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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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Front wheel drive XC60 with VEA engines - traction in wet?Views : 3866 Replies : 42Users Viewing This Thread : |
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Aug 27th, 2016, 23:02 | #21 | |
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Aug 27th, 2016, 23:18 | #22 |
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For towing I'd say take a look at the XC70 AWD if you don't need the seven seats of the XC90. It has a higher towing capacity than the XC60 and a heck of a lot of room in the boot. Pretty good off road as well.
Tends to get overlooked but out here it pretty popular. Roy
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1984 245 SE 1986 345 SE Auto 1991 940 TD Auto 2003 XC90 D5 SE AWD Geartronic2002 V70 D5 SE Auto 2014 V40 D2 SE Tiptronic Cross Country 2017 V40 D2 Cross Country Geartronic Pro 2015 XC60 D5 Polestar SE Lux Nav AWD Geartronic |
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Aug 27th, 2016, 23:29 | #23 |
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It's a company car - the emissions on the AWD versions are substantially higher and hence quite a hit on BIK tax. Plus my allowance wouldn't quite stretch to the AWD versions so they weren't an option anyway...
I would have had one otherwise.
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Aug 28th, 2016, 07:48 | #24 |
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^ makes sense.
Yesterday, we had our dealer's AWD F-Pace out on the road for three hours. It reminded me of the Art of What's Possible with AWD that has a rear wheel bias. In a standing start it is phenomenal. But what I recall is the fact that there was absolutely no wheel spin whatsoever. If you can afford it then the D5 and AWD is the way to go unless you don't ever seem bothered by the topic under discussion. Arianne
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Aug 28th, 2016, 09:25 | #25 |
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The wet traction from the FWD VEA is as good as any FWD car and better than any RWD.
I will concede though that it has bad torque steer of a kind not normally experienced on a modern saloon car. AWD does indeed have a lot more straight line traction, wet or dry, but don't mistake this for cornering grip at speed as it will under steer just the same way as the FWD, as any vectoring at speed is done by braking on the existing momentum on both types. Unless of course you have an F1 type active differential. Believe me I've done enough conversion training for professional drivers, from RWD to FWD, to 4WD and some now back again to RWD, can't be long till we are on 4 wheel electric power vectoring though.
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Aug 28th, 2016, 20:56 | #26 | ||
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The controllability of the Haldex AWD system provides the unique possibility to balance and control oversteering and understeering of the car with great precision and stability. The Volvo Performance Concept Car is also equipped with an advanced active chassis system, FOUR-C (Continuously Controlled Chassis Concept). With the unique interaction between Haldex AWD-system and FOUR-C, Volvo has managed the co-operation between two individual systems to provide extraordinary advantages in the performance of the car. Volvo selected Haldex as development partner for the concept car because of Haldex position as a market leader of advanced all-wheel-drive technology, both concerning AWD system performance and engineering development capability. "In this application Volvo does not use the all-wheel-drive for enhanced off-road ability, but for advanced roadholding, dynamic stability and enhanced safety. Borg Warner are using a new variation of the Haldex unit on the F-Pace. http://www.borgwarner.com/en/News/Pr...fer%20Case.pdf Version 5 Haldex is what is used on the current XC60...http://www.borgwarner.com/en/News/Pr...new%20XC90.pdf Roy
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1984 245 SE 1986 345 SE Auto 1991 940 TD Auto 2003 XC90 D5 SE AWD Geartronic2002 V70 D5 SE Auto 2014 V40 D2 SE Tiptronic Cross Country 2017 V40 D2 Cross Country Geartronic Pro 2015 XC60 D5 Polestar SE Lux Nav AWD Geartronic |
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Aug 29th, 2016, 08:08 | #27 | |
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You do of course have a huge benefit in getting power down, but no ASC system will let you do that against a loaded yaw sensor, you might see the BTCC guys with FWD throwing power down to straighten the car up, but no manufacturer build that in as needs a tight diff that would wind itself up on the road. I have been extensively trained to train / demonstrate to other professional drivers by BMW, Prodrive, Ford, Mercedes Benz, Maserati, Jaguar Land Rover, Nissan and .....Volvo. Working with Nissan is best, they give you a lambs wool jumper.....the rest only polo shirts.... Each includes a full technical briefing on the technology fitted, how they developed it, how they feel it is best used, what the software and hardware is set up to do and the limitations (usually of the brakes and in the 2wd cars, the driven tyres) Which car would I prefer not to drive is a sticky situation....a Mercedes ML, the state they get into in tightening corners is as bad as a 70s Range Rover, after it loads up, gives up, and the ASC slams on the anchors you're both sea sick and have lost all your momentum. I'm not slagging off anyone's choice for AWD, just don't choose it for safety, it's only benefit is traction, which for many is a boon for towing, for marginal grip or steep roads or just for flooring it at roundabouts. It's all to be weighed up against more weight leading to a longer stopping distance.
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Aug 29th, 2016, 17:13 | #28 | |
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Roy
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1984 245 SE 1986 345 SE Auto 1991 940 TD Auto 2003 XC90 D5 SE AWD Geartronic2002 V70 D5 SE Auto 2014 V40 D2 SE Tiptronic Cross Country 2017 V40 D2 Cross Country Geartronic Pro 2015 XC60 D5 Polestar SE Lux Nav AWD Geartronic |
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Aug 29th, 2016, 18:42 | #29 |
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How does the Volvo know where the Apex of the bend is ?
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Aug 29th, 2016, 20:04 | #30 |
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Sensors.
Roy
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1984 245 SE 1986 345 SE Auto 1991 940 TD Auto 2003 XC90 D5 SE AWD Geartronic2002 V70 D5 SE Auto 2014 V40 D2 SE Tiptronic Cross Country 2017 V40 D2 Cross Country Geartronic Pro 2015 XC60 D5 Polestar SE Lux Nav AWD Geartronic |
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