Where to find...a twin-turbo set-up

G

golfdude

New member
Does anyone know of any shop, person, business who specializes in creating twin-turbo kits for german vehicles? I desire more power from my Crossfire (which is nearly 100% Mercedes Benz SLK320 R170. Basically, it's not creating the turbo system that worries me or anyone else who has tried this...it's the ECU. Mercedes-Benz ECU's are known for their finicky nature, and it has restricted mere mortals on installing forced-induction upgrades. Any and all forms of contacts will be appreciated. Thanks.



PS...No, an SRT-6 is not for me (the supercharged Crossfire). It's an automatic and I want stick. Now, if anyone knows of anyone who can swap that automatic out for a manual, then I will think about it!
 
RennTech could probably help you out, they might not have an off-the-shelf solution but they have a large base of knowledge and they put together some pretty amazing buildups off of Mercedes engines. You can get 'em at 561.845.7888.
 
Ya, Renntech, Startech, Brabus, etc... all seem too focused on supercharging. But, the main problem with me is they are seriously overpriced in everything that they do! Nevertheless, I'll give them a call. I did contact Startech once and they told me they don't modify transmissions at all. We never talked about ECU's though.
 
How about you sell it and save for a more well-rounded vehicle with more power? Dumping twin-turbo type bucks into a Chrysler (no offense) is not exactly, well, you know...





With twin-turbos, you will have to look into cooling, wheels/tires, suspension, brakes, etc...IMO, not worth it.





You should look into an E46 M3. Stunning everything, across the board, and it posts great numbers on the track.
 
Ahhh...Sean, there's so many reasons for and against a move like that. I completely understand where your coming from. I know, I might as well just sell the Crossfire, get an Evo, put $1,500 into it, and have an 11 second car. If I want an 11 sec Crossfire, it would cost me probably 20,000-25,000 after suspension, wheels, and brake upgrade too. I've driven every car imaginable, two '05 M3's too. The Crossfire has character, and it's tough to let go of the fun-to-drive factor that I see in the car. It's still up in the air. I could go on and on why it would be much cheaper to get another car that's faster and stuff, but the Crossfire has things that keep me coming back to it.



Hmmm...did I mention I was really picky about cars??
 
xfire said:
Does anyone know of any shop, person, business who specializes in creating twin-turbo kits for german vehicles? I desire more power from my Crossfire (which is nearly 100% Mercedes Benz SLK320 R170. Basically, it's not creating the turbo system that worries me or anyone else who has tried this...it's the ECU. Mercedes-Benz ECU's are known for their finicky nature, and it has restricted mere mortals on installing forced-induction upgrades. Any and all forms of contacts will be appreciated. Thanks.



PS...No, an SRT-6 is not for me (the supercharged Crossfire). It's an automatic and I want stick. Now, if anyone knows of anyone who can swap that automatic out for a manual, then I will think about it!
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If someone knows how to buid them it is:http://www.hpamotorsport.com/
 
Hmmm...HPA! I've always know of them but I always thought of them as a tuner for VW/Audi platforms, not Mercedes...I'll add that on my list of people to call.
 
How much rubber width can you squeeze under the rear fenders? I have pretty sticky 245s in the rear on my TA. I'm only pushing around 280ish rwhp and I can definately break them loose when I want. If I was looking into WAYYY more power (a serious FI setup), I would immediately be moving to some 315s in the back of my TA... can you seriously fit anything nearly that wide on a crossfire? And will the driveline even hold up, especially on a manual tranny? You definately need to consider driveline strength and useable traction or you'll be wasting more money than you think.
 
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A lot easier.....
 
All of those driveline upgrades are definitely going to be considered. I have 255's in the back stock. I prefer forced induction as a route to more power. And any and all sort of turbo set-up will be considered.
 
xfire said:
All of those driveline upgrades are definitely going to be considered. I have 255's in the back stock. I prefer forced induction as a route to more power. And any and all sort of turbo set-up will be considered.
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Man! it's soooo much less expensive to start with a car that already has turbos! Oh, and the reliabilty/serviceability will be much, much better.
 
