www.ststurbo.com offers a rear mounted turbo system that you can put on any car. Alllllright!!!!! Plus you dont have to do any mods. It can be put on a stock car.
Im buying one for myself. Also if you plan to get one, I can save you $100 dollars. All you do is say (Cesar M) referred you.

 

I've seen guys do that rear mounted thing and wondered just how bad the turbo lag would be with such a setup. Looking forward to your report.

 

Alright Cesar. You do it, post pics and get a dyno sheet posted on this web site, and I'll mail you a 20 dollar bill!

I've made this offer to several people and haven't had to send out a single dollar yet. It's my version of the automotive x-prize

 

I did a DIY rear mount on one of my Camaros and the turbo lag is NOT an issue. I had full boost by 2100 RPM or so.

 

too bad we can't find a manufactuer for a twin turbo designed manifold for our little 6 cylinder motors, as the 3 cylinder turbo configuration produces the best accoustic waves front within the exhaust manifold, this pulse really snaps the hell out of the turbine for precision spooling.

I would still like to see a dyno run on the sts crossfire system. needs data logging....

 

No turbo lag, because the air coming out of the turbo simply pushes the existing air in the intake tubing. I'll post the results and some videos. I'm gonna use my income tax money to buy it. Should have it done in a month or so.

 

Dare we make any predictions yet?


Wait....I think Sonoronos already did!


Good luck with the turbo Cesdog26......be sure to let us know how you re-programmed the PCM.

 

So how much is it gonna cost?
Stan

 

There are a few other threads on this subject that were posted a month or so ago.

 

Mounting it up is all fine and dandy but it doesn't matter if you can't tune it.

If it's possible, you might see some twin-charged 6's rolling around here

 

turbo lag hasn't been proven on this car yet, and it may not have much lag durring a dead stop. your pressure is also very low for this kit, maybe 5-8 psi.

Now I'm willing to bet there is lag durring double clutched shifts or heel toe shifting in and out of turns. I'm not positive this is a good design for a auto cross race car.

 

The problem is you will need to control what the ECU sees which is why CN used the voltage clamp on his setup. The other way to do it would be running a MegaSquirt in parallel with the factor ECU and let it manage the fuel as it will be able to read boost. Problem with that though is you still have no control of spark and that means no advance or retard in timing. It can be done, it just depends on how much of a car you want when you're done. I could build anyone a twin turbo crossfire for $25K including the car that would stomp everyone's *ss but you're not gonna have all the creature comforts and there is no way in hell it'll pass emission but I could build it and you can quote me on it if you want. Someone will get it done though and probably sooner than anyone expects.

 

BTW, this is actually just as bad as turbo lag if not worse. When you spool a turbo, you're bringing it up to speed which is then compressing air and forcing it into the cylinders. With this, first you'll have the turbo lag as the exhaust builds pressure on the turbine side and then the compressor will have to pressurize the line coming back to the intake. Easiest way to explain this is putting your thumb over the end of a water faucet. Turn it on full bore and it's pretty hard right away to hold your thumb on there. Now take the same faucet and add 50 of garden hose to it and hold your thumb at the end of it. It takes a lot of time for it to pressurize to the point that it's hard to keep holding your thumb over it.

Also a little side note: 1/3-1/2 the pressure built in most turbos is from the high heat coming out and expanding. By the time it gets to a remote mount, the temp is a fraction of what it was at the manifold.

By no means take it as me raining on your parade but L.E.T. set about doing it this way right off the bat when they were working on a TT C32 but the turbos ended up back under the hood because the cons heavily outweigh the pros.

I'd save your tax money and invest it a savings account for the time being.

 

what's the latest news on LET's C32 TT manifolds? I've seen pictures posted on MBworld last year, this has to be completed by now.

 

That project died a while ago due to the crazy weather down there and also probably partly due to Erick's car getting stolen as well. From what I heard, they did get it running but it wasn't anywhere near being able to be driven. Kinda sad as I had talked with Erick about donating my car to them to build a TT setup for the N/A cars as well since they all had the big toys and they were looking into getting something done for all the other 3.2L MB cars.

 

I raced with a guy from NM that has a spitfire with a 302 SB Ford with 2 turbos mounted just about where the rear tires are. He could run low 10's on just 5 to 6 lbs of boost. He had a really trick cooling system set up in his trunk. With a boost controller he could just lower it down and run in another class. He said it's in a few magazines, it was truly some custom creative work that he designed mostly himself.

 

How much they discount for donating your Crossfire? If it works it would it also work on a SRT6?

 

LET can always do a custom native-ECU tune for ya.....

 

By a custom tune, I'm guessing you mean tweak the fuel tables. They are not the problem with doing FI on the NA Crossfire. It's 100% all in the ECU's lack of a MAP input. This has been the whole reason behind using rising rate pressure regulators, FMU's and other ways to get more fuel in the engine under boost.

 

I worked on my own approach to prevent turbo lag by storing the boost in the trunk, it worked for autocrossing but the storage was about 1/2 second. Only enough to reduce the spool up time. What the heck it was interesting.................Woody