John McM

$12,000 on a gearbox!!!!!

Macca

You could buy a new factory replacement for that (core swap)....

Ridgeline911

It did come from nelson, Gold underneath. As you say, a very cool 80's colour. It will over time, become tidier, and at the hotrod end of a roadie. I've got it registered and on the road already.
For timing i'm using Harry's Laptimer with a 10hz GPS XGPS160 to get much higher accuracy out of it. i get some interesting data. interested in something like the Aim or Traqmate but have a mac, and the software is very windows centric.

that was the format of the day, although at the end it got quiet so just had a free for all. The Z221s don't come in my diminutive size. the Z214s do, i might have to find out a bit more about them. I think that the next time out will be more about consistency than further time progression.

I had my Co-driver for Targa in the car for the first half of the day, and then had Jason Liefting, driving instructor for the second half. Main goal was to get some seat time, and make sure i wasn't doing anything odd. Still have very little idea about what to expect in the Targa. I suspect the support crew will just want to drink beer.

O2GO

He may mean he spent $12,000 after going in to have the gearbox sorted, eg other "while you're in there" stuff. Steve will know the car.

shiraz

hi everyone, had 993 (95) since start of summer, drove last nite for first time in dark ( & raining). Headlites are truly crap - am sure dipped lites on 928gts (prev P.car - good for about 180 on autobahn on lo , yes eyes were mid 30s, now late 40s) were better than 993 hi-beam. Lo=woeful. Peripheral vision lousy. Spent some time searching R.L. & P.H. what do those of you with 993 recommend? Have looked at Carnewal & Tore B prods for Hid kits, still need answer for hi-beam. Paul, have you done anything/ interested in group purchase to cut freight?
cheers - david

kiwi 911

I have a Tore B kit here to install, but not done so yet. I actually didn't really have an issue with the 993 lights on SITT?
.

Spokes

Check the main RL993 board. I did the Tore kit, highly recommend, and upgraded the high beam to match.

shiraz

Hi Spokes, so you now have "bi zenon"?, lo & hi beam? 2 hid kits per light assembly? Been searching main 993 thread - seems to be an issue with dipping/flashing with regard to ignition delay or have I misunderstood.
Cheers

gt38088

can confirm that 100kg extra weight for me makes a huge difference - even a 70kg passenger will be more than 1 second I reckon. On SITT I didn't use second gear on any track all week. Just tried to be smooth and drive out of the tight stuff in 3rd. There were a couple of corners where 2nd would have been quicker but given car was doing double duty we just kept it easy and reliable.

re tyre pressure/heat management I assume you boys using nitrogen? the reduced pressure range makes it a bit easier to optimize

Macca

Graeme. None that I know of using No2. Issue being that after a few track days of letting air out and pumping back up again at the gas station on way home the tyre consents are fairly contaminated and any advantage has been compromised...

JenSP

ToreB kit highly recommended (also check 911uk.com 993 forum) - excellent service & instructions - about an hour for DIY fit (need to slightly file out bulb housing and take care with clips) - its's just low beam but a huge improvement. The standard hi-beam is ok for my purposes.

cheers

JenSP

Great to see you all had a great SI tour plus track action - very envious ! Have done 3,000 holiday km on those roads in the last couple of years and it brought back great memories ...

John McM

Doug and I counted 16 driving days. Just finished editing video up to and including Day 7. Next up are the big days from Nelson to Teretonga. It will likely take two evenings for each day as there is so much great footage. We were truly blessed with the weather and the range of activities.

gt38088

re N02 need a small high pressure tank and an account at BOC. We borrow one for every targa - a permanent sponsor. Has enough in it to fill 3 tyres from completely flat so plenty for just a few llb's adjustment

I find that the pressure range cold to hot is reduced by about 3 psi so that the tyres are in the sweet spot for longer and you don't have to worry about reducing pressure on longer stages since stages can range from 12km to 52km

996tnz

Thanks for sharing.

Looked into this last year.

TLDR version: totally dry air and nitrogen will work the same for us.

Long version:

Have taken a (free with new tyres) nitrogen fill to the track, but as Macca says, you're letting out over a third of it during the day to equalize pressures, then typically replacing with air afterwards so any benefit reduces over time.

Pure nitrogen doesn't have the smaller molecules mixed in that air (about 70% nitrogen) does. For commuter vehicles, this means tyres lose a bit less pressure over the months between fills. There is also an argument that the lack of oxygen in N2 helps save the interior sidewalls from oxidation. Makes sense for a vintage garage queen but for tyres stuck under a working Porsche that is the least of their worries. We normally check and adjust our pressures fairly often anyway so the only real benefit is that pure nitrogen is dry, whereas air contains varying amounts of atmospheric humidity.

Nitrogen's dryness is good for track tyres as I understand that as the tyres heat up, the vapour pressure of any contained moisture goes up faster than the pure gas pressure would (basically an increasing percentage expands to steam).

A nitrogen fill and a >totally dry< air fill will have the same pressure progression as they heat up, with both just following Boyle's law. Thought about making an attachment with a drier canister for filling but have other things to do.

They do nitrogen fills at a place less than 50m from my work for something like $10 a pop but after researching the stuff last year, I just try to fill with air on drier days where possible. Cold dry days are best since warm air can carry much more water. I still grab a free N2 fill when its going since you get a track day with full N2, one with about 2/3 N2, then one with almost half N2 (still half the moisture) out of it.

Race teams, often with their own N2 tank, would normally use it of course. Somewhere I came across a comment too that in case of fire, you're better to have tyres burst inert nitrogen onto the fire than pressurized air (like blowing onto a fire) which makes sense, but what are odds of that making the critical difference?