To extrapolate what limbo said I think the rational for this is that you've already purchased a set of cams and are probably building an n/a engine so you may as well get the cam gears and get that...
I've already done a quick search on this topic and didn't find anything
I know the gearbox out of a DC2R will mate to the B16A2 without any problems, is there anythign else needed for a...
Check the heatshield on your Cat.
Take it off, clean out any stones or dirt that may have become lodged in there and put it back on, make sure it's tight.
Don't know about the NT but VicRoads was quite adament about the fact that you didn't need a bottle of n2o in the car for them to fine you alot of money, you only needed the system installed.
sounds sus to me, copper has very good thermal conductivity characteristics. without actually knowing anything about car radiators that sounds like way to much of a temperature difference over a...