Building a 900 for hillclimbs

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KPAero
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Re: Building a 900 for hillclimbs

Postby KPAero » Wed Mar 12, 2014 8:02 am

Stock tank

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Crazyswede
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Re: Building a 900 for hillclimbs

Postby Crazyswede » Wed Mar 12, 2014 2:33 pm

how are you doing the fuel pickup and line routing into the tank?
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KPAero
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Re: Building a 900 for hillclimbs

Postby KPAero » Mon Apr 21, 2014 11:45 am

For the fuel lines the plan is to remove the fuel pump from the stock assembly and just have a tube pickup inside there. Then I'll use a little bit of the stock lines and then have 8mm barb to -6AN adapters. I've been told this type of setup works fine, as long as you don't put the fuel pumps really far from, or way above the tank.

KPAero
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Re: Building a 900 for hillclimbs

Postby KPAero » Mon Apr 21, 2014 11:47 am

More work done. Started getting a heater core back into the car. I originally had the stock one installed, but removed it at one point and it never got re-installed, partly because it was big and got in the way. It is nice to have one though when its a bit colder or especially if its raining.

The new set up Im installing will use a 9000 oil cooler as the core, and two 3in inline blowers. For the heater valve Im re-purposing a C&R remote oil filter housing with a built in bypass valve. Because I don't want to be filtering my coolant, I welded a small aluminum "bowl" where the filter would have gone.
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Cark
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Re: Building a 900 for hillclimbs

Postby Cark » Mon Jun 30, 2014 7:32 am

Way to go Pascal on great climb yesterday at Mt. Washington! It was an awesome day with great weather, great cars, and fast times. My lady was so giddy when she saw the little old SAAB blasting up the mountain :)

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03 9-5 Aero Wagon 5 spd M/T
85 900 turbo 5 spd 105k miles - Trionic 5ed in a day

KPAero
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Re: Building a 900 for hillclimbs

Postby KPAero » Tue Jul 15, 2014 11:55 am

I had transmission issues at Burke this weekend. Last night I pulled the side covers and it looks like the Pionion housing is now in two pieces. I drove the car for a pretty short distance after feeling something wrong, and the gear oil looked ok, so hopefully there wasn't to much damage to anything else.

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Luke
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Re: Building a 900 for hillclimbs

Postby Luke » Tue Jul 15, 2014 12:18 pm

Just checking, but you didn't use std 4spd cast iron pinion housing did you? Those fail on stock 105 HP 99's.
You need the 86-88 5spd aluminum one...

KPAero
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Re: Building a 900 for hillclimbs

Postby KPAero » Tue Jul 15, 2014 5:39 pm

It is definitely aluminum. Did the later 4 speeds have aluminum ones?

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Jordan
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Re: Building a 900 for hillclimbs

Postby Jordan » Tue Jul 15, 2014 7:07 pm

some of them were sand cast ? which I thought you also didn't want to use. Or was that cast iron?

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Geoff
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Re: Building a 900 for hillclimbs

Postby Geoff » Tue Jul 15, 2014 10:29 pm

The kind of dirty that doesn't wash off :eyebrows:

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Luke
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Re: Building a 900 for hillclimbs

Postby Luke » Wed Jul 16, 2014 10:07 am

Most of the 4spd I've seen are cast iron, Its possible that 79-80 4spds used aluminum? At any rate a 4spd aluminum one would have been the die cast or sand cast variety. I have a picture of the good one somewhere.

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Jordan
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Re: Building a 900 for hillclimbs

Postby Jordan » Wed Jul 16, 2014 10:12 am

They still were available from saab a short time ago, but I checked yesterday and they are NLS. Not that there is a shortage of blown up gearboxes to pull from.

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Re: Building a 900 for hillclimbs

Postby paulh » Wed Jul 16, 2014 2:32 pm

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That's the chillcast unit, stolen from this thread viewtopic.php?t=867

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comparison between the two, from this thread http://www.saablink.net/forum/performan ... 8924-4.htm

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Luke
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Re: Building a 900 for hillclimbs

Postby Luke » Wed Jul 16, 2014 2:59 pm

Erickson used to have custom carrier available that took one larger bearing (like on the '89+) but fit the early gearboxes. I don't think the big bearing is necessary for high power (I think it's more a long term wear benefit) but it would be cool to have a batch of really nice billet aluminum carriers custom machined....

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Crazyswede
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Re: Building a 900 for hillclimbs

Postby Crazyswede » Wed Jul 16, 2014 4:39 pm

it looks like the kind of part that a machine shop could mill out of a chunk of aluminum for you relatively easily.
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