Primary drive gears 89SPG - Saab Performance Bulletin Board - Saabnet.com
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Primary drive gears 89SPG
Posted by TSR [Email] (more from TSR) on Sat, 26 Jul 2003 16:44:53
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Just put together my 89' Saab trans and have been looking for the higher "8" primary drive gears in the front(clutch side) of a 89 900 5spd trans. The larger gear would have 33 teeth and the smaller 24.
Most turbo saabs have the "7" this number is the 5 digit in the gear box number as in GM35701. These are 31 teeth on the larger and 25 on the smaller. This get you a .78 drive ratio. the "8" take it to .72 ratio.
Bottom line is I know this is the wrong direction for performance but I want lower RPM's at cruise speed. Write now I do 3500 at 85mph. This is too high in my option. I want it down around 2800 at 80 or so. This is what the "8" are supposed to do.
The saab manual says that from 90-93 US spec cars with a NON turbo 16v engine should have had these "8" gears. I spent a long time and called everyone and never found them. Erikkson industries told me they were never available on a US spec 900. Anyone have some or know where to get them??
TSR
posted by 204.30.201...
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