ralphmusic The car was first measured with 100% fuel and 90kg driver weight and on that basis the 'as delivered' alignment was: front camber -1:25 and -1:32 (degrees:minutes) with 0:05 and 0:08 toe. Rear camber -1:18 and -1:17 and toe 0:13 and 0:12, so pretty square. ARB factory settings were middle of three, front and rear.Ride height was reduced by 11mm and 9mm front and rear, respectively and corner weights balanced, now just 1kg cross weight difference. I prefer more camber and we ended up with -2:25 front and -1:50 rear (rear OEM TCA is still the overall constraint on camber) with 0:02 and 0:24 total toe, front and rear, respectively. The rear ARB was adjusted with one side middle and the other stiff, so slightly stiffer rear. My 200 mile journey home was 190 miles of motorway so we'll see how the new settings work up Avon Rise in a couple of weeks.
Brian_InnesDavid, You should be able to dial-in -2.0" negative on your rear axle on the GT4 with minimum rear toe of 0.6" each side giving a total rear toe of -0.12". With the stiff bushing of the GT4 this should not induce any rear wheel steering symptoms under braking or acceleration. This is from my experience anyway. Brian
ralphmusicI had the oil changed earlier this week at 2k miles and prior to next Monday’s Trackday at Castle Combe. Centre price was £380 and Indy actual charge was £293 - both ridiculously high.
Twinfan I still think it's a bit odd that my GTS could get -2:00 on the rear out of the box but the GT4 only 1:30 but there you go!
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