Greece=no rotary engine tuners :banghead:
Doesn't matter how much money you have, if they don't know what they're doing, the results won't be good. The only reliable choice we have is to pay a tuner to come here. :(

I was looking to visit some of my friends in Glyfada next year...

(Quote) "W E L L, come on down if the price is right" !!!!! But if would be better if you know how to tune Older style Haltechs(E6k) and Power FC's. How about coming sooner-like now... A lot of friends(people[Greek Americans]) say that they will come but never do!!! Demet Karaigannis you reading this? Still waiting bro! :rant:

how much will it cost?

If you have to ask .....

After long day of installation and a long night of tuning by our tuner Nelson Siviero, our Street RWD RX-8 turned out 290 HP at 7400 rpm at 14psi.

More impressive, however, were the midrange numbers - above 249 HP from 5600 to 8800, and 229 ft lbs of torque at 5600. It will be a very drivable package.

After this weekend’s Redine Time Attack at Infineon Raceway, we will get back on the dyno and find some more power with a different throttle body, different muffler setup, and a different Turbonetics turbo. At this point, it is tuned safely and ready to hit the track.

Depends entirely on the setup and options you choose. Best thing to do is give us a call.

sure you didn't mean to say 390 ?

i would sure hope he did. otherwise its your average non-greddy turbo build

Unless its like a 50 trim to4E or something....

Well, since he followed with:
VI imagine he did mean 290.
Now, whether he meant something less than 14 PSI might be in question...

yeah I did catch that as well . Hard to believe that is all he got with 14psi of boost . Something very screwy going on .

uh oh...:dunno:

14 psig at that amount of overlap no less

See my previous post .... :eyetwitch

Why don't you just spell it out Team ?

overlap + renesis = no bueno ? :dunno:

Go blow it out your oversize exhaust port :p:

HA!
Does sound like it could use some troubleshooting?
Midrange power/TQ sounds ok--buttttttt?????
That power level and that cars weight will not win a Time attack, at least the ones I know off?
Dont give up guys-- appreciate yall's honesty in reporting the numbers.
OD

290 RWHP; Mustang dyno?

To give some feedback on the current horsepower level and where things are at:

As this was the first time we have run this engine setup, and it was completed very late in the week for this past weekend's Redline Time Attack at Infineon Raceway, we opted to make things very safe for this first time out. With the high-compression Renesis rotors, we started at only 14psi and 11 degrees of timing and have plenty of room for improvement. We also know there are some limitations in the system, but, as our tuner put it during the dyno session, "its safe and will run forever like this. Go drive it."

Another thing to note is that we dyno'd the car with an exhaust system that we know is a limiting factor. This partially done so that we could establish a baseline, and also because we had a sound restriction at Infineon (Kyle's FC, with its open exhaust on a turbocharged 13B, was black-flagged for sound) and we opted to err on the quiet side. By the way, the car was dyno'd on a Dynojet.

The car ran trouble-free all weekend at the Redline event at Infineon, and Dave reported that it was stronger throughout the powerband than the previous supercharged setup. Unfortunately for us, it rained non-stop at Infineon and our Nitto NT-05 tires, while great in the dry, are not ideally suited for rain action. We did have one dry practice session to stretch the car's legs and it was really quick, so we'll see what we can do with a bit more power at the season finale at Fontana in three weeks.

We'll keep everyone posted as we continue to develop the car between now and Fontana.

What turbo are you using?

Maybe there is a big difference in power between high and low compression rotors? You get more volume with rx7 rotors, esp t2 ones. 11 degrees advance isn't causing a HUGE power loss.

11° is actually quite a bit of timing, especially at that much airflow.

and the assumption game is afoot ....

very safe tune and a smart move.
Stay tuned folks--no pun intended.
It would be great to have that 290 available at 6K:)
What are yall hooked to? S1 box and standard gearing?
OD

So would they since it didn't occur until 7400 rpm .... :hahano:

Just making some assumptions here for Team .

14psi at 5600 on a typical renesis is over 300whp .
You made 249 so must have lost over 50hp through air bypassing the combustion chamber :dunno:

A pressure measurement is just a reference point. It doesn't mean much by itself.

When comparing like with like it definately means something .
This being apples and oranges means a whole lot less - but does raise some very interesting questions about what is going on .

For instance : does this setup have more overlap thap previous PP rotaries ?

True, but it is not "by itself" in this context.
We know the turbo, we have some basic info about the engine, we know the power output and we know the manifold pressure.
We can deduce a bit about total throughput, though we don't have the actual flow numbers or the resultant lambda.

We don't know enough to deduce the overall efficiency short of guessing, which was my only intended point ...

please don't make me school you WRT the relativity of dyno comparisons :nono:

Well, no - we actually do. That was my point.

save the bs for the fanboi society meeting :)

lol

They gave us the turbo (Turbonetics T4), the relative manifold pressure (14 PSI) and the specific power output (290 HP).
You can even nail down which of the turbo trims are possible from that information and the approximate airflow.

From what they have told us I would imagine the airflow will be significantly higher than a Renesis producing the same power . Maybe around 400g/s ...ish .

I love the rotor :worship:

Back on the dyno last night with some changes in the setup. We switched from a Racing Beat race/sport exhaust to a racing beat straight through muffler (FYI we have to run a cat per the Redline Time Attack rules) and installed an aluminum intake with a larger throttle body.

New peak numbers are at 361 HP with 257 ft.lbs, at 14 pounds of boost and 14 degrees of timing. We might have gone for more but are now at the limit of our fuel pump and injectors, so we will have to upgrade those before going for bigger numbers.

The car will be on track this weekend at the Redline Time Attack finale at Auto Club Speedway in Fontana.

Nice. Hope you get some good times

Now we're talkin'!

that's a huge improvement over the last dyno although torque seems a little low still - what was done ?

The bigger turbo is gonna swap some torque for hp.

the overlap may be responsible for some of that as well perhaps ?

Dunno. In positive pressure, the overlap shouldn't be much consequence, especially with that much flow available.

huge douche question, but what happened to the procharger?


wondering.

btw, please make something for sale.

beers :beer:

Uh, they dumped it and when with a turbo.

I think the reasoning in that is pretty obvious at this point.

very intriguing ..... I am vehemently tuned in ... pun intended

Seems to be coming along well...

Which CAT is this? Inquiring minds want to know.

^+1

Congrats on the new numbers. If you take some video at this weekend's event, please post!!!

HJS GT-1407 would be an optimal choice

https://www.rx8club.com/attachment.p...0&d=1289268575

/\ the cat king has spoken