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Thursday 23 September 2010
Tuesday 7 September 2010
Engine and Box Together at last
A quick update, minus photos unfortunately due to both of us wanting to just get on with it rather than stopping to take pics!
We bought a clutch from ebay but picked the wrong one, sent it back and got another wrong one in replacement, cancelled that one and ended up with the bargain of the century from http://www.buypartsby.com/, a little over £100 for a clutch kit - for 228mm B204L Turbo. Note that if using the hydraulic clutch cylinder from the Omega, you need the hydraulic Saab clutch type. Our Saab was a cable clutch originally. The clutch catalogues refer to it as 'Concentric bearing' and it differs as the spring fingers on the clutch cover are slightly rounded off, and the matching hydraulic thrust bearing is flat faced rather than round faced as per the cable clutch type. Clutch kits for hydraulic type tend not to come with a new thrust bearing.
Now I've read in a lot of places that the cylinder needs spacing out from the gearbox as the Omega has a huge thick dual mass flywheel, but the Saab one is skiny. Places like SBDevelopments sell spacers if needed. We put a straight edge across the clutch fingers and mesured distance to block face (64mm), then measured depth from bellhousing face to clutch bearing face, also 64mm! So unless something is wrong, we can't see the need for a spacer. Time will tell...
Before fitting a clutch, you need a spigot bearing, we got one from ebay, from memory its 21mm OD, 15mm ID, check it fits on your gearbox shaft before bashing it into the end of the crank with a bit of wood and a hammer. Try freezing it first to contract it slightly before installing.
So, we fitted the clutch to the flywheel using an alignment tool, which didn't help so we had to loosen clutch cover bolts, move the friction plate dead central then re-tighten cover screws.
Next we lightly greased the input shaft and mated the gearbox and engine together. It takes some wiggling but all of a sudden will drop into place. Bolts tightened up and voila! One very heavy lump of metal swinging from the engine crane to be installed in our chassis.
We bought a clutch from ebay but picked the wrong one, sent it back and got another wrong one in replacement, cancelled that one and ended up with the bargain of the century from http://www.buypartsby.com/, a little over £100 for a clutch kit - for 228mm B204L Turbo. Note that if using the hydraulic clutch cylinder from the Omega, you need the hydraulic Saab clutch type. Our Saab was a cable clutch originally. The clutch catalogues refer to it as 'Concentric bearing' and it differs as the spring fingers on the clutch cover are slightly rounded off, and the matching hydraulic thrust bearing is flat faced rather than round faced as per the cable clutch type. Clutch kits for hydraulic type tend not to come with a new thrust bearing.
Now I've read in a lot of places that the cylinder needs spacing out from the gearbox as the Omega has a huge thick dual mass flywheel, but the Saab one is skiny. Places like SBDevelopments sell spacers if needed. We put a straight edge across the clutch fingers and mesured distance to block face (64mm), then measured depth from bellhousing face to clutch bearing face, also 64mm! So unless something is wrong, we can't see the need for a spacer. Time will tell...
Before fitting a clutch, you need a spigot bearing, we got one from ebay, from memory its 21mm OD, 15mm ID, check it fits on your gearbox shaft before bashing it into the end of the crank with a bit of wood and a hammer. Try freezing it first to contract it slightly before installing.
So, we fitted the clutch to the flywheel using an alignment tool, which didn't help so we had to loosen clutch cover bolts, move the friction plate dead central then re-tighten cover screws.
Next we lightly greased the input shaft and mated the gearbox and engine together. It takes some wiggling but all of a sudden will drop into place. Bolts tightened up and voila! One very heavy lump of metal swinging from the engine crane to be installed in our chassis.
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