M156 Camshafts which to pick
Thread Starter
Member
Joined: Apr 2022
Posts: 188
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2012 C63 P31 and 2011 E550 Luxury
M156 Camshafts which to pick
hello considering upgrading my cams, is there much of a difference between VRP street cams and the 63Motorsports cams? Specifically Stage 1 63motorsports vs the VRP.
https://www.63motorsports.com/afterm...m156-camshafts
https://www.vrpspeed.com/product/inc...156-camshafts/
https://www.63motorsports.com/afterm...m156-camshafts
https://www.vrpspeed.com/product/inc...156-camshafts/
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Joined: Jul 2012
Posts: 869
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2013 c63 Magnuson SCed
hello considering upgrading my cams, is there much of a difference between VRP street cams and the 63Motorsports cams? Specifically Stage 1 63motorsports vs the VRP.
https://www.63motorsports.com/afterm...m156-camshafts
https://www.vrpspeed.com/product/inc...156-camshafts/
https://www.63motorsports.com/afterm...m156-camshafts
https://www.vrpspeed.com/product/inc...156-camshafts/
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From: Texas
10 C six trizzle
The problem with cams in our application is there is zero back to back data between cams or before and after cams. I'm sure they leave some power on the table but the intake manifold is the largest restriction. Unless your cams are trashed, id pass on spending $4k+ in parts for poorer drivability and 20-30whp.
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From: Keep it simple - keep it OEM
AMG C63s Coupe
Is the cam problem now exactly diagnosed from what it comes ?
- poor oil supply ?
- quallity problem cams ? ( i dont think over the years , MB would bent this)
one of them all of them or something other
mostly i hear the higher seating cams have this problem ?
I would try to refubish the oem cams & use DLC cups.
I think this is the best way .
- poor oil supply ?
- quallity problem cams ? ( i dont think over the years , MB would bent this)
one of them all of them or something other
mostly i hear the higher seating cams have this problem ?
I would try to refubish the oem cams & use DLC cups.
I think this is the best way .
Last edited by C63s_Jack; May 7, 2026 at 07:54 AM.
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From: Keep it simple - keep it OEM
AMG C63s Coupe
[QUOTE=roadtalontsi;9288022]but the intake manifold is the largest restriction.
Do you mean the silver box or this stuff what this US Tuning company ( forgot name) in carbon offers ?
Do you mean the silver box or this stuff what this US Tuning company ( forgot name) in carbon offers ?
Thread Starter
Member
Joined: Apr 2022
Posts: 188
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2012 C63 P31 and 2011 E550 Luxury
I appreciate the responses, does anyone know how these cams compare to the VRP or 63 ones?
https://www.blackboostusa.com/produc...IaAnplEALw_wcB
I am wondering what is a better stronger cam between VRP and Blackboost
https://www.blackboostusa.com/produc...IaAnplEALw_wcB
I am wondering what is a better stronger cam between VRP and Blackboost
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Super Member
Joined: Jul 2012
Posts: 869
Likes: 175
2013 c63 Magnuson SCed
I appreciate the responses, does anyone know how these cams compare to the VRP or 63 ones?
https://www.blackboostusa.com/produc...IaAnplEALw_wcB
I am wondering what is a better stronger cam between VRP and Blackboost
https://www.blackboostusa.com/produc...IaAnplEALw_wcB
I am wondering what is a better stronger cam between VRP and Blackboost
Both Blackboost and 63 motorsports are billet replacements with stock profiles. Fantastic products we still need produced, I just wanted more than stock.
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Senior Member
Joined: Jun 2020
Posts: 433
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From: Texas
3.0L Whipple E63 AMG
I went with race spec camshafts from Web Camshafts, they're about the most aggressive cams you can get without doing any head work or valve springs. I've been running them for over 4 years without any issues.
Expect gains from 30whp on NA and 60+whp on supercharged applications.
Expect gains from 30whp on NA and 60+whp on supercharged applications.
Thread Starter
Member
Joined: Apr 2022
Posts: 188
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2012 C63 P31 and 2011 E550 Luxury
I went with race spec camshafts from Web Camshafts, they're about the most aggressive cams you can get without doing any head work or valve springs. I've been running them for over 4 years without any issues.
Expect gains from 30whp on NA and 60+whp on supercharged applications.
https://www.youtube.com/watch?v=s-HWsGQujDQ
Expect gains from 30whp on NA and 60+whp on supercharged applications.
https://www.youtube.com/watch?v=s-HWsGQujDQ
Last edited by Madcow554; May 7, 2026 at 11:50 PM.
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From: Texas
3.0L Whipple E63 AMG
Other option is PTG billet cams, but they are twice the price.
You'll need a custom tune, and I recommend getting the SLS Black Series tappets.
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2012 C63 P31 and 2011 E550 Luxury
They are not billet, they are hard-welded, Web Camshafts is the same company VRP uses to source their cams. I don't think they sell directly to customers anymore, you'll have to spec them through VRP and ask for the race spec cam.
Other option is PTG billet cams, but they are twice the price.
You'll need a custom tune, and I recommend getting the SLS Black Series tappets.
Other option is PTG billet cams, but they are twice the price.
You'll need a custom tune, and I recommend getting the SLS Black Series tappets.
Senior Member
Joined: Jun 2020
Posts: 433
Likes: 583
From: Texas
3.0L Whipple E63 AMG
With the SLS Black Series tappets you can rev the engine safely with the added lift and duration of larger cams.
MBWorld Fanatic!
Joined: Oct 2007
Posts: 2,299
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From: Texas
10 C six trizzle
[QUOTE=C63s_Jack;9288079]
No that is an airbox. I'm talking about the manifold itself. It will always be a bottle neck as it is a multi length intake runner and designed to create maximum torque rather than horsepower for better street drivability. Look at the SLS intake manifold as it is the opposite. Maximum horsepower without any consideration for torque.
The PTG camshafts are billet and are also dlc coated. expensive yea, top quality yep.
As for the oem camshafts being a flaw or issue that is not the case. This is a race engine guys. Some parts do become consumable at some point. It's the unfortunate reality of not being a 120hp 2L honda engine from the 90's. This same thing happens on the carerra gt. ironically same engine designer. A 6.2L Naturally aspirated port injected V8 that can rev to 7k rpm (8k for SLS BS thanks to dlc lifters) that can pass emissions and be reliable is asking a lot for a street car.
lastly to add SICKTY3 sounds nasty and amazing.
The PTG camshafts are billet and are also dlc coated. expensive yea, top quality yep.
As for the oem camshafts being a flaw or issue that is not the case. This is a race engine guys. Some parts do become consumable at some point. It's the unfortunate reality of not being a 120hp 2L honda engine from the 90's. This same thing happens on the carerra gt. ironically same engine designer. A 6.2L Naturally aspirated port injected V8 that can rev to 7k rpm (8k for SLS BS thanks to dlc lifters) that can pass emissions and be reliable is asking a lot for a street car.
lastly to add SICKTY3 sounds nasty and amazing.
