Converting 280S auto to manual?

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Nab

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I've been thinking about selling my 280S for a while, just feel like it's not pushing all my buttons. I've checked out a few other brands of classic cars and have been disappointed with whats on offer (except for a burgundy Triumph 2500S currently for sale on Carsales - it's absolutely mint - shame my 198cm frame doesn't fit in it). I did drive a manual and it was so much fun (car was average though) - I think the manual transmission is what I'm after.

Not many manual W116s or parts in Australia. Any ideas where to look? Mainly the pedal set and clutch/flywheel parts. Any other options on transmissions other than the 4-speed? My owners manual mentions a 5-speed option but I think hen's teeth would be easier to find...
Maybe even a 5-speed supra gearbox (was a common conversion on old Holdens)?

Done a couple trans swaps 20+ years ago so I have a rough idea on tailshafts, gearbox mounts etc.. Worst case, if it goes pear shaped I can just put the auto back in.
 

Michel

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What comes up for sale more often are 107 series 280 models with manual transmissions
 
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Nab

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Thanks guys, have since found out that the M110 is externally balanced via the flywheel/flex plate so changing to manual might take a bit more engineering than just bolting it all up!
Also sounds like the $$$$ are adding up real quick...
 
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Stephen Nemeth

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Converting to a manual is doable, but comparatively expensive. I swapped a MB 716.644 6 speed transmission into my 1983 500SL. I used a Kangaroo team adapter kit and shifter. They also sell used transmissions. I sourced an R107 clutch pedal assembly from Germany and a handbrake assembly from the UK. Total cost was around $3k Cdn. It was definitely worth it from a driving enjoyment perspective.
 
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Nab

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Converting to a manual is doable, but comparatively expensive. I swapped a MB 716.644 6 speed transmission into my 1983 500SL. I used a Kangaroo team adapter kit and shifter. They also sell used transmissions. I sourced an R107 clutch pedal assembly from Germany and a handbrake assembly from the UK. Total cost was around $3k Cdn. It was definitely worth it from a driving enjoyment perspective.
Thanks for that. Not sure I'm confident enough and know enough about the W116 to be ordering what I need from overseas!

Cheers again guys, I think I will put this idea to rest unless I find a cheap manual that is being wrecked!!!
 
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