Bridgestone have launched their latest tyre, the Turanza GR-100 should be replacement for their older GR-90.
This will be in the mid category for quiet and comfort ride...
I've tried 550cc injectors on RB20det (that means 6 units) with SAFC 1 blue screen, the car can still run, but it's too damn rich on fuel, even if everything is set to -50% and even with fuel regulator installed...