SkyHi_33

Now THAT is an idea... Yeah but some of us have been saying we were gonna join the club years ago and are too f**ken lazy to send fk all money over for a whole lotta shit.

haha dinner would be a good excuse to catch up, i havent been active on the forums or around events in ages due to work commitments but i do browse through it almost daily... everything gone so quiet in the last year or so!!

Honestly, What the hell happened to SAU?? Used to be interesting stuff posted in the SA forum every day... now its all about how someones car got stolen n people ganging up on em for insurance/alarm or stuff that should be in other sections posted here... and the same old threads dragging on. Getting too old people, doesn't anyone have anything new to talk about!!!

Do you want a setup to fit your wheels and look good or do you want it to handle?

Got these to clear R33 s1 AFM - $50 q45 AFM - $100 R33 s2 plastic skirts, need a bit of repair on side mounts (crack) and tlc - $40 r33 a/c condenser core - $50 r33 std. sway bars front and rear - 6 pack Super Drys or $10 ea

Bosch 044 and bracket acquired, thanks a bunch to frankyp11 absolute champ!

Exactly what im looking at if nothing comes up by Friday, was going to put a baffle in a standard tank to stop it from splashing around otherwise tho. Ill give outlaws a call tomorrow, cheers for that. The one im looking at is on the net $100 for 2L tank

Just to clarify on the fuel pump bit, as I just found out, ill be needing a minimum of a bosch 044 or equivalent and at least 2L capacity surge tank if anyone has anything let me know asap otherwise ill have to ditch more cash at the hunk and go buy new stuff this week

Yes, a completely flat under tray = high pressure buildup in engine bay = no air flow through radiator/coolers etc. unless you got a form of extracting the air. So a front splitter with a reasonably open space towards the back of the engine bay is a far better idea then a completely sealed under tray. Even if it was completely sealed a simple vented bonnet wouldn't do much, it needs a directional airflow to function properly and on top of that, if it was a directional airflow it also has to be vented at a certain angle to keep the airflow from the bonnet on to the windshield undisturbed (otherwise creating drag) What I had planned was an extended splitter with vents towards the back and a reasonable ammount of gap to the end of the engine bay, from there on it would be mostly sealed however im still not sure if sealing the driveshaft/exhaust tunnel is a good idea or not due to temp build up from the exhaust. Its something im still working on.

Haha yeah i know exactly what you mean... im undergoing the same process, changing suspension setup, playing with guard clearances and its all in primer and part bare metal so basically same deal, want it all together before a spray!

Oh wow, great stuff there! I like your splitter design. Is there any specific reason for the dimensions/shape at the front? Have you tested the splitter and did it generate any difference at the driver end?

Autospeed website is the one ive been reading through for most of the information however a lot of their articles focus on fuel consumption and road cars rather then the conventional racing principles. While it is very useful and gives a lot of ideas and concepts its not really very applicable to my needs but its definitely worth a read.

Thanks for the link btw, interesting design on that wing!

Well from what I have gathered: a) Front splitter Flat, open design towards the back to still ventilate some of the pressure built up in the engine bay from air going in through bumper/grille. Sealing the whole front of the car without having air venting out of the engine bay creates a high pressure zone which stops the air circulating through radiator/intercooler etc therefore resulting in high temp buildup. Also incorporating a "lip" so to speak in front of the wheels diverting air away from tyres and towards the centre of the car helps with more airflow thus creating a better low pressure zone under the car b) Sealed under body as flat as possible seems to be the go, although I have seen raised sections through the middle which apparently help dissipate the air more effectively through the rear diffuser which creates a higher disruption at the diffuser end = less drag, more downforce c) Rear diffuser a LOT of different designs ranging from smooth to rough, fins, planes etc etc.. all seem to focus on smoothing the transition between fast moving air from low pressure zone underneath to slow moving air above the car, again creating less drag and more downforce. Seems the smoother the underbody the more ridiculous the diffusers get. d) Wings again, a lot of different designs but main points Ive picked up from this is you can never have a big enough wing (within reason, and regularities) but it has to be mounted right with supports extending through to the chassis. The good old vtec bolt on job just doesn't cut it. That, in a nutshell, is some of what Ive taken in as a focus on this little project of mine. Suggestions, improvements, theories etc. are most welcome

And no I will not put this thread in cosmetic/styling section as too many people there are too afraid to spill a bit of sauce off their felafel/yiros/kebab on their hektik chromies. Nor would most of them know a bees dick about aero other then a killa spoiler bro! So, now that that is out of the way, aerodynamics aid a car in handling, acceleration, braking and aid grip also hence why its in this section and where I hope to find my answers. Basically, building a 33 gts-t for a variety of motorsport uses (yes I do realize its not the best base) with major ones being time attack, hill climbs and possibly a bit of sideways action (nothing wrong with getting a bit shaky?). So whats the best way to improve on aerodynamics? Ive had a few ideas in my head and have started playing around with scale models. Plan of action for now is: a) Front splitter b) Sealed under body c) Rear diffuser d) Wing My main concerns here are: What designs work well What materials work well (besides the obvious $$$ carbon, kevlar etc) How much is this really going to aid me overall? im talking the big picture here... sure race cars use it but how efficient can all these things really be in a lets say tight technical hill climb with short straights? And lastly, Has anyone had a tinker with these things before that can guide me in the right direction?

In need of: Surge tank external fuel pump fittings or all above as a kit side feed intake manifold for rb25 s1 that would be it for now

r33 s2 side skirts, in primer, couple small fixable cracks - $50 rb25 s1 afm - $50 r33 s1 indicators - $20 no globes r33 swaybars front + rear $10ea located in marion area pm or sms/call 0422 314 938

Whats the tank/shelf life of e85 on tap like? As in how long before it starts going off?

keen. how hard is it to enter clubsprint class as a privateer? ive been playing around with aerodynamics in scale... the 33's getting a full sealed underbody but seeing the track i dont think it will have enough power still :S

WTAC went off! Best weekend Ive been away and made me realize how much i regret leaving Sydney behind... good friends, good times, good memories. Spent days glaring at cars/girls and wandering around the track/pits, spent the nights drinking up in a heated outdoor pool in the CBD and living up the Sydney night life. Next year... Bring it on!!! Theres already talk of permit runs across border Well done to all involved in organizing, attending, competing and making the event possible!!!

Burned out nostrils with watery eyes and a ball in your throat... looking like you've just taken your daily dose of heavy medication after years of cocaine abuse. Now that's cruising Hindley with a difference!

E85... pfft, dont even bother. stuffs shit.

just over a week to go!!! picking up chaser in melbourne this weekend, then wtac trip on thursday... epic few days to come!

trust dave to deliver on that one.

exhaust sold