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AWD Discussion A forum dedicated to the AWD systems fitted to Volvo cars. |
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permanent awdViews : 5622 Replies : 15Users Viewing This Thread : |
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#1 |
Junior Member
Last Online: Apr 23rd, 2013 14:31
Join Date: May 2010
Location: blackpool
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has anyone tried to make a 850/v70 permanent awd?
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#2 |
Master Member
Last Online: Feb 23rd, 2021 00:40
Join Date: Jan 2009
Location: rotherham
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i dont think the rear driveshafts will cope, its not a quattro lol!
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mmmmm T5.... |
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#3 |
Premier Member
Last Online: Oct 11th, 2012 08:49
Join Date: Jun 2010
Location: manchester
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Would be interesting if it could be done
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I said a 10 second car not a 10 minute car Chipped and rolling roaded at 221.9 hp at std boost Horns relocated for better air flow with a Horn from a Vag,Coil overs fitted |
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#4 |
VOC Member
Last Online: Jan 5th, 2020 18:09
Join Date: Aug 2009
Location: Preston
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An AWD is, just the torque is limited 'til its needed, I think the rear diff etc would take the full power, it does in a (^) and thats essentially where the components started off
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Andrew... 244T '90 740 GLT: Standard car '80 240 DL: Lots of bits and bobs inc turbo intercooler etc etc |
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#5 |
Master Member
Last Online: Feb 23rd, 2021 00:40
Join Date: Jan 2009
Location: rotherham
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lol i dont think a group B quattro had haldex sized rear driveshafts...or even a normal RS2 quattro for that matter *rolls eyes*
i suppose the saving grace is that it'll only ever have to put down half the power that the engine can produce alex
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mmmmm T5.... |
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#6 |
v70 Awd T se
Last Online: Jan 2nd, 2015 17:53
Join Date: Feb 2007
Location: london
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This is how I understood it - I read somwhere that under normal conditions, it's 90% to the front, but up to 50% can be diverted to the rear when traction is needed, but I cant remember where I read that.
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#7 |
New Member
Last Online: Mar 28th, 2019 14:43
Join Date: Oct 2011
Location: london
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#8 |
Master Member
Last Online: May 17th, 2023 13:08
Join Date: Nov 2011
Location: Turriff
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I understand that for towing more drive is sent to the rear wheels when you connect the tow bar electrics. I dont know the exact % but the exct same system is used in the modern 4 motion system that volkswagen and Audi use.This haldex system is used in most 4x4 vehicles most sucessfully in the freelander. The reason its so good off-road is that it is biased to 4x4 upon take off and doesnt wait for a wheel to slip to engage.
Therfore you dont get stuck in the first place. I have not tested the theory but after last winter intend to keep a trailer board in the boot as the whole waiting on a wheel to slip is a joke on ice and snow. The computer just thinks you are driving and does hee haw to help you. By which time your wheels are now on sheet ice. |
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#9 |
Forum Support Team
Last Online: Yesterday 23:48
Join Date: Aug 2009
Location: Watford
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Plugging in towbar electrics doesn't affect the AWD as far as I know. Nor should it.
The car detects the front wheels are slipping so transfers power to the rear wheels through a diferential of some form or another. I think the max power transfer is a 70/30 split. Also from a personal view, the freelander isn't exactly "capable" offroad. Just my own experience while offroading in the Discovery ... we had to save more of them from the mud than anything else ![]() |
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#10 | |
Experienced Member
Last Online: Today 10:16
Join Date: Jun 2007
Location: L/H side
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regarding waiting for a wheel to slip , it is literaly one spoke movement on the wheel rim, not exactly waiting for the wheel to spin ..
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