Geometry
#1
Posted 09 December 2005 - 04:23 PM
Had a look at my tires the other day and found that even though I had a wheel alignment done about 6 months ago and it did have negative camber (you can see it and I saw the sheets) I have still worn the outer edges of the tires much more than the inside. Does that mean that to get more even tire wear I need more negative camber, if so how much?
#2
Posted 09 December 2005 - 05:44 PM
The UC's went back to having the upper control arms mounted in the upper most mounting position which make the wheels gain positive camber when you corner or hit a bump - hence wearing the outside edge. You can either remount them lower to improve things (free other than a fair bit of fart arsing around)
or you could fit a spindle extender but that is also a bit of work since the guy at TSS doesn;t sell them anymore and you would have to do as I have and get chromoly ones from promotorsports in the US and machine the top taper to suit a Torana balljoint and a few other bit and pieces. and they cost a fair bit too. $180 or something from memory.
M@
#3 _CHOPPER_
Posted 11 December 2005 - 12:40 PM
#4
Posted 11 December 2005 - 01:45 PM
Does that mean that to get more even tire wear I need more negative camber, if so how much?
I would say it means you have too much toe-in. Get the alignment rechecked. To get even tyre wear with about 2-3 degrees neg. camber I would suggest about 4-5 mm toe in.
JMO
#5 _CHOPPER_
Posted 11 December 2005 - 10:11 PM
#6 _revmaniac_
Posted 03 May 2006 - 12:41 PM
TOE IN??????????? hes wearing the OUTSIDES of his tyres.....i would say that means he has too much toe in NOW......and excessive toe in will make it plough understeer like a b$%ch..... a lil toe OUT will make it turn in nicer and wear the tyres more evenly i feel...it worked on both my previous LX's..oh that and about 34 psi in the frontsI would say it means you have too much toe-in. Get the alignment rechecked. To get even tyre wear with about 2-3 degrees neg. camber I would suggest about 4-5 mm toe in.
JMO
#7
Posted 03 May 2006 - 03:38 PM
I'm with Chopper on this one, all Toranas work well with 2 to 4 mm Toe-In. These are street cars looking for maximum tyre life, not racecars.
As a matter of fact I can't think of too many RWD street cars that run any Toe-Out at all & still get the tyres to live.
By the way, I've been in this game for 30 years, this month & that's way too long for my sanity.
Dr Terry.
#8 _brett_32i_
Posted 03 May 2006 - 09:57 PM
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