zebra

There is more length in the front pipes, and more again in the catback also the gasses lose inertial the further down the system they go, so the friction on the pipe walls start to have more of an effect. Also as a little bit info info, The only friction in an exhaust pipe is within 3mm of the pipe walls, so effectivly the radius of the pipe - 3mm, and there is no friction on the exhaust gas outside 3mm of the wall So thats what im getting at re: the turbine outlet compared to the dump pipe, Also works for exhaust manifolds, if you want no restriction then have your primary pipes 6mm in diamiter larger than your exhasut ports (obviously less applicable if you throw a turbo in the mix)

Wouldnt it go the otherway? being that there is only 15% Gasoline so would show something like 18:1? or am i thinking about it wrong

Which TechEdge unit do you have? I have the 2J1...

Gizzmo knock Box And Link do one aswel

Also looks very boring (as in to drive on), might make a good bike track, but thats it

Its only a 2bar sensor so It would be running past its limits...but thats nof different to tuning past an AFM limit There are some faily good steel wheel CT26 turbos getting around that would go near your goals if you dont end up going the 2871

Jez - there is a thread for in the General Maintinance Section...about 10 pages of blown up stuff

Map Sensor is good for 14psi and thats it...people fit 2JZ 3 bar sensors but it throws the tune (dont listen to anything you see on Soarer forums, they also stick 2J 440cc injectors into the 1J using a stock ecu...then wonder why they only get 200ks to a tank lol) I honestly think you should give the stock twins a run (at 13-14psi) before you rip them all off, My fat Soarer holds its own running 8psi and standard dump/front pipe A stripped 33 will be a sheet load lighter. and with around 220-230rwkws (not to mention its free because you already have the gear) it should haul ass

I thought you sold your car. Or have you finished the new one

Scott 350 at the bags is better than stock response imo. My 33 made peak torque at 3000 rpm with a high flow and around 220kw but it felt slow. Felt nice on the track but that's all it had. Felt nice but was slow. Made a nice street car but still how many times are you at WOT on the street. I guess it does depend on what you want to do. Me these days would rather have to have a few more rom on board and be pinned in the over driving the whole time in 4th gear This post makes Bo sense but I'm on my phone so cbf

Yeah they might have ran 21 deg of timing....but the injector pulse width would be way higher etc.

Sounds like compressor surge Do you have the Standard BOV or and aftermarket jobbie? Ps I hate the word BOV....please dont make me say it again lol

Lol thats more like it

It probably will run it...but will be WAAAAAAY out of tune, with an extra 1000cc's

http://www.bmsc.com.au/ For all your rallying needs

Well dirt stuff im no real expert on but Ill help where I can You will need a Full CAMS approved roll cage (99% of the time makes the car un roadworthy) Cams/FIA approved fixed back seat x2 (for the navigator aswel) Harnesses and Intercom system (like a Terratrip) http://www.terratrip.com/home.htm Then depending on what Series you run in, you will have to meet any rules/regs/restrictions that they require. See here for licencing info - http://www.cams.com.au/ Also contains all the rules/regs for most motorsport events around Aus. There are a few dirt guys that float around this Forum, Im sure they will be able to help you out more.

What sort of racing do you want to do? Door to Door, Sprints, Hill climbs, Dirt rally, tarmac Rally? All have differing needs/Regs Also where are you located?

Lol well being that the Rb25DET was built to use 100ron jap premium unleaded and 9:1 comp ratio is quite high for a turbo charged engine Eg, 1JZ-GTE is 8.5:1, RB26DETT is 8.5:1 2JZ is 8.5:1 etc Also the RB25DE is 10:1 and that manual is probably fron the USA yeah? where 93 MON is about the equivilant to our 98 RON So i would say time to go read more interwebs

Would have to be big power...they are very short pipes so there is no real time for the gasses to be held back...being that they are exiting the turbine at near supersonic speed (I no make that up) Quick edit - Also, whilst the standard dumps are quite small, they are still larger than the turbine exit, and only have 3 cylinders worth of gas flowing down each one. So whatever size the stock dumps are, 2 1/4" or so, that is quite a large exhaust for a 1.3L motor

L2 sense of humour?

a .223 will have plenty of punch upto around 200m ans still good at 300, where as the .22 you really are limited to 100m or less for any real stopping power .223 is quite common but no idea on the price of stuff, I stopped shooting things when I left the Army.

Always wondered about the advantages of something like that, following the direction of the turbine wheel/exhaust gas rotation. The further this build goes the more impressed I am with the thought going into it.

I just shot bloody hot coffee out my nose you jerk.

It will be fast in a straight line, sound good, but will still be slower round a track compared to the Cheaper Gallardo Super Alphabet

Why stop at 300rwkws...Simon has shown that on a stock 25 they can do 360 on DD rollers (on E42) , would like to see results with a ported head and cams