For some reason the fan on temp was set at 92 in the computer, I might have either forgotten to adjust it or I thought it was an 88 degree thermostat which it's not, I've lowered it to 85 and went for a big cruise with James to go look at a Z31 parts car and it sat pretty much on half way on the gauge the whole time, the fans were running most of the time I think, might tweak it up just a little bit. James has lent me an inverter that goes into the cigarette lighter so I can run the laptop on long drives for logging.
Heat wrapping the down pipe is going to be a pain as it's one piece basically to the diff now, I've ordered a v band and will put that in front of the flexi.
Had a look at making an air box and asked for some opinions from the 280ZX drivers Facebook page, most of them were recommending to put the filter out through the inner guard to behind the front kit, I think for the moment I'm still just going to run an airbox and if that doesn't work better I'll get more drastic. I'm going to have to cut holes in the inner guard to let some air through as where the factory pipe went to the stock airbox is totally filled with intercooler piping. I might make a 4.5" hole in the guard and then make up a piece to go in it with smaller holes, that way if I decide to actually put the filter out through the guard it'll be easier.