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Author questions about reducing torque steer
SteveW
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Registered: 15th Jul 02
Location: Up in the clouds
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7th Aug 08 at 08:06   View User's Profile U2U Member Reply With Quote

Well as im going for another LET corsa, im thinking of how to reduce torque steer as much as possible..

The usual thing is getting a LSD fitted..

BUT

What about equal length driveshafts ??
Where ? How ? Does it work ? How much dosh ?


Do they make much difference ??
Are there any other ways of reducing it.. other than "dont fit a big horse power engine to a FWD car..."
pow
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Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
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7th Aug 08 at 08:14   View Garage View User's Profile U2U Member Reply With Quote

From what I've heard, equal length driveshalfs will work, but I'm also a bit confused how, the gearbox is nearer the nearside wheel than the offside wheel, how can the shafts be made equal lengths?
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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7th Aug 08 at 08:16   View User's Profile U2U Member Reply With Quote

stiffening the front end?

Keep the torque figure low
SteveW
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Registered: 15th Jul 02
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7th Aug 08 at 08:18   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Jambo
stiffening the front end?

Keep the torque figure low


cant do that.. need torque to pull the extremely heavy chassis
plus i can then go up steep hills in 5th
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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7th Aug 08 at 08:21   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by pow
From what I've heard, equal length driveshalfs will work, but I'm also a bit confused how, the gearbox is nearer the nearside wheel than the offside wheel, how can the shafts be made equal lengths?


The set up is a short shaft, as usual from the box to the passenger side wheel. The other side is 2 short shafts linked by a CV type joint. The first shaft is held by a mount on the back of the engine so it is solid. The second goes to the wheel. So effectively 2 shafts of equal length.
DaveB
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Registered: 29th Dec 00
Location: Huddersfield
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7th Aug 08 at 08:24   View User's Profile U2U Member Reply With Quote



Equal length driveshaft isn't actually 'equal'. It basically splits the offside driveshaft into 2 smaller shafts, with a mount that bolts to the back of the engine block. This reduces twist in the driveshaft
pow
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Registered: 11th Sep 06
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7th Aug 08 at 08:28   View Garage View User's Profile U2U Member Reply With Quote

I see, thanks Dave, that makes sence.

Steve, its not a bloody diesel
SteveW
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Registered: 15th Jul 02
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7th Aug 08 at 08:35   View User's Profile U2U Member Reply With Quote

ok, interesting

my last LET was able to pull up steep hills in high gears.. was dead impressed lol

ed
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Registered: 10th Sep 03
Location: Northampton Drives: Fiat 500/Porsche Boxster
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7th Aug 08 at 09:51   View User's Profile U2U Member Reply With Quote

Turn your steering wheel right when accelerating. It's only a problem if you floor it hands off a la Clarkson.
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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7th Aug 08 at 09:56   View User's Profile U2U Member Reply With Quote

thisi s very true ed
ed
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Registered: 10th Sep 03
Location: Northampton Drives: Fiat 500/Porsche Boxster
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7th Aug 08 at 09:58   View User's Profile U2U Member Reply With Quote

An LSD will do wonders too. When you do a burnout you will spin up both the wheels, not just one
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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7th Aug 08 at 10:00   View User's Profile U2U Member Reply With Quote

a diff will make it worse....

where as on a standard 'open' F28 etc the power will travel via the easiest option to s wheel with less traction... the diff will make it go to the wheel with grip.... pulling you about.

First couple of track days with my old

190lbft corsa i nearly ended up of the track (in the inside of corners) as it was gripping much more than before and just pulling me accross and out the corner.

Well worth it though
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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7th Aug 08 at 11:06   View User's Profile U2U Member Reply With Quote

Why would u want to reduce torque steer,its good fun having to fight it.
jr
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Registered: 20th May 02
Location: Kent
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7th Aug 08 at 11:10   View User's Profile U2U Member Reply With Quote

loosen the pressure that your right foot is putting on the accelerator pedal, best way
SteveW
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Registered: 15th Jul 02
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7th Aug 08 at 11:23   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by jr
loosen the pressure that your right foot is putting on the accelerator pedal, best way


have you not seen the size of my feet ???
jr
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Registered: 20th May 02
Location: Kent
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7th Aug 08 at 11:28   View User's Profile U2U Member Reply With Quote

more control then

 
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