SL-Class (R129) 1990-2002: SL 280, SL 300, SL 320, SL 500, SL 600, SL 60 AMG

SL/R129: Woah. Blown V12!

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Old 05-17-2006, 11:13 PM
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R230 SL63 | W220 S55
Woah. Blown V12!

M120 V12 + Vortech Supercharger (what looks to be) = 600 hp R129!
I wonder how much boost the M120 can handle with stock internals. A 350Z can handle 5-6 psi on stock internals and make reliable power, and the M120 several worlds superior to the 350Z motor. Temptation is toying with me...

HLG

http://www.benzworld.org/gallery/sho...3&ppuser=21944
Old 05-18-2006, 02:01 AM
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1996 SL600 - 100% Stock
What a relief

I thought, based on the title, that you were going to report a blown(up) engine. I feel the same way as you. I'd like to add a supercharger to my 600, but I don't know of a factory approved model. If you find one, I'd really like to know about it.

Tip DS
Old 05-18-2006, 04:13 AM
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SL000
There it is............
Attached Images
File Type: bmp
Copy of Supercharger V12.bmp (527.4 KB, 3713 views)
Old 05-19-2006, 12:13 AM
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R230 SL63 | W220 S55
Oh man, so tempting! 600 reliable horsepower!
Old 05-19-2006, 12:17 AM
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R230 SL63 | W220 S55
Originally Posted by tipds
I thought, based on the title, that you were going to report a blown(up) engine. I feel the same way as you. I'd like to add a supercharger to my 600, but I don't know of a factory approved model. If you find one, I'd really like to know about it.

Tip DS
Well, I doubt the factory would approve supercharging the car, but I do know this: the M120 V12 is a tank of a motor and can handle pressure. It has 48V with quad cams and Germany's best engineering put into it. The motor is even good enough to be used by the Pagani Zonda supercar (although that version is heavily tuned by AMG). It should be able to handle it. The only issue would be find a reliable installer who is familiar with the motor and forced induction.
Old 05-19-2006, 12:18 AM
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R230 SL63 | W220 S55
Guys, our 600s pull hard now. Can you imagine how they will fly with such an upgrade!?
Old 05-19-2006, 12:22 AM
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1996 SL600 - 100% Stock
Huh?

That picture just doesn't look right to me. Is that on the SL600? Maybe the picture is zoomed in to far for me to get a reference, but it just doesn't look like the V12 I'm familiar with. If it IS the same engine, can you tell us something about the supercharger? Who is it from? It's not AMG, is it??

Have you put it on the dyno? If so, can you tell about the HP & torque? What about a power/torque curve... do you have a printout? I'd really like to know as much as possible about this little puppy. How about fuel economy? Please... spill all the beans.

Tip DS
Old 05-19-2006, 01:26 AM
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SL000
Well...there is more ....
Does this look like V12?
LOOK at the link.........
Attached Images
File Type: bmp
V12 supercharged.bmp (527.4 KB, 6154 views)
File Type: bmp
V12 supercharged2.bmp (527.4 KB, 3983 views)

Last edited by TheV12pwr; 05-19-2006 at 01:35 AM.
Old 05-20-2006, 09:29 PM
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R230 SL63 | W220 S55
Originally Posted by tipds
That picture just doesn't look right to me. Is that on the SL600? Maybe the picture is zoomed in to far for me to get a reference, but it just doesn't look like the V12 I'm familiar with. If it IS the same engine, can you tell us something about the supercharger? Who is it from? It's not AMG, is it??

Have you put it on the dyno? If so, can you tell about the HP & torque? What about a power/torque curve... do you have a printout? I'd really like to know as much as possible about this little puppy. How about fuel economy? Please... spill all the beans.

Tip DS
The photos of the motor are from BenzWorld (see the link from first post). I have no other information on the car, except from what the owner posted on it. The supercharger is not from AMG - this appears to be a Vortech Centrifugal Supercharger, which is a different style than the one AMG uses. I'd love to see some dyno sheets.
Old 05-23-2006, 06:56 PM
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Imagine what would happen if I put this supercharger in my SL73 AMG...

...but I'd never do this, this would be the destruction of an original AMG car...


@HLG600
The Pagani Zonda 1st series used the Original 6.0l V12 engine from Mercedes-Benz without any AMG tuning.
The later Zonda cars used different AMG tuned variants of the M120 V12 engine (7.0L V12, 7.3L V12)
Old 05-23-2006, 08:22 PM
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Interesting, I followed up on that and am impressed. So even the stock M120 was used in the Zonda...shows something about the build quality of the motor.
Old 05-30-2006, 12:56 AM
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Ducati
Hmmm.... This gives me an idea. How about just stripping about 2000lbs of weight from the car. That would make it handle like mad, and go like mad too.

