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Customizing Your Classic 900 This forum contains all CUSTOMIZING related Q&A's, such as Lights (taillights, headlights, turn indicators, clear corners, etc), Interior and Exterior modifications, Wiring, Gauges and more.

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Old 05-19-2015, 08:23 AM   #441
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dasaabguy Possibly the coolest airflow I have seen well done.
Thanks oiledsaab ive put alot of work into this over the last couple years.
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Old 05-19-2015, 08:30 AM   #442
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I went the super expensive route with the eeuro lightened flywheel and custom built wiring harness with all new parts and sensors. And threw in a new Luk high performance clutch while I was in there. Retail that would probably cost like $1200 or so, but we worked out a deal to make mine a test car for the new wiring harness kit. If the opportunity hadn't come up, I would have gone Carl's route and gotten everything used and as close to free as possible.

Ahh I see...Score! I like those kinda deals. I frequent the yards quite a bit so I guess I should probably start picking up t5 goodies as i see them. C900' are pretty much nonexistent in the yards these days.

Sam what did you do with all your c900 performance parts after you t5'd?
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Old 05-19-2015, 11:06 AM   #443
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3 years ago when I did my swap my Indy was at the point where he was actually getting out of 9k's and ng900's, so he was willing to give me whatever T5 parts I needed. I walked from car to car and pulled all kinds of goodies out. The biggest bitch was the CPS shutter wheel. I actually had to rip down a block to get it out.
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Old 05-22-2015, 03:06 PM   #444
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I would have joined you to pick parts, Carl, if this Eeuro deal had not come up. I got a great deal on the lightened flywheel from them - their first batch was mis indexed, so the pattern was slightly off. Which they fixed but had a bunch of the first batch ones left over. You can program the ECU to run it normally though, so I bought that setup from them for less than half the price.

I still have most of the performance parts - sold the distributor and loaned my modified red box to my dad. It totally blew his socks off! I might sell the SPG9 AID and Jak Stoll EPROM if someone really wants them. Same with the rest of the spares - AMM, ECU, wiring harness, injectors, throttle body, APC solenoid, etc.
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Old 05-23-2015, 09:37 AM   #445
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3 years ago when I did my swap my Indy was at the point where he was actually getting out of 9k's and ng900's, so he was willing to give me whatever T5 parts I needed. I walked from car to car and pulled all kinds of goodies out. The biggest bitch was the CPS shutter wheel. I actually had to rip down a block to get it out.
The shutter wheel sounds like a textbook example of a Saab Diy. Spend 2 hours breaking down the bottom end to get at a part you can get brand new for 30$
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Old 05-23-2015, 09:54 AM   #446
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The shutter wheel sounds like a textbook example of a Saab Diy. Spend 2 hours breaking down the bottom end to get at a part you can get brand new for 30$
Haha, yup! And to really rub salt in the wounds, iirc the wheel I had pulled was warped or bent or something and MikeD ended up giving me one he had on the shelf. So all that work for a part we threw out anyway.
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Old 08-24-2015, 03:33 PM   #447
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The ol' airflow sprung a leak this past weekend. I initially thought the plastic fuel line from pump to filter was the culprit. I replaced it with rubber fuel line but I still had fuel leaking. Turned out the return line was spraying fuel onto the pump/filter line. The return line appeared to have a crimped pressure fitting coming from the plastic line going to one way valve on top of the tank. I cut out the crimped pressure fitting with the soft/weak rubber hose to get access to the brass barb and added a small 2-3" section of fuel hose. I have no leaks but the fact that I eliminated a pressure fitting concerns me.
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Last edited by dasaabguy; 08-24-2015 at 03:44 PM.
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Old 03-31-2017, 08:17 PM   #448
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Another primary fuel pump and she is running again. Hope she doesnt eat another one of these pumps because they aint cheap.

Saab convention is in Pomona this year so I hope to show it there.

