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A place for you to create build diaries of the basket cases at the bottom of the garden/driveway.

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PostPosted: Fri Oct 10, 2014 9:54 pm 
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Joined: Tue Aug 27, 2013 1:49 pm
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Location: Bristol
Car Model: Dawes Clubman
Does it go better with the IC installed?

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PostPosted: Sat Oct 11, 2014 12:57 pm 
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Joined: Wed Jul 30, 2014 6:57 am
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Location: The Netherlands
Car Model: 900 classic
If it doesnt there is something wrong. ;)

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White 900 Classic, T5.5 converted, Full 9000 Aero Interior, Xenon Projector Headlights and more!


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PostPosted: Mon Oct 13, 2014 1:37 pm 
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Joined: Sat Jul 04, 2009 7:27 pm
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
Possibly... The intermitent boost due to running a manual boost controller because of the lack of speed signal means its hard to get consitant performance! Takes an age to make boost in 5th gear even when Im already doing 70mph... Need to wire in a 9000 speedo as per Froggys idea and see how it goes :-) What did you do for a speed signal Krizzie?

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PostPosted: Mon Oct 13, 2014 6:39 pm 
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Location: The Netherlands
Car Model: 900 classic
The speedo's from MY88 and on have a built in speedsensor. (mine is a MY91, with MY93 speedo) And the older ones have a seperate sensor which you can install at the back (Cruise control needs that) which you can also use for T5 I believe.

I haven't done the conversion to T5.5 myself though (I'm not good with wires :lol: ) there's a Saabspecialist here in the Netherlands that does professional conversions for the 900 classic and 99.

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PostPosted: Mon Oct 13, 2014 9:26 pm 
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Location: Bristol
Car Model: Dawes Clubman
Odd, I found it very consistent. At least once I'd swapped the turbo to one that didn't have a sticking wastegate. The boost threshold is quite high (i.e. you need some revs to get full boost), but I never, ever got the sense of the ECU doing anything to restrict performance. With a manual boost controller, you should always get the same boost - it's just a spring and ball bearing which prevents pressure going to the wastegate actuator until it reaches the set pressure. Has it got gunged up with oily breather fumes or something?

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PostPosted: Mon Oct 13, 2014 10:24 pm 
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
Well predictably the boost has been turned up since I had the car back :lol: The boost will wind round to 1 bar in 2nd-3rd/4th gear but then when in 5th it sometimes will boost to over 1 bar and then sometimes it will struggle to get more than 0.3 bar. I have thought this maybe due to stupidly tall type 8s coupled with a manual boost controller that gives a more laggy boost delivery anyway. Being I need to sort the speed input out anyway I've not been too bothered trying to hunt down a problem that will most likely dissapear when the APC is working.

Also having driven various 900s and 9000s I reckon the ignition/fueling is a bit tame. The boost comes on strong but I'd expect more power. Again not having it set up right yet Im not looking in to it any further.

The lack of umph up top is emphasised by this video :P


https://www.youtube.com/watch?v=FBR3FiB ... Zn3tefCVfw


Plenty of power in 2nd and 3rd then tapering off more and more in 4th and 5th.

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PostPosted: Tue Oct 14, 2014 8:02 am 
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Car Model: Dawes Clubman
Unpredictably under- or over-boosting is exactly what I was getting when the wastegate was sticking. It would stick closed and overboost (off the scale beyond 1 bar), WG would eventually open, next time there would be nothing until it eventually closed.

The turbo on there is the second replacement I bought, but has the WG from the original (smoky) one it came with originally. The WG was moving very freely, not sure why it would have become sticky.

I found that below 2000rpm there was nothing, between 2000-2500rpm, you'd get to full boost, very slowly. Above 2500rpm it would wind up pretty quickly.

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PostPosted: Tue Oct 14, 2014 8:51 pm 
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Joined: Thu May 05, 2011 4:39 pm
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Location: Auchindoun, Moray, North east Scotland
Car Model: Saab 99 T16 project
My 99 is behaving much the same way as this is, i'm running a MBC and my boost is unpredictable, goes to fuel cut sometimes, is a bit laggy, and sometimes a bit pithless farther up the rev range. I'm hoping that getting pac working will sort mine too..Really good project, great videos, put a big smile on my face

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PostPosted: Wed Oct 15, 2014 5:37 pm 
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
Glad to hear your 99 is giving you similar issues Ian :-P Is your idle rough too? Lack of speed signal messes with that too, idle control valve is disconnected on this one too smoothen it out but that then means its pretty notchy on and off throttle at low speeds. Hoping to get it sorted soon :-)

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PostPosted: Wed Oct 15, 2014 8:09 pm 
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Location: Auchindoun, Moray, North east Scotland
Car Model: Saab 99 T16 project
Mine was rough on idle, and insane about 4000 rpm and that went hand in hand with one of the reasons that it was really notchy/on and off throttle, and that was the cam timing was a tooth out, you know how they never look just 'dead on' the mark? well I retimed mine and that got the idle beautiful but it was still notchy, especially first or second at slow speeds, trying to maintain low throttle. that turned out to be my fault again, fitting the little throttle damper that bolts to the throttle body cured that one..

