The springs I used didn't require retainers, I'm also not reving the engine fast enough and by using the original ones it also meant I knew I wouldn't have to adjust any of the valve clearances
I think the speed cameras are a major part of the issue with accidents, cause everyone drives along nicely at the speed limit and then as soon as they get to the camera, they slam the brakes on and reduce their speed by 10km/h
Running 24psi out of mine and they're loving it in fact going from 22 to 24 gave me an extra 20kw
@DJBarnstar what else have you done to your car to get it up near 370?