Remote mount turbo

[Spooled]

Has anyone thought about switching to a remote-mount turbo setup? I'm very interested in these. They have many advantages over a standard setup, including better heat disipation, cooler intake temps, and no additional lag (contrary to what you would expect). The turbo replaces the muffler, and I guess it sounds amazing.

Here's one company that makes kits, although I've heard it's much easier to make a custom remote setup than a custom standard setup.

http://www.ststurbo.com/acura___honda

I read an article on a kit for the GTO that doesn't need an intercooler, and the intake charge was 100 degrees cooler than a comparible standard mount setup. Just something to think about.

 

[peepsalot]

Haha, that would be sweet to show off your engine bay, and just look like you have some CAI. Super sleeper style.

 

[Spooled]

Haha, that would be pretty cool. I can just see the arguements about whether or not your car is turbocharged.

 

[cosmo420]

i saw a couple of 4th gen f-bodies that have the same set up and they look sweet as all hell, it was located right before the crossflow muffler

 

[MSP #167]

im not understanding how this works....can anyone explain it?

 

[KyRaceFan]

im not understanding how this works....can anyone explain it?

You have a fairly normal looking exhaust header, and at the end, near the muffler normally is, is a turbo. Charge piping then runs back up to into the throttle body from under the car. Its like any other turbo setup, just mounted at the back of the car.

Ive never heard of any import cars using this setup, but alot of camaros and the like have been for several years with good results.

 

[Protege52003]

Ive never heard of any import cars using this setup, but alot of camaros and the like have been for several years with good results.

i saw this set-up installed on a camero on two-guys garage two weeks ago on speed channel.

pretty nice......

 

[Moeed]

You have a fairly normal looking exhaust header, and at the end, near the muffler normally is, is a turbo. Charge piping then runs back up to into the throttle body from under the car. Its like any other turbo setup, just mounted at the back of the car.

Ive never heard of any import cars using this setup, but alot of camaros and the like have been for several years with good results.

You could prolly keep your stock mani then. THat would definately be a crazy sleeper.

 

[peepsalot]

Seems whenever you punch it the turbo would just ******* wail with no muffler.

 

[Super Matty P]

they are junk forn anything less than a v8. Also, you'll never find a stock car with an STS turbo system who throws down impressive numbers...it's always mildly built cars with them making decent numbers.

fyi, there was a silverado at my last dyno day with one and he made 450whp....everyone ooh and aahhed over it until I called him out about his "other mods". they consisted of a built engine, ported intake and head, larger throttle body and cam.

 

[4drboost]

I saw that show on speed channel too. That Camaro stock dynoed at 280whp, and 260wtq. Than, with that turbo, and 5psi, no tuning it did 407whp and 369wtq. It was pretty sweet!

 

[Super Matty P]

it requires a V8 to spool a turbo with a 6' header...and 10' of charge piping. They show them off on V8's because a V8 has plenty of punch off the line anyway and by the time it eventually spools up it needs that extra huff.

 

[SilentSno]

It'd be definately be a sleeper, but talk about worrying what you drive over. It definately wouldn't make the same power as a regular turbo setup. You'd lose some velocity from the distance.

 

[CasopoliS]

One thing people seem to forget that intake / exhaust sytems are the same at both ends.... picture this:
firefighters have a 100 foot hose full of water,
you induce pressure at one end....at that same instant the pressure is transversed to the other end because the hose is full.
Our intake / exhaust systems are full of air. Air can be modeled as a fluid. Of course this concept neglets friction loss due to turbulant flow through the piping...but that is minimal. When the turbo first spools and builds pressure, it pushes the air in front of it out of the way.
Anyway.... back on topic. Since the air has so long to travel.... header to turbo, then back to intake, there would be conderable loss of low-end with a V4. I agree with super matty-p. The temps would not be that much lower.... well, enough to see a difference at least. The above analogy was to show the functionality of the system, but the efficiency is crap.

 

[MSP #167]

You have a fairly normal looking exhaust header, and at the end, near the muffler normally is, is a turbo. Charge piping then runs back up to into the throttle body from under the car. Its like any other turbo setup, just mounted at the back of the car.

Ive never heard of any import cars using this setup, but alot of camaros and the like have been for several years with good results.

thanks for the explanation.

But yea it would be a problem i think with driving over stuff.

 

[peepsalot]

One thing people seem to forget that intake / exhaust sytems are the same at both ends.... picture this:
firefighters have a 100 foot hose full of water,
you induce pressure at one end....at that same instant the pressure is transversed to the other end because the hose is full.
Our intake / exhaust systems are full of air. Air can be modeled as a fluid. Of course this concept neglets friction loss due to turbulant flow through the piping...but that is minimal. When the turbo first spools and builds pressure, it pushes the air in front of it out of the way.
Anyway.... back on topic. Since the air has so long to travel.... header to turbo, then back to intake, there would be conderable loss of low-end with a V4. I agree with super matty-p. The temps would not be that much lower.... well, enough to see a difference at least. The above analogy was to show the functionality of the system, but the efficiency is crap.

The longer the intake side of your pipes, the more volume of air there is in your system total. It takes more work to compress a larger volume of air. So when you punch it you will have to wait longer for your turbo to compress that extra volume of air.

The water analogy with instant pressure tansfer doesn't work exactly, because water is mostly incompressable.

 

[Super Matty P]

actually casopolis you're almost 100% correct except that air is not like water....air can be compressed (easily), water cannot. You're right about everything else though.

 

[KyRaceFan]

You could prolly keep your stock mani then. THat would definately be a crazy sleeper.

Probably not, especially on an MSP or other factory turbo car. Its all part of a kit with specialized parts.

On the velocity issue.. yes you do lose some heat and velocity but the most advanced dual ball bearing turbos are used to decrease lag, and you have to think about the fact that its a high displacement engine ramming exhaust gas down the turbine. Theres still more than enough heat and flow to see boost in the 2-3000 rpm range. Lag is really not an issue at all.

To adress the heat issue, the charge piping sees a TON of airflow under the car keeping the pipes alot cooler and away frmo engine heat, which is why you do not need an intercooler which robs HUGE ammounts of pressure compared to straight piping.
For example, there is a 3psi pressure drop in the stock MSP intercooler. The rear mount turbo system does have more air to compress, but like i said, the effects are neglible.

 

[toucci]

seems like it'd be pretty easy for someone to steal the turbo off one of those cars

 

[CasopoliS]

actually casopolis you're almost 100% correct except that air is not like water....air can be compressed (easily), water cannot. You're right about everything else though.

Yes thanks for the clarification. I should have not worded it this way. The fact that air is compressible is what gives both power and problems (with long intake systems). Like peepsalot said....takes more work to compress. Turbo's are only as good as the efficiency of the setup...use them to your advantage!