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PostPosted: Thu Oct 16, 2014 7:33 pm 
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
Hmm you know what I don't think I have that little throttle dampener anymore! I'll have a gander this weekend.


In the middle of trying to get hold of this car.

Image

It's used by the RAF Regiment guys on base as an instructional prop for vehicle search lessons. Off the road 10 years, non turbo 16 valve, manual but would be ideal donor to convert my Erec to rear handbrake and allow me to fit the 9000 brakes upfront. I'm still running solid front discs! :oops:

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PostPosted: Thu Oct 16, 2014 10:03 pm 
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Would be a shame to break that if it's any good. The 900i 16V is a lovely car to drive. Is that one an XS? 1992, cloth seats, manual sunroof, metallic paint and those fairly distinctive (and not very popular) alloys...

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PostPosted: Sat Oct 18, 2014 10:59 am 
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Joined: Fri Nov 23, 2007 6:13 pm
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Location: Maidstone
Car Model: 9-5 AeRoSE LPT saloon
that looks in far too good a condition to break.........at least from the outside. If it's solid underneath would you consider a rusty scrapper if it could be found?

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PostPosted: Sat Oct 18, 2014 11:00 am 
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Car Model: 9-5 AeRoSE LPT saloon
BillJ wrote:
Would be a shame to break that if it's any good. The 900i 16V is a lovely car to drive. Is that one an XS? 1992, cloth seats, manual sunroof, metallic paint and those fairly distinctive (and not very popular) alloys...

I'm thinking lighter flywheel, a de-cat and Trionic 5 conversion - would be lovely 8)

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PostPosted: Sat Oct 18, 2014 9:55 pm 
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Joined: Sat Jul 04, 2009 7:27 pm
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
Ive not been very thorough in checking it out, but from my quick gander at it I can see the paint work is pretty scratched and shabby looking and the back half of the exhaust has snapped off. Few weird things going on under the bonnet, some pipes missing, oil cap missing and something rubber wedged down there... Headlining dropped and yes its an XS on a J plate, french style plates too :-) I understand a good car should never be put down but Im fully expecting this one to be some sort of rot box/terminal failure of some sort. Just hope its not the gearbox! :-P

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PostPosted: Tue Oct 28, 2014 8:27 pm 
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Joined: Sat Jul 04, 2009 7:27 pm
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
When I sold the car to Nial it had a JT exhaust fitted to it. When I bought the car back it didn't :(

I solved this by getting hold of the very same exhaust that came off Erec and putting it back on! :P Thanks Cheq!

Image

Image

Image

Image

Image

Better :D A c900 with a louder exhaust sounds amazing! One day I may own a welder again and make a 3" down pipe to go with it.


Failed it's MOT today on 1 worn lower front shock bush, hardly worth failing it on! Got a pair in the post and will fit them on Monday and get it retested :)



Image
8)

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PostPosted: Tue Oct 28, 2014 11:18 pm 
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Joined: Tue Aug 27, 2013 1:49 pm
Posts: 160
Location: Bristol
Car Model: Dawes Clubman
I came *this* close to chucking the JT exhaust in the scrap metal bin at work, just as well I didn't, eh?

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PostPosted: Mon May 04, 2015 10:31 pm 
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Joined: Tue Aug 27, 2013 1:49 pm
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Location: Bristol
Car Model: Dawes Clubman
Any news? EREC still going?

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PostPosted: Fri May 08, 2015 7:22 pm 
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Joined: Sat Jul 04, 2009 7:27 pm
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Location: Wincanton
Car Model: '87 T16 & T5'd C900 saloon
Yes Nial Erec is still going strong :-) I've not really done anything to it in months, just been using it!

Theres still a list of jobs I will eventually get round to but nothing too pressing.

The JT exhaust is starting to develop more and more leaks, I will eventually buy a welder and make a full 3" system.

The T7 APC still doesnt work, I've tried a working valve and another ECU with no luck so the next job is to look in to the wiring in to the ECU, pin outputs etc.

The car is notchy on and off throttle, I need to find and fit the throttle damper some 900s have.

When cold the idle isn't perfect, will occasionally cut out when coming to a stop but only for the first 2 or 3 minutes of driving, I need to get round to hooking up the ecu to a lap top and do some fine tuning (not that Ive any real idea what Im doing :-P)

And the doors, it still has the tatty ones fitted! I've got 4 decent doors but in blue, I just can't justify paying for a respray, been tempted by DIY wrapping the whole car. We will see!

I will get round to the jobs but I just bought myself a 1999 Hayabusa so I think I've maxed out the toy budget for a while :P

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PostPosted: Sat May 09, 2015 2:54 pm 
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Joined: Tue Aug 27, 2013 1:49 pm
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Location: Bristol
Car Model: Dawes Clubman
Glad to hear he's still going strong.

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