924Board.org

[924Sman]

Huntley's out it seems, so i'm wondering if there's any other place out there to get a SC for my car. From what i could tell their basic kit has nothing but a blower, mounts, and a set of pretty chrome intake pipes. Now that they're gone, i figured it may be feasible to fab up a kit like it for cheaper using a used blower, some technical know-how, elbow grease, and a machine shop or two.
My engine runs smoother than butter due to my mechanic's golden hands and seemingly endless supply of porsche knowlege (he's ~35 and has had one porsche or another since 15). By smooth i mean i can put her in first, and gently (not necessarily slowly) ease off the clutch to get her going. There's also a compression change due to a slightly machined head (negligible though compared to forced induction).
After all that, i seem to have no alternatives short of a complete top to bottom rebuild for N/A power (there are limits to all alluminum engines i'm told though), or a forced induction set-up. I know that converting to a turbo is damn near impossible and definitely impractical. So i figure a low-boost blower would be perfect as it wouldn't mess with my torque curve while providing 30ft/lbs or so.
Which brings me back to my question: if someone were to attempt to fab their own SC kit what would they need? Is there anything required of the MAF sensor? the ECU? Also, would something like a blower from a corrato work? Or is it car-specific? What would you guesstimate the price range at?

Thanks for any help you guys can provide (as well as bearing with my fillabuster post).
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1987 924S.

[Paul]

For about the same price you could probably drop a 968 3 liter in there...

[endwrench]

Paul's probably got a point but if you insist on going with a blower anyway the first thing you need to look at is any emmision requirements in your state. If you can fly by them then I would say you can probably fab most any blower (within physical size limitations of coarse) to your engine with enough work. I don't know what the limitations are of the stock injection system but most MAF type injections will tolerate a low boost system though you may need to add an adjustable fuel pressure regulator and an MSD ignition with a boost retard feature just to fine tune things.

I am actually cosidering doing the same to my 79 NA. I am in the midst of converting to EFI now and plan to use an Eaton M-90 blower with an intercooler. This is probably atleast a year or two in the future but I think it is realistic at this point. We'll see.

Todd

[Eturbo924]

Why not just go with a good NOS system? Around $600 and you are set. Also only puts stress on the engine when you go full throttle... or where ever you set the system to turn on.
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1982 924
1992 968
2003 C4S
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[simsport]

Use an m60, the m90 is too big for that engine.
Also EFI is a must. I found this the only way to map the running without det damage.

Cheers
Simon
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Blown is always best!

[81turbo]

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