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200 Series General Forum for the Volvo 240 and 260 cars |
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M90 240Views : 1304 Replies : 3Users Viewing This Thread : |
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Mar 26th, 2024, 21:07 | #1 |
New Member
Last Online: Apr 29th, 2024 22:56
Join Date: Jan 2024
Location: Coventry
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M90 240
Hello there so after blowing 2 m47 boxes up in a month I've bought a m90 I'm looking for any advice on fitting this in my 240 please if any one has any I'd greatly appreachiate it
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Mar 27th, 2024, 10:20 | #2 |
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Last Online: Yesterday 07:24
Join Date: Jul 2013
Location: Leics
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Hi
If you're careful and take the clutch slave cylinder out of your M47 before you remove it from the car then you can put it in the M90 when it's in. Saves disconnecting the slave and bleeding it etc. Before you put the box in you will need to shim out the pivot ball a few mm. The plastic cover that fits on the pivot ball will probably have disintergrated so have a new one ready. You'll need to reduce the length of the gearstick support and actuator link to get the gearstick in the right spot in a 240. You will also need a spacer to fit between the gearbox output shaft and propshaft. Depending on which box you have (the paper sticker telling you this is usually missing) you may want to strip the box down and weld the 3rd gear syncho support ring. I'd also change the oil while it's easy to get at. There's several threads around detailing how to do it. I've probably forgotten a few steps. Take your time and allow twice as long as you think it will take. Tim |
Mar 28th, 2024, 20:24 | #3 |
Master Member
Last Online: Yesterday 10:17
Join Date: Nov 2012
Location: London and Cambridge
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I’ve got an m90 in my 240. You’ll need to:
Shorten the gearstick linkages by 100mm (one is alloy, one steel) Reduce the width of the bracket holding the rear end of the alloy gearstick linkage so it’ll fit inside the narrower 240 tunnel and find a way of attaching it to the tunnel top (I welded on an m6 bolt and drilled a hole in the tunnel in the correct place Lengthen the front half of the propshaft by 50mm/or find a bolt on spacer (I think Lucas mods sell one) Get a clutch to suit the m90 gearbox - the spline count is different to an m47. Depending on your power goals, a turbo diesel clutch from an early 940 may be all you’ll ever need. Cheers |
Apr 1st, 2024, 21:41 | #4 |
Trader Volvo in my veins
Last Online: Today 22:18
Join Date: Dec 2004
Location: Anglesey
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Shorten gear linkages by 100mm
Lengthen prop by 50mm Use m90 bracket adaptor Space out pivot ball by 5/6mm or use the lengthened version Replace the plastic ball cap for the clutch fork Clutch use the dog dish M90 clutch or go with the TTV flywheel conversion Oil use the redline MTL https://www.classicswede.org/shop/re...mtl-75w-80-gl4 |
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