997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.

Compound Charged Engine?

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Old 07-05-2009 | 12:39 AM
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Compound Charged Engine?

New here so go easy on me

Im from the Subaru world and there are a couple of crazy builds going on right now. Some of which involve compound charged setups (Supercharger + Turbo)

My question is has anybody in the Porsche world done something similar since they are both "boxer" engines?

I know your cars dont need it but im just curious.

As seen here:


Intake manifold replacement setup with Air-Water Intercoolers.


Supercharged and Twin Turbo



Twin Turbo



AMG Blower and GT35R Turbo



Intake Manifold replaced with AMG Blower and GT40R Turbo



Magnetic Clutch Pulley system. 2 DBW Throttle Bodies



 
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Old 07-05-2009 | 01:06 AM
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There are no rooms left in the rear engine bay for 911 to do that...Maybe it possible for CAYENNE or the new PANAMERA sedan..
 
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Old 07-05-2009 | 01:23 AM
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Really? Even with the Intake Replacement setup there still would be no room? I had no idea that your motors were such a tight fit.
 
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Old 07-05-2009 | 01:27 AM
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Wow- what type of numbers are those "super turbos" puttin' out?
 
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Old 07-05-2009 | 11:25 AM
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Wow, is that a lot of plumbing or what.
 
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Old 07-05-2009 | 12:10 PM
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The supercharger gives it ZERO extra power, its there to eliminate lag and get the turbo spooling much faster. The big builds are making 600-700whp.
 
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Old 07-05-2009 | 01:44 PM
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I have seen a mercedes C32 which is supercharged + twin turbo the max hp he got is around 500hp.
I think it is type of "See what i can do"
 
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Old 07-05-2009 | 03:53 PM
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Absoltelly its a "look what I can do" and why not.

You will get more peak hp/tq out of one very large turbo than you would out of 2 smaller turbos. The bigger the turbo, the more lag.

2 smaller turbos means less peak hp/tq but wider power curve and better spool.

Porsche use VTG to address this but tuners dont have those kinds of resources available so, they come up with other means to do so.

Here are a couple of vids of shops "Just showing off"

91 Octane
http://www.youtube.com/watch?v=J5XLX7uAcf8

Racegas
http://www.youtube.com/watch?v=jpX8pnlvsoU

Or how about a Twin supercharged + Twin turbo GTR

http://www.youtube.com/watch?v=1aSR5Vd4eRM

The fugly Z

http://www.youtube.com/watch?v=rd4XA8czlks


I LOVE this kind of stuff. The status quo of "Intake, exhaust, racegas and protune gets boring after a while. At least some guys are thinking out of the box and are creating technological works of art.
 

Last edited by Bigrigger; 07-05-2009 at 03:55 PM.
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Old 07-05-2009 | 05:20 PM
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I think it reaches a point where the question goes from "what's the limit" to "what's the point." There is virtually no circumstance (aside from rolling drag races) where a 1500hp car will be faster then something like a Turbo. You will never be able to track them (can you say gas guzzler), 0-60 runs will literally burn the rubber off the wheels, the car (both handling and safety) was never designed to deal with that kind of power, you can't drive a car like that around town, what's the point of having one?
 
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Old 07-05-2009 | 06:24 PM
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Oh I dunno, I think the 1000hp Ford GTTT does quite well againts a GT2

http://www.youtube.com/watch?v=Diq9ukmH8VQ

If you have the money to buy that car and do that kind of build, gas prices are of little concern.

There are a fair number of these TT GT's and they do just fine around town.

The point of having one is the same point as climbing a mountain, CAUSE YOU CAN
 

Last edited by Bigrigger; 07-05-2009 at 06:45 PM.
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Old 07-05-2009 | 06:45 PM
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Originally Posted by Bigrigger
Oh I dunno, I think the 1000hp Ford GTTT does quite well againts a GT2
I'm sorry, what was that video supposed to prove? That one car can go faster in a straight line then another? Until I find a city in which every road to and from every location is a perfect line which has no turns what so ever, I couldn't care less about which car goes faster in a straight line. There are plenty of cars out there that could "beat" an F1 car in a drag race, but who in their right mind would pick the 1,000,000,000hp car over the F1?
 
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Old 07-05-2009 | 07:11 PM
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Originally Posted by camhabib
I think it reaches a point where the question goes from "what's the limit" to "what's the point." There is virtually no circumstance (aside from rolling drag races) where a 1500hp car will be faster then something like a Turbo. You will never be able to track them (can you say gas guzzler), 0-60 runs will literally burn the rubber off the wheels, the car (both handling and safety) was never designed to deal with that kind of power, you can't drive a car like that around town, what's the point of having one?
Virtually no circumstance huh? Check that

0-60, he didnt burn off the tires. Check that

GT2 Skidpad from R&T = 1.02 Slalom = 75.9

Ford GT Skidpad from R&T = 0.99, Slalom = 72.5 ,so yes it can handle just fine.

Maybe you couldnt handle a car like that around town, but others can and do everyday.

PLUS, your missing the point of this thread, is started out as a simple "has anybody in the porsche world done a compound setup"?

Porsche are awesome and you should be proud to own one, but dont be so closed minded to other people with other cars with very different setups.

NO CAR is the be all to end all that knows all. If there was, we would all own one.
 
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Old 07-05-2009 | 07:18 PM
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Originally Posted by Bigrigger
Virtually no circumstance huh? Check that

0-60, he didnt burn off the tires. Check that

GT2 Skidpad from R&T = 1.02 Slalom = 75.9

Ford GT Skidpad from R&T = 0.99, Slalom = 72.5 ,so yes it can handle just fine.

Maybe you couldnt handle a car like that around town, but others can and do everyday.

PLUS, your missing the point of this thread, is started out as a simple "has anybody in the porsche world done a compound setup"?

Porsche are awesome and you should be proud to own one, but dont be so closed minded to other people with other cars with very different setups.

NO CAR is the be all to end all that knows all. If there was, we would all own one.
I wasn't talking about starting with a $150k+ car and improving on that, but instead taking a car like a Honda Civic or something and putting more into it in modifications then you did on the original sticker, just so you can have some insane HP rating. Of course the GT was designed for that kind of power, but 99.99% of times, people don't trick out a GT, but some small little foreign car.

Don't get me wrong, I am highly impressed from an engineering standpoint. I find it fascinating how so much power can be had from just adding something like a turbo. However, just because I find it impressive, doesn't mean I don't think it's silly. Again, it would be like taking your toaster oven and "supercharging" it so that instead of hitting a few hundred degrees, it hits a few thousand. What would be the point? Sure you could now use it to fire pottery but why?

And yes, I am well aware that I followed the trend of digression from the main topic of the post, as did you and most others.
 
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Old 07-05-2009 | 07:23 PM
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Ok one last thing and then Im raising the white flag.

I never digressed off topic until you got in there

Waving white flag furiouslly!!!
 
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Old 07-06-2009 | 03:50 PM
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Originally Posted by Bigrigger
Absoltelly its a "look what I can do" and why not.
I'm with you on that, any they deserve the respect.
 


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