Okay... I know everything there is to know about hondas. The thing is that i recently acquired a 93 FD and I would like some advice from a professional, because im dumb when it comes to rotaries, since they are completley different. Im not afraid to ask for help, nor am I afraid to take a little constructive criticizm, so please... give it to me straight...

I am currently running about 1.125 BAR, which is about 16 PSI. I do not know what my current setup can handle, and I dont want to blow my engine. Please read the mods below and give me your honest opinion on what my plan should be. How much boost should I run? Give me any advice you can. thanks.

4000 Miles on rebuilt engine
New GReddy T04 Ball Bearing Single Turbo conversion
New GReddy EVO 3 1/2" catback
New SST High Flow Cat
GReddy VMount Intercooler
GReddy Elbow
New 1300cc secondary injector
New Walbro 255LPH Fuel Pump
GReddy PROFEC B Spec II Boost Controller & turbo timer
APEXi Power FC ECU Unit
New Primary Injector
HKS Twin power ignition

It has basically a new motor, everything was rebuilt 4000 miles ago.

Let me know... thanks.

 

Rather than prescribe for you what boost to run, I suggest you find out what the duty cycle peaks it in your fuel map, and use a wideband to see what your AFRs are at. That will tell you what your ceiling is based on your current tune and based on your fuel system capability. Keep in mind rotaries are tuned relatively rich up top and that it's best to push the injectors to no more than 80% if you don't have to.

Although I don't see your intercooling being a weak point, it's always wise to check where the intake air temps are peaking at too. A missing baffle or other gotcha can cause that.

Good reading:
http://www.maxcooper.com/rx7/how-to/...tem/index.html
particularly check out his calculation page. Using that, it appears your system has plenty of overhead - right now the tuning and performance of the system is where the battle is won/lost.

Perhaps with some extra info about your fuel pressure, duty cycling, intake air temps, etc the real pros can make more refined suggestions. The single turbo forum here has plenty of informed readers - worth checking that out.

Dave

 

if you dont know get it tuned by someone who does and you should be cool

 

Do you have a pic of the greddy v mount?

 

I smell a little BS here...

*Greddy doesn't sell a V-mount or a T04 kit.
*What's an SST hi-flow cat? Hi-flow cat with a single turbo?

If this is legit with mistaken manufacturers, then IMO, you should not be running more than 15 psi on our 91 octane pump gas.

 

What ecu are you running? Who did the tune? Who did you buy the car from? A forum member?

 

"SST" sometimes stands for stainless steel.

Dave

 

well... what can I say? Its a big effin T04 bb turbo made by GReddy. and whatever the intercooler is it says greddy vmount on the reciept.

 

APEXi Power FC, i bought the car from a friend

 

very useful information, thanks

 

Wich boostsensor u are using? Its alsow importend to know. The stock one wouldnt read boost abow 18 PSI not korrectly. The it reglement ur horspower gain through raising boost.