Im looking for a good shop to tune and possible replace the power steering rack.
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Old 09-10-2017, 07:40 PM   #449
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Updated pics. Got around to taking Frankensaab to the smog shop only to find out the charcoal canister was missing. I sourced the appropriate canister and lines and am waiting for them to arrive.
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Old 09-11-2017, 04:09 AM   #450
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Yess! Excited to see this moving on it's own!
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Old 09-11-2017, 07:50 AM   #451
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Those wheels tho. So good.

Great seeing you at SOC, hope to see the car at a meet soon.
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Old 09-11-2017, 10:13 AM   #452
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OMG this site is alive. Lol

Jeff good seeing you too! I was hoping to have the car at SOC and Socaleuro but it didn't work out.
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Old 09-11-2017, 10:19 AM   #453
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For any c900 experts still out there. What does it mean when I blip the throttle and I get immediate stumble / hesitation at the intake manifold? It happens whether the car is cold or hot. I've also experienced on some occasions the car shutting off when coming to a stop when hot.
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Old 09-11-2017, 10:54 AM   #454
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OMG this site is alive. Lol

Jeff good seeing you too! I was hoping to have the car at SOC and Socaleuro but it didn't work out.
I think we're mostly all still here, posting less and lurking more. Everybody got a little older and lot busier, all of the sudden...
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Old 09-11-2017, 11:16 AM   #455
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Vacuum leaks will cause that. Sometimes the bushings in the intake manifold will be loose enough that sharp spikes in pressure will let them leak and then seal back up. Also if the check valve going to the PCV nipple on the cam cover is missing or installed backwards.

Start pinching off vacuum lines while you blip the throttle and see if you can isolate it.
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Old 09-11-2017, 11:33 AM   #456
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Good points Drew! I just installed all new vacuum lines and ordered new IM grommets. I actually have the throttle body and AMM out at the moment for another cleaning.

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Old 10-01-2017, 03:32 PM   #457
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Ok folks installed all new intake manifold grommets, charcoal canister, charcoal canister plastic vacuum line. When installing the plastic line I noticed I did not have the correct intake manifold vacuum fitting to accept the plastic line. This was due to the 87 900 Throttle body not having the correct port for the IAC hose. I found an 89 900 turbo Throttle body and the correct vacuum fitting that I'm going to swap in. Looks like I will need to swap over the throttle cable brackets and I will need to tap one of the bracket holes. Everything should connect correctly when it's all done.


Seperate note, I'm putting in yet another set of BCP7ES plugs gapped at .028 due to carbon fouling. Will swapping the 3.0fpr for a 2.5fpr fix the plug fouling issue?
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Old 10-05-2017, 02:02 PM   #458
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For any c900 experts still out there. What does it mean when I blip the throttle and I get immediate stumble / hesitation at the intake manifold? It happens whether the car is cold or hot. I've also experienced on some occasions the car shutting off when coming to a stop when hot.
I noticed this issue on my '85 (lh2.2) when I went with 2.1L head/intake/cams. It may explain why Saab went with asymmetrical ports on lh2.2/2.4 and non asymmetrical with lh2.4.2
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Old 10-09-2017, 08:46 AM   #459
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Even when I had a 3.0 BAR fpr in my car it did not visibly foul up plugs. Is your AMM an OEM Bosch meter, or an aftermarket one? Is the filament broken?

There's a procedure to check it in the Bentley manual (and the factory LH service manual). LH2.2 has an adjustment pot on the AMM as well, it may be way out of whack. I'd check that too.
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Old 10-16-2017, 02:32 PM   #460
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The oem Bosch AMM tested good,
filament glowed when car was shut off.

I have a spare AMM so I will throw that in and see what happens.

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Even when I had a 3.0 BAR fpr in my car it did not visibly foul up plugs. Is your AMM an OEM Bosch meter, or an aftermarket one? Is the filament broken?

There's a procedure to check it in the Bentley manual (and the factory LH service manual). LH2.2 has an adjustment pot on the AMM as well, it may be way out of whack. I'd check that too.
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