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Full Lock, Reversing FNS Tyre "jumping"

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Old 24 February 2010, 04:49 PM
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scooby L
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Default Full Lock, Reversing FNS Tyre "jumping"

Since swapping to the dreaded F1 eagles (GD3's) when ever I reverse with any kind of lock I get a scrubbing, then "letting go" jump from the front near side tyre...

is it just the tread pattern (directional v) fipping as it lets go.. or is my LSD causing this? (Does the 2008 STI have a front LSD?)

I never used to get it with the Dunlops
Old 24 February 2010, 05:12 PM
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JulioJordio2
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I have the exact same issue with exactly the same tyres since I got a bit over eager donughting in the snow

I have had my tracking checked on advice from Scoobyteknix, as the inside of my front tyres wore massively within a few hundred miles. They advised tracking, got that checked, spot on, chap there said camber had been knocked out, so its back to Scoobyteknix tomorrow for an adjustment by them.

Have you had any shennanigans in the snow with it? Or knocked the front end?

Hope it is my camber, already replaced the tires, and obviously forking out for the camber adjustment.
Old 24 February 2010, 05:19 PM
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ScatRat
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had same on 2008 wrx,,
from new,
subaru, couldnt find a fault, with alignment
Old 24 February 2010, 05:23 PM
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scooby L
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No I've not had any knocks or anything... It was worse then I realised the DCCD was in manual and locked, so switched back into Auto which improved it but it still does it..

Maybe by locking the DCCD (in the snow I tried everything to get those F1's to grip) I've created a fault on that side?

Whenever I want to go out on a "spirited" drive I have to select "Auto -" now, just to stop the front end skidding all over the place... I assumed it was the tyres.. maybe it's something more.

Last edited by scooby L; 24 February 2010 at 05:25 PM.
Old 24 February 2010, 05:35 PM
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JulioJordio2
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Mine is a MY97 Turbo 2000 so no DCCD for me to play with/affect things.

I didnt hit anything in the snow, just had lots of fun! But I've clearly knocked something out, as the inside inch and a half of my tire has just gone!

I just hope it is the Camber, the new tires wont last long, this wear occured in less than 300 miles, and they were fairly new.
Old 24 February 2010, 07:03 PM
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MOTORS S GT
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My Hatch S-GT does it since i put 18in alloys & 225 / 40 tyres on it, never had the problem on the OE 215/55/17's.
Old 25 February 2010, 12:56 PM
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JulioJordio2
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Just an update for OP....

Just had my camber adjusted at Scoobyteknix's, and the "hopping" has gone. Andy did say that its common on them?
Old 25 February 2010, 12:58 PM
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vash
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I always put my DCCD in full open when I do any sorta of slow parking or the like... Makes things alot better.
Old 25 February 2010, 01:40 PM
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scooby L
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Cheers all... I'm going to take it to Iain and have the fast road geometry done for starters...

Vash, My DCCD was in "auto" but for some reason (because I'd set the diff to lock/manual in the snow) it remembered the "full lock" even though I was in auto.... missleading I must admit
Old 25 February 2010, 05:09 PM
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Allan
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Had the same thing with F1's on an MX5.
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