924Board.org

morghen · Joined: 21 Jan 2005 Posts: 9102 Location: Romania

i've spoted this on a romanian tunign forum.
Anyone that has anything to say about this? any of you know anything of this ?

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356speedster · Joined: 06 Aug 2006 Posts: 122 Location: Norway

Looks similar to the STS Turbos
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1982 Porsche 924 na My 924 blog
1990 Porsche 928 S4 My 928 blog
1995 Fiat barchetta
2007 BMW 318d M-Sport
2010 Volvo V50

Paul · Posted: Sat Sep 09, 2006 9:58 am Post subject:

I wouldn't want to drive one of those in the rain, on dusty roads, or in the snow!!
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White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy.

Dagwood928 · Joined: 22 Nov 2003 Posts: 65

The claims make for an interesting argument. Does anyone know if mounting a turbo further from the exhaust ports have any real benefit? Not in the extreme manner here, but not hugging the exhaust ports?

Peace!
Darren

Ozzie · Posted: Sat Sep 09, 2006 11:06 am Post subject:

Seen it done to v8's with twin turbos due to lack of space up front.
Works fine apparently.
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Khal · Posted: Sat Sep 09, 2006 11:09 am Post subject:

It looks quite vunerable there...
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'80 924 Turbo

dpw928 · Joined: 02 Nov 2002 Posts: 1860 Location: owasso, ok 74055

One of the 928 guys on Rennlist has a mid mounted turbo installed. Since it is a retrofit to a normally aspirated engine the expected turbo lag is not noticed. IIRC the toughest part was setting up the lubrication with a separate tank nd pump.

Dennis
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78 928 5 sp Silver
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Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

What is it supposed to be blowing? Someone in the back seat?
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WeiBe (1987 924S 2.5t) - 931 S3

OutOfTheBox · Joined: 31 Mar 2006 Posts: 434

Just goes to prove a turbo anywhere, is better than no turbo at all.

Desolation · Joined: 20 Jul 2006 Posts: 236 Location: Texas

Yea they have to put those on Pontiac Firebirds and Trans Ams due to lack of space unless you take out a bunch of stuff.
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Paul · Posted: Sun Sep 10, 2006 1:30 am Post subject:

Got to admit though, the kit they provide makes it very simple to install a turbo...
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White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy.

D Hook · Joined: 02 Nov 2002 Posts: 3158 Location: Omaha, NE

Maybe even simpler by pulling out the A/C equipment under the dash and mount one in the glove compartment!

Seriously, this looks very interesting. There would be plenty of room where the muffler is right now to mount one of these.
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'80 924 n/a SOLD

J1NX3D · Joined: 06 Feb 2003 Posts: 1333 Location: New Zealand

dont laugh too quickly, i saw this in a dragcar at a car show in NZ.

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'86 944

356speedster · Joined: 06 Aug 2006 Posts: 122 Location: Norway

I guess the main advantege is that you eliminate the heating and space problems that follow a convetinal turbo installation.

They also feed the turbo with oillines from an adapter plate on the oilfilter mounting, but the have to add am extra oiltank/pump at the rear.

Read some threads over at rennlist and there have been sucessful installastion on 928's with over 400 rwhp and no turbo-lag. As one 928 owner commented:

"simply put..this system is like having GT cams..on steroids....nice pull on the low end..and then that endless push you in your seat....do you have the guts to keep the gas pedal floored feeling"

the STS FAQ gives some good answers, but keep in mind that this "FAQ" is placed on a commercial site promoting their own products.
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1982 Porsche 924 na My 924 blog
1990 Porsche 928 S4 My 928 blog
1995 Fiat barchetta
2007 BMW 318d M-Sport
2010 Volvo V50

OutOfTheBox · Joined: 31 Mar 2006 Posts: 434

no turbo lag, as in;

I just put this turbo on a car that didn't have a turbo before, and theres no lag"

".nice pull on the low end"

...thats your lag

and then

"that endless push you in your seat"

...thats your boost

If it didn't have any lag, he would be saying from the moment I put my foot down that endless..

If you look at the pics, it has a huge hotside, with a small coldside, there is just no way that combination, is going to spool up anyway near as fast as a front mounted standard turbo.

They probably did a damn good job sizing the turbo, to run at the back, minimising lag. But if they did the same and mounted it up front, the lag would be a lot less.