Lets see how it stacks up now. 2 Tons, and 400 horsepower. Breathtaking acceleration.

Modded with weight reduction. 1 Ton and 400 Horsepower. We got something going there.

Then supercharge it. It would be fast.
Old 06-03-2006, 12:16 PM
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95 SL600 91 500SL
I have searched everywhere for a supercharger for the 600 with no luck. I had a 95 sl600 and recently purchased a Renntech modified SL74, but now, 585HP isn't enough. I'd love to find a supercharger for this car, but I'm afraid the tranny would fry. It's been upgraded by renntech but still struggles with the horsepower.
The biggest problem, besides the limited space in the engine compartment, is the dual intakes. The intakes would have to be routed together and then separated again, and there is no space for all of this extra plumbing.
Old 06-03-2006, 01:52 PM
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SL500 2001 Formula 1 Edition;
Originally Posted by RSpreier
I . . . purchased a Renntech modified SL74, but now, 585HP isn't enough.
Dude, that is one of the funniest things I've ever read. You flying to the moon?

I bet you pity us suckers who are stuck with only 302 HP.

Hey, I've done some work with GE's jet engine department -- maybe I can hook you up with somebody overthere. They'd maybe give you a deal on one of the test engines.

ROCK ON!!!

Old 06-03-2006, 05:09 PM
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Originally Posted by RSpreier
I have searched everywhere for a supercharger for the 600 with no luck. I had a 95 sl600 and recently purchased a Renntech modified SL74, but now, 585HP isn't enough. I'd love to find a supercharger for this car, but I'm afraid the tranny would fry. It's been upgraded by renntech but still struggles with the horsepower.
The biggest problem, besides the limited space in the engine compartment, is the dual intakes. The intakes would have to be routed together and then separated again, and there is no space for all of this extra plumbing.
Did you happen to purchase the white one that was on autotrader, or the black one on eBay? Both were awesome RennTech examples.
Old 06-04-2006, 03:37 PM
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95 SL600 91 500SL
I actually purchased the white one. I got it from a dealer in Houston. The car was originally owned by Mo Vaughn (formerly of the boston red sox). He spent 136k for the car and then paid renntech 73k to modify it. Even at 4500 lbs, there are very few cars, outside of the Ford GT and the new Z06 Corvette that can stay with it. It must be a character flaw, but I still need more power. I've looked at NO2, but I'm afraid to blow the 50K dollar engine.
Old 06-05-2006, 03:49 PM
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Congrats! Personally, I wouldn't touch the motor or add NOS. RennTech already fine tuned it.
Old 06-07-2006, 12:53 AM
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1996 SL600 - 100% Stock
On Second Thought

You guys are right about boosting this lovely machine. 389hp should be enough, and it really is. As I always like to say, everything is a tradeoff... Nothing is ever free. I know I could get more out of it, but at the sacrifice of longevity. I mean, if Ford could get over 600hp out of a 3L engine, surely there is plenty more to be had out of the V12. Unfortunately, the Ford racer I'm talking about had an engine life of 10 hrs at fully throttle. A racer for sure. I would probably have to kill myself if I did something like that to this beauty I'm fortunate enough to own. It does pull hard, and is a joy to ride as-is. If almost 600hp isn't enough after getting it, nothing is. Thanks for talking some sense into me folks.

Happily,
Tip DS
Old 06-07-2006, 12:17 PM
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95 SL600 91 500SL
I had a stock SL600 before the Renntech. I added the renntech cold air intake and the performance chip. Although it costs 2K, it did noticeably improve performance without sacrificing reliability. I think it added 45HP, and I installed it myself in about 2 hours. This is probably the only performance upgrade available for the V-12 that doesn't cost 20k or more.
Old 10-22-2006, 11:58 PM
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Originally Posted by RSpreier
I had a stock SL600 before the Renntech. I added the renntech cold air intake and the performance chip. Although it costs 2K, it did noticeably improve performance without sacrificing reliability. I think it added 45HP, and I installed it myself in about 2 hours. This is probably the only performance upgrade available for the V-12 that doesn't cost 20k or more.
Got pics of the intake? Always wanted to see it.
Old 08-10-2014, 11:31 PM
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ferrari 308gtb
just reminding you m120 fans what one can sound like

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Old 07-10-2016, 12:04 AM
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1999 SL600 sport ( triple black) chrome AMG 18"s
Talking

Originally Posted by TheV12pwr
There it is............
I am sorry for the question, but I hate to assume ...

It would take one blower for each side , correct?

Aug mein Gut !! ( AMG) i Love ist !

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