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Old 01-09-2019, 08:05 PM   #1
Dr.d-dizzle
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Default M47/46 in a 1971 140?

Hi, i did some searching and couldn't find anything in the topic before. Now I'm sure this is a stupid question, but How hard would it be to put an m47 in a 1971 140? I have a gearbox laying around and the clutch went out on my 71 140. Figured if its not too much fabrication i might as well just put in the m47. I have a feeling the shifter placement will be the biggest issue.

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Old 01-09-2019, 08:19 PM   #2
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Transmission tunnel, driveshaft, mounting angle, and transmission mounts are incorrect.
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Folks on here don't know a good deal when they see it.
how psi stock cna support?

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Old 01-09-2019, 08:26 PM   #3
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Good to know! Thanks
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Old 01-09-2019, 08:52 PM   #4
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The tunnel is easily taken car of with one of these which I have in stock.

.

There was a guy in the Netherlands that was cutting and welding bell housings to correct the mounting angle. I don't know how to contact him or if he's still doing it.



If you can find one, Volvo made such a bell housing but they're very rare.



Most drive shaft shops can make a custom shaft, so that's not an issue.

Fabricating the trans mount would probably be the hardest part. That and adapting the clutch cable.
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Old 01-10-2019, 12:52 AM   #5
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If you use the special transmission support bracket Volvo made for 140/164 with overdrives, you can bolt in either an M41 or M410(4 cylinder version).
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Old 01-10-2019, 02:34 AM   #6
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The bellhousing needed is the 1975 b20 with m46 bellhousing from a 75 240. Yeah it's rare..
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Old 01-10-2019, 08:18 AM   #7
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Quote:
Originally Posted by sbabbs View Post
The bellhousing needed is the 1975 b20 with m46 bellhousing from a 75 240. Yeah it's rare..
1975 is still M40/M41. 1976 B20 cars has M45.
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