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200 Series General Forum for the Volvo 240 and 260 cars |
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New member + '82 244 transmission swap advice neededViews : 1110 Replies : 15Users Viewing This Thread : |
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Oct 7th, 2019, 15:49 | #11 | |
Experienced Member
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Volvo's usual practice is when you have ab OD the axle ratio is lower , hence the whole car feels more lively . I converted a 140 once and it had the standard axle ratio , it made the OD gear rather lifeless , ie ok down hill and on the flat but any slope and the gearing was a bit high, but you can always drop back to 4th gear :-)
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My comments are only based on my opinions and vast experience . Last edited by Clan; Oct 7th, 2019 at 16:04. |
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Oct 7th, 2019, 17:30 | #12 |
Junior Member
Last Online: Sep 17th, 2020 10:42
Join Date: Sep 2019
Location: LONDON
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Thanks all for invaluable help, already learnt a lot in the short time I have been here.. I was thinking that the m46 was the way but if the m47 on offer has the prop etc in place it may be a good idea..
Do factory fitted od boxes have the switch in the gearstick? If anyone has an od m46 with accoutrements I would be very interested as well.. |
Oct 7th, 2019, 20:10 | #13 | |
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Oct 8th, 2019, 08:23 | #14 |
Not an expert but ...
Last Online: Today 12:45
Join Date: Dec 2001
Location: Boncath
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In general with overdrives I prefer the switch on the gearlever because then you can coordinate operation with the gear changes. But as the Volvo one operates only in 4th gear (unless you modify the cut-out switches) there's not much point.
I once had a 240 with the OD switch mounted in the redundant square panel in the dashboard, close to the dip switch. |
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Oct 11th, 2019, 17:55 | #15 |
VOC Member
Last Online: Apr 24th, 2024 09:24
Join Date: Dec 2001
Location: Hull
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I vaguely remember reading somewhere that Volvo chose to make overdrive only available on 4th gear to limit the amount of torque the overdrive unit had to handle. How true this is I don't know.
However more importantly it ensures there is no possibility of the overdrive being engaged when reverse is selected which could be catastrophic. It's something to be aware of if you make up your own circuit to operate an overdrive. Martin |
Oct 11th, 2019, 20:06 | #16 |
Trader Volvo in my veins
Last Online: Yesterday 22:41
Join Date: Dec 2004
Location: Anglesey
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Correct it is to limit the torque and never use in reverse
I used to wire them to use in any gear but in all honesty you only really need it in top. It could just be handy sometimes in 3rd when overtaking to use the OD rather than change up |
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