.9mph
4th - 137.3mph
5th - 188.1mph
6th - 229.3mph
7th - 257.6mph
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Old Oct 28, 2008 | 08:52 AM
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From: N.Jersey and New York, stationed in Germany
W164 ML500,SMART For two,1994 C280(5speed manual) 1999 C230k station wagon
Originally Posted by e1000
Theoretical top speed for each gear @ 7,200rpm

1st - 42.9mph
2nd - 65.7mph
3rd - 97.9mph
4th - 137.3mph
5th - 188.1mph
6th - 229.3mph
7th - 257.6mph
Holy schnookies, I have to get this beast on the autobahn!!!
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Old Dec 6, 2008 | 07:54 AM
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From: N.Jersey and New York, stationed in Germany
W164 ML500,SMART For two,1994 C280(5speed manual) 1999 C230k station wagon
I thought I would bring this back since it kinda goes hand in hand with the top speed "320kph" vid.
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