GT-ER

5-8% and no pics?

gaspam

i think that an american site that is a vendor for vaeth just reselling so they are apparently lazy vendor

i looked up the german site and there are pics there but looks jsut like a heat exchanger and not the s/c intercooler (and yes i know a h/e is technically an I/c tambien )

http://www.vaeth.com/en/vehicle-refi.../e-55-amg.html

Zod

interesting ...but no pics

Bramage

It is a $4000 heat exchanger....

GT-ER

Wait...how does that even install? LOL.

adianaty

I think the picture is wrong and that's for diesel cars. They make two, one for diesels and one for the 55k.

Havoc

This should help!

Weistec is about to release their new 3.0 liter twin screw system with a very similar air to water intercooler setup for the 55K!

AgSilver

Väth's IC is still under the SC and only claims to offer only a small improvement and is very pricey ($5000+) like the rest of their products. Evo's design is the only way to go as has been proven on the SLR's. It would not be hard to adapt an SLR fuel cooler to an E55, however I have no idea how great a benefit it would be, if any since the parasitic drag of the AC will offset some of the gain. Again, keep those IAT's low and good things happen.

Zod

Ali_E55

SLR differs in alot of ways:
Fuel system & injectors, Pistons, cranckcase (non oil) , engine head, S/C ratio, intake, camshafts, lots of cooling mods, TB is completely diffrent, bypass valve is part of the inlet (E55k is under the S/C), S/C oil has a cooling system that the oil moves to a cooler and comes back, SLR manifold is between LT and short headers (medium). SS cats in exhuast.

these are the things i noticed, after installing some mods on a 722S we were able to reach 650rwhp (stock 530rwhp) dynoroom temp was 37C with no fan on 93 pump gas. and there is still some more room to make it reach more and it revs to 7200RPM, i think even 700rwhp is possible with more mods. it showed more power than a modded SL65BS.

Jeremy tuned it from OE Tuning.

GT-ER

Do you know what's different on the heads? I mean, have you seen the ports?

Ali_E55

yup i have seen them, the valves on top are diffrent also and bigger, wont fit normal 55k.

i think someone was making larger of these, a member here, Exotic-metal i think.

same concept.

cooling is the min thing.

i remember in summer (outide temp 40C) with lots of WOTs, MAX IATs reached 62C.
after moding it.

e500slr

650 on what dyno? That's an amazing peak HP What's the peak torque btw and I thought the highest for an SLR was ~630 though, the Renntech car that ran a low 10, the fastest Mercedes time so far. Do you have a video of the dyno?

Ali_E55

Dyno Dynamics, Stock C63 shows about 340-350 rwhp on the same dyno. stock SL65BS shows about 550rwhp.

Vossen Wheels

AgSilver

Here's a good look - - -

stevebez

Can't tell you how much time I've poured over that pic...,

AgSilver

The titanium con rods and forged slipper pistons really stand out.

Havoc

Where did you hear that the SLR has Ti rods? I'm a huge fan and read many articles but never came across that info. Would be nice to know since I'm going with Ti rods with my engine build.

MBH motorsports

I think some people are over looking the that the SLR block is built for pig power. Its a closed deck block, where as the standard M113 in the 55's is a open deck block.

There are some cooling benefits of an open deck block, but the closed deck can take more power. As defection is greatly reduced with pig power on a closed deck block. I bet if we got up to massive power levels. You would see some people having issues with an open deck block.


I think forged pistons and rods are great. As they can handle big power. However once you start knocking on the door of huge power (700-800whp???) i'm not sure our mass produced 55 block will be able to take it.

With that said its more than just the pistons, rods, cams, and cooling. This block in the SLR is stronger than your run of the mill 55 block.

GT-ER

And while that it obviously very awesome, I doubt we'll ever see 700-800whp with our superchargers. I just wanted to know how the SLR get's 100+whp more than we get on the same S/C.

Havoc

Yeah, even though I have iron sleeves in my 55K block, I'm scared I'll end up with this once I crank up the boost especially with increased compression. Oh well..

AgSilver

That's a good question and I cannot remember the source. Attached is a pretty good overview of the SLR engine which refers to special lightweight rods. I just checked my WIS and virtually all info relating to the SLR engine has been stripped out - - - even the torque values for the rods. Accordingly, EPC has the Moving Parts section stripped out as well. I'll try to get the info from my dealer friend in in Germany where I am right now. However, I have found MB in Germany to be a completely different animal because they do not have the the consumer rights laws we have in the U.S. If you don't own an SLR MB won't even sell you schrader valve cap. I tried to order a TB gasket with an SLR # and they would not sell it to me (there was, of course an 113 equivalent)

I'l try to get some definitive info from my U.S. source when I get back to FL in January.

Havoc

Roger that and thanks for the overview.

Lightweight forged connecting rods really doesn't say much though and the 55K also has lightweight forged connecting rods. The SLR's rods looks identical to the 55K's and I would think that if they were Ti rods they would be thicker. Not to mention I would believe that most articles would actually state that the rods are Titanium since that metal is so unique.

I look forward to any additional info you can get on this.

c32AMG-DTM

I'd be surprised if the factory SLR con rods were Ti.

I'd also be surprised if anyone (who knows what they're doing) recommends a Ti con rod in a high-torque application like a supercharged motor.