1- Fabricating the piping will be a PITA and getting it to all fit under your hood with any degree of efficiency is going to take some serious time and a lot of money. 1 turbo would be a big job, 2 turbos would take months of fabrication and testing



2- Many N/A cars do not take well to turbocharging because they are already running pretty high compression. The combination of high compression and forced induction can often put serious strains on the engine. Unless you plan on rebuilding the block as well, you may want to re-consider



3- As others have stated, its not as simple as adding some piping and finding some tuning software that will work. You are much better off starting with and engine that is already turbo/supercharged and upgrading that. I bet you could do an SRT-6 engine swap for much less money and keep your 6 speed gear box
 
xfire, I'm sure the idea sounds fun, but as many said, it's probably not worth it. As far as mb tuners, Kleeman has just about the best stuff for them, and probably have a supercharger/ecu upgrade that will fit the 320 engine very well. You can't be asking for forced induction and then start whining about prices these guys charge...gotta pay to play. Possibly sts turbo could help you out as well, their systems are a good solution to tight engine bays without the room for turbos.



Aside from driveline upgrades you'll have to do to compensate for the extra power, you'll also likely need to do different fuel injectors, possibly upgraded fuel pump, and may have to find a different either gasket, stud, or o-ring method to make sure you don't blow a head gasket with all the additional boost you're shooting into the engine. Then you'll need a slew of gauges to monitor various parameters.



Buy a faster car and save yourself a ton of headaches/money if you have to go faster..crossfires aren't that cool ;)
 
you are going to need something like a haltech I assume. you will not pass emissions depending on your state. For example, when I had a standalone (aem ems) on my civic, my deq station gave me an automatic failure because it cannot "communicate" with the obd equipment. just something to think about.



also, you will never be able to sell the car for more than stock (most likely less), also something to think about.
 
Gfunk720 said:
1- Fabricating the piping will be a PITA and getting it to all fit under your hood with any degree of efficiency is going to take some serious time and a lot of money. 1 turbo would be a big job, 2 turbos would take months of fabrication and testing



2- Many N/A cars do not take well to turbocharging because they are already running pretty high compression. The combination of high compression and forced induction can often put serious strains on the engine. Unless you plan on rebuilding the block as well, you may want to re-consider



3- As others have stated, its not as simple as adding some piping and finding some tuning software that will work. You are much better off starting with and engine that is already turbo/supercharged and upgrading that. I bet you could do an SRT-6 engine swap for much less money and keep your 6 speed gear box
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Like Gfunk said, this is going to be a BIG-money undertaking. Much more involved than slapping a turbo kit on an N/A Civic. And as he said, you have to contend with a relatively high N/A C/R. There is a reason why bolt-on turbo kits tend to run relatively low boost (6-8 lbs); if you're going to run higher boost and make AMG-levels of horsepower with your otherwise stock engine, you'll have to take apart the engine and run lower-compression pistons. If you're going twin-turbo to be different, more power to you, but it'll cost you. Custom manifolds, exhaust, low-comp piston rebuild with metal headgasket, aftermarket ECU (and associated power tuning), fuel system, upgraded cooling system, etc. are all added on the the cost of the turbo system. No wonder this stuff's expensive!
 
As Gfunk said check the compression first, if it is a higher compression motor youcan't set the boost very high because of engine knock. Lower boost settings lower performance gains, lot of money for little gain. Try the tornado! (j/k)! I had a TT Stealth and there was a great forum for this car, I'd search and see if you can find one for your car. That is where you will find the answer to your question. Heck I found a forum for people wanting to race Chrysler 300m's, I'm sure a great car like the Crossfire will a forum. Also, don't they offer a supercharged Crossfire from the factory?
 
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