Search found 4 matches

by kayjay48
23 May 2024 09:04
Forum: A40s in competition
Topic: Toe-in Specs with Semi-Slick Tyres
Replies: 8
Views: 1368

Re: Toe-in Specs with Semi-Slick Tyres

Thanks. I'm in Auckland, New Zealand. NZ regs don't require the tow hook to be a contrast colour. Just that it's either red, orange or yellow (and the tow position is marked). What are the suspension specs on your car? I'm running AVO adjustable rear shocks with reset lowered stock rear springs and ...
by kayjay48
23 May 2024 07:55
Forum: A40s in competition
Topic: Toe-in Specs with Semi-Slick Tyres
Replies: 8
Views: 1368

Re: Toe-in Specs with Semi-Slick Tyres

Thanks for the suggestion. I put around 60kg in each of the front footwells of the car, and another 40kg on the bonnet, and the toe-in didn't change. It doesn't look like bump steer is the cause of my problem but good to know for peace of mind. I have checked with Motobuild, who supplied the springs...
by kayjay48
22 May 2024 09:20
Forum: A40s in competition
Topic: Toe-in Specs with Semi-Slick Tyres
Replies: 8
Views: 1368

Re: Toe-in Specs with Semi-Slick Tyres

Yes, it is lowered, around 50mm front and rear.
There would be very little deflection of the high rate front springs under normal cruise conditions on a smooth road, so I don't think the problem is due to bump steer.
by kayjay48
21 May 2024 23:56
Forum: A40s in competition
Topic: Toe-in Specs with Semi-Slick Tyres
Replies: 8
Views: 1368

Toe-in Specs with Semi-Slick Tyres

How much toe-in are people using with semi-slick tyres? My car is running 205/60x13" Nankang AR1 tyres. Front springs are 600lb/in from Motobuild and front camber is 1.5 degrees negative. The car handles well round corners but is rather twitchy in a straight line. It currently has 1mm toe-in per sid...