Harey

Anyone know if there is definitely E85 at the Footscray Caltex? Footscray, 62-82 Gordon Street Plan on going there tonight to fill up some jerry cans!

As a comparison what is one of the high flow turbos worth (with the customer providing a std turbo)?

Prob came across a little harsh. So your willing to assume that dynos will get this perfectly right? From the post by 'TheKeeper' above he states that just between 3rd and 4th gears on a mustang dyno is a 4-500rpm difference! I am yet to see this dyno behaviour and I prefer to see all dynos done in 4th gear to minimise the chance of inconsistencies. I also remember having a 'discussion' with some users on here that stated that boost response will be the same in every gear and that load and speed had nothing to do with it. Might not have been you but I think we need to make sure that people new to turbos understand this so they dont choose the wrong turbo. It can be up to 1000rpm+ difference between 1st and 4th. Same as I find it very misleading when some people use correction factors on their dynosheets and dont mention it. Makes it hard for people to do comparisons and make their choice of turbo. The more we can reduce the calculations performed by the dyno the better.

So your saying a turbo will spool the same in 1st gear as 4th gear??? Not a chance.

Could be to do with higher property prices so bigger lease costs for the tuning companies??

+1 for Trent at Status Tuning, nothing but praise, great guy, and quality tunes.

Yes and this can be quickly verified by disconnecting the hose to the actuator (holding wastegate permenantly closed ie max boost) and seeing when it builds boost. Obviously back off before it gets too high. The next step would be an intake leak tester. I just used pvc caps to block off the pipe to the throttle body and used a $20 hand pump to pump air into the system. That way the engine is off so its very easy to hear a leak.

Please see the ATR43SS-1 turbo in post #1501 and page 76. This turbo has fantastic response and makes ~260rwkw on Taos car. This should make at least ~250rwkw on most setups. I was looking for more response and found that this Turbo has been sitting at the Hypergear workshop while the turbos like the ATR43G3 which are larger making more peak power but also more lag are running out the door. So I think it is a fallacy that all these people are chasing responsive turbos making ~250rwkw. It seems most of the people that are actually purchasing turbos are choosing larger turbos. He mentions in that post that he is happy to fit a standard compressor cover if you can provide one etc.

Always a good idea to get the ecu remapped or at least checked when you up the boost. I increased my mid range by 2psi and when I took it in the tuner said it was pinging heavily and that it was good I brought it in. $2-400 to ensure everythings ok is cheap compared to the alternatives if something goes wrong.

If your that excited maybe just read through the thread. The t67 with 10cm rear that Simon is running would be a great turbo for an RB30 although you will make more than 310rwkw pretty easily. Will you be running an aftermarket manifold and external wastegate?

Exactly, you want response and only 600hp and you are choosing a single turbo on an RB26 head??? The only advantage I can see is simplicity of single turbo, easier to work on etc. But singles at the same relative size will have more lag.

Remember Conan is running a built RB25/30, the other guy is running a stock RB25 Neo. I Agree I Agree

I disagree with this, I think a 3.5 exhaust will assist you greatly. Even just the cat and catback system. Here is info from another car: stock 25NEO standard exhaust manifold 3076 .82 rear .6 front cover E85 1000cc injectors running 27psi Power FC Blits Return flow cooler 3" dump pipe, 3.5" cat and 3.5" hks catback exhaust 350rwkw Plus, even on my lowly 270rwkw setup a dyno test without my 3" fujitsubo catback exhaust revealed 10rwkw gain through mid range and up top. So surely a 3" catback is limiting your power.

Hahaha love your work! Im happy to run some big boost too, but damn 98 fuel and this turbo wont allow me anymore! What exhaust do you run?

Yes good point although if the pipe is super hot on the outside some of that heat is passed on the air flowing past.

Great news thanks! Do you run the standard intercooler piping? Is there anywhere I can read up on your mod list?

Great to hear, I believe you have the 0.63 housing as well? I am concerned as my current turbo cant make any more boost so I am worried that will limit the E85 conversion power increase. Great to hear that you have a JJR return flow cooler and an airbox, thats exactly the info I was after! thanks!

I am assuming both of you are not running return flow type intercoolers though where the pipes run side by side, plus my intercooler to throttle is also 2.5".

Yeah I understand, my hot intercooler pipe is currently getting a fitting welded onto it so I can measure the pressure before the intercooler. I also just purchased an infrared thermometer so I can measure the temps at different stages along the piping. More just interested to hear peoples stories of how much power they are making through a return flow intercooler with standard piping.

Yup thats the plan just dont want to find out that the setup is restrictive so I couldnt get the most out of E85. Trent was saying they did an RB30 with a GT35 and 0.63 rear and it only gained 10-20 rwkw with E85, but I attribute that to the stupid 0.63 rear on an RB30!

Hi All, Just looking at next steps and how to push things from my current 279rwkw (hypergear hi flow turbo with return flow intercooler and standard piping). I am wondering what power people have made with a return flow intercooler and standard piping inside the engine bay? Possible areas of restriction are the 2.5" cold pipe and the fact that the cold pipe and hot pipes are right next to each other. Any help much appreciated!

Found it: RB25/30 Series 1 R33 Tomei Poncams 550 top feed injectors Plasmaman plenum 72mm throttle body Forged internals Haltech Sport 2000 ECU Single 044 GT3076R low mount I suppose the only real way to confirm if larger piping would be beneficial is to measure the pressure drop and temperature increase along the different sections of the piping. I agree with the previous post that the hot pipe will be fine, if there are gains it will be the cold pipe going to your 72mm throttle body. I have been looking at 'infrared thermometer guns', wow they look cool. Chuck the car on a dyno and sit there pointing at different parts of the pipework measuring the temp! Another idea I am looking at as well is to ceramic coat the cold pipe, but that will depend on the temp results you get. I was reading about an R32 GTS-T that their during the cold pipe air increased temps by 26 degrees!!

Nice power figure! Is there anywhere I can see your mods? Last time I thought you were around the 300rwkw.

he is probably waiting till he gets some good results before posting anything

I remember now the test was to verify whether the cat was causing a loss in response, so once that was ruled out, Trent abandoned the run. I will get another run done without the cat but it doesnt look like a lot more does it?? I supposed hard to say where it will end up.