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C900 Performance, Mods & Tuning Covers Tuning & Performance modifications for the Classic 900 (C900)

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Old 10th April 2012
Vince T Vince T is offline
Join Date: Feb 2004                                                
Location: Edmonton, Alberta, Canada
Posts: 498
Default V8 mid-engined c900

Hello everyone, been a looooong time since I posted. Since I sold my SPG in the fall of '09, I've been a Mercedes and Honda guy exclusively. I'm now on my second AMG! (first a '99 C43, then currently an '05 C55; the C43's '55' engine swap ran into some issues, so I still have it, but once it's resolved, it's going to a new home with my parents!). I also have my '01 S2000, now sporting a supercharger. I also sold my 99 last spring too, and just a couple weekends ago cleaned out the rest of the Saab parts in my garage, gave them to my buddy Marty.

Some links to my old and current cars:


Marty is a car nut and an excellent fabricator with a great sense of imagination. He's an ex-Saab mechanic too, and of course still has a few of them, including another mid engine, RWD c900 ice racer – that one had basically the front end of a c900 grafted into the hatch area. When told me about his new project, I had to go check it out.

Using his old '87 900T as a base, he cut out the rear floor and put in the front subframe, suitably modified, from an Olds Toronado. He also happened to have a very large Olds V8 sitting around, and that has gone into the back too. The fuel tank is now up front, along with the Toronado rad. There is a whole mess of plumbing to the motor, of course. Marty had also added some block hugger headers, and will then construct his own side exit exhaust after that. There will also be oil coolers in the sides - one for oil, one for the trans.

The trans is a bit weird. I had no idea Toronados were FWD, so to accommodate the spacing and whatnot, Marty built a box into which there is a 'torque tube', for lack of better descriptor, going to the diff.

The body is necessarily going to be widened - that hasn't occurred yet, but you can see that Marty's already started cutting. He’s planning to do up something custom to accommodate the wider rubber, probably custom wheels too.

Marty isn’t very Internet savvy, so I said I would post pictures for him. The only ones I have for now were from my iPhone, so hopefully I can snap some more later. I can’t promise regular updates, but I’ll do what I can.

Last edited by Vince T; 10th April 2012 at 08:22 PM.
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Old 10th April 2012
Vince T Vince T is offline
Join Date: Feb 2004                                                
Location: Edmonton, Alberta, Canada
Posts: 498

And a few more:

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Old 11th April 2012
mossypossy's Avatar
mossypossy mossypossy is offline
Saab Crazy
Join Date: Jan 2012                                                
Location: Sussex UK
My Saabs: 1996 9k Aero
Posts: 528

Why did God put a flip top bonnet (hood) on a 900 if not to access the engine....this maybe needs a flip top roof
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Old 11th April 2012
Saab named Jag's Avatar
Saab named Jag Saab named Jag is offline
Saab Lunatic
Join Date: Apr 2008                                                
Location: PA usa / Ohio
My Saabs: 89 T16 3dr 5sp
Posts: 1,460

That is so many kinds of awsome
"That was only HALF throttle!?!?"
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Old 11th April 2012
IronJoe's Avatar
IronJoe IronJoe is offline
Saab Lunatic
Join Date: Aug 2002                                                
Location: PNW
My Saabs: '87 Airflow Convertible, '08 Turbo X SC
Posts: 3,828

Hey Vince! I bet your s2k with the charger must be a blast to drive!

That's a pretty wild setup your friend has going. Definitely keep us updated as he makes progress.
*1988 BMW M3* - Current project
*1987 Airflow vert project thread* - 400bhp, Eurotuner Magazine Feature Car - Now on T5
*1987 SPG project thread* - Sold
*1999 Lightning Blue 9 Viggen* - Sold
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Old 11th April 2012
socal1200r's Avatar
socal1200r socal1200r is offline
Saab Crazy
Join Date: Nov 2011                                                
Location: Norfolk (VA)
My Saabs: 1991 Saab 900 turbo convertible, AT
Posts: 594

OK, let's see if I'm seeing what I'm seeing. The BIG dual fan radiator and gas tank is up front, where the stock engine used to be; the Olds Toronado engine and drive train are set up in the back, with the pulleys looking to be about where the back seat used to be; and it's going to be RWD?

With his fabrication skills, he could probably shorten the drive shafts so those rear wheels would still tuck inside the fenderwells? Either that, or put some big old wide-body fenders on it, a la Renault R5 Turbo, and let everyone know that ain't a stock Saab:

1991 Saab 900 turbo convertible, AT, black top, red body, gray interior (RIP 09/12/2012)
Southeast VA, USA
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