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Race IQ Cams?

Old 09-19-2018, 03:46 AM
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C55 AMG
Race IQ Cams?

Hello has anyone bought any Race IQ cams for your W203? I seen they have some for E55k and seen videos of them. They sounds real mean and aggressive but not sure if they would work on my C55. I currently replaced my stock cams and replaced them with the E55k cams.
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Old 01-07-2019, 07:41 AM
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C55 amg nitrous
What did you notice after doing e55 cams? Any difference? I dont know about the IQ cams but I did recently order kleemann cams. Waiting for them to be shipped.

I have a 2005 c55 amg
mods include
ECU tune
TCU tune
aftermarket intake air
150hp shot of nitrous
meth injection
Upgraded sway bars
EC shorty headers
mbh longtubes coming
kleemann camshafts on the way
alcantara steering wheel coming


Last edited by Anthony818; 01-07-2019 at 07:47 AM.
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Old 01-08-2019, 03:03 PM
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2006 Mercedes-benz C55 AMG
Originally Posted by Anthony818 View Post
What did you notice after doing e55 cams? Any difference? I dont know about the IQ cams but I did recently order kleemann cams. Waiting for them to be shipped.

I have a 2005 c55 amg
mods include
ECU tune
TCU tune
aftermarket intake air
150hp shot of nitrous
meth injection
Upgraded sway bars
EC shorty headers
mbh longtubes coming
kleemann camshafts on the way
alcantara steering wheel coming
Originally Posted by bayareaC55 View Post
Hello has anyone bought any Race IQ cams for your W203? I seen they have some for E55k and seen videos of them. They sounds real mean and aggressive but not sure if they would work on my C55. I currently replaced my stock cams and replaced them with the E55k cams.
I was actually looking into the cams a little while ago and they most likely will work is what some people said and the gain is very minimal unless you are boosted or have a shot of nitrous but if you do go for them can you do a before and after dyno run see the gains if they are good I'll pick some cams up to. Anthony how is the 150 shot treating you I heard 100 is max you can run on a c55 for it to be safe and how was the install you have pictures?
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Old 01-08-2019, 05:48 PM
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C55 amg nitrous
Hey atlas,

my 150 shot has been wonderful, I installed back in august and have had absolutely no issues, I stayed with a 50hp wet shot and eventually moved up to 100. Thats when I did the dyno (401hp 440tq) After the meth Injection was installed I bumped up to 125 and then eventually 150. I need to do another dyno run now because it is night and day after meth and the additional 50hp shot.. I have a wideband installed and keep the car at 12.0, I also have 2 step colder spark plugs. I also have a window switch installed so the nitrous shuts off right before I shift.

Last edited by Anthony818; 01-08-2019 at 06:09 PM.
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Old 01-12-2019, 08:58 AM
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C55 amg nitrous
UPDATE

Got the cams installed lastnight.

first I gotta say, the kleemann instructions were awful. The job needed way more in order to complete but man was it worth it! The car is so much smoother! All around drivability is just tons better, partly because my brother found a bad lifter while we was in there so i think that was causing some roughage. I gotta get the car to the dyno because I noticed a HUGE gain in power above 3krmp. The roads were a little wet so I didnt get a chance to try it with nitrous but I'm sure it's even a bigger gain. The car sounds a bit louder and the tone is slightly deeper. Overall, so far, I'm impressed. Now I just have to get the longtubes on!
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