924Board.org

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

HERE.

Hmm. . .

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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

mhart · Joined: 24 Feb 2006 Posts: 170 Location: New York, NY

hmm...the manifold almost looks like a Callaway kit, but I think that the Callaways came with IHI turbos...

interesting though

to be honest, if the turbo's in good condition, the current bidding price would be a good deal on the turbo alone
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'87 924 S - No sunroof and a few modifications

bcblase · Joined: 23 Oct 2007 Posts: 574 Location: Winchester, VA

Somehow, I don't think this would be as simple as "bolting it on"...

BC
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1987 Porsche 924S - track toy
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mhart · Joined: 24 Feb 2006 Posts: 170 Location: New York, NY

no, turbocharging a car never is just "bolt it on" really

but I think that this kit could make it as simple as "assemble and tune using either an aftermarket fuel controller or ECU (ie maxhpkit MaxTune)"

you would have to accept that the peak boost from the system wouldn't be much over 5-8psi, but then again, the SFR supercharger kit (which retails for far more and requires removing the A/C) makes almost 200hp at the crank with 5psi...that's a tremendous improvement over the stock 150-160.

*Note: i'm not affiliated with either SFR or whoever posted the ebay ad. I'm just a gearhead who's very intrigued by the thought of adding more power to my car without selling it or completely replacing the engine and drivetrain.
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'87 924 S - No sunroof and a few modifications

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

So I wonder if this kit was intended to be run w/o an intercooler, or its just missing. I can't really tell by looking at the plumbing.
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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

mhart · Joined: 24 Feb 2006 Posts: 170 Location: New York, NY

could be either way i suppose, although having an intercooler will allow for much more aggressive programming of the fuel map. I bet that with minor fabrication, a small air-water intercooler could be fitted on the passenger side. With an electric water pump, I imagine that one might even be able to modify the windshield washer reservoir to work with an electric pump (and maybe a small, secondary radiator) to use a waterjacketed turbo without affecting the engine's stock cooling system

I'll admit I'm just doing some thinking out loud here...the "kit" would definitely need some more parts to work, but I'm very intrigued.

http://members.rennlist.com/tholyoak/conversion_parts.html

There's a link to a bunch more info on 2.5l n/a turbocharging (although at the same time, it's a lot of info on circa 1985 technology)
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'87 924 S - No sunroof and a few modifications

Grenadiers · Posted: Thu Jun 12, 2008 10:24 pm Post subject: or, try this:

http://fayetteville.en.craigslist.org/car/715530021.html
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'83 944 Track car.
'88 924S Track car.
'89 944 Turbo
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ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

Speedtek · Joined: 18 Jul 2008 Posts: 4 Location: Hawaii

Definitely homemade. Those type of log manifolds are very poor flow if the flow is not in one direction. only good for low boost. At high boost you will get high EGT's that can destroy the turbo. I estimate they only used it for about 6-8 psi max.
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I think I have turbo'ed everything!

alexvex · Posted: Sun Jul 20, 2008 12:38 am Post subject: