CCarlisi

Hi Crispy:

No, but both have very aggressive street ports.

-How do you mean? It is a GT35R compressor (same trim ect). It has a 1.00 divided hot side with a T4 flange. The 35R BB has a 1.06 with a T3 undivided flange. The black RX7 I own used to have a ball bearing 35R. I have spent a good amount of time behind the wheel of both cars and didn't notice an appreciable difference in spool up between the two.

Regards,
Crispy[/QUOTE]
Personally, I believe it is well suited for a 2 rotor @15psi. Granted, it has been more than 6 months since I went through the different compressor maps and decided on the 35R, but at the time I thought the map was ideal at a 2.00-2.2 pressure ratio.

Best,

Chris C.

FD Rey

Chris, the last time you got it dyno tuned what powerd did you get out of it?

CrispyRX7

iTrader: (139)

Ah yes... gotcha

Isn't one a BB and the other not? That was my understanding of the "R" note Housings being equal they ar eboth GT35's no doubt.
I am far from a turbo expert so pelase correct em if I'm wrong.
As for spool time you are most likely correct. On a bench test could indicate
a difference. Set O' da pants I doubt one would notice. From an engineering perspective however the BB will provide less rotational resistance depending on oil viscosity.


No doubt it does very will at 15psi but may do better at 17.

I'll plead ignorance as I am still learning the performance of the GT35R having recently just installed one on my car. And I chose the 35R for it's performance and responsiveness at around 15psi

Regards,
Crispy

CCarlisi

313 @ 13psi with a stock twins, stock main cat and stock ignition. I believe it made 315 @ 14.1psi on the same dyno/day.

BoOsTin FD

This question may have been answered before, but can you run Bnr Stage 3 Sequentially and have similar power? I mean other then the transition problem, will it still make power similar to Non-Seq?

CCarlisi

The GT35R and GT35 have different compressors -with the R being larger. My turbo is basically a T04s with a GT35R compressor. I was told they can be purchased from the factory this way, but you have to ask . . .

I think you made a great choice. If I had it to do again I'd probably buy the same thing.

FDNewbie

iTrader: (10)

Same? As a full-nonsequential? No. But very similar. I believe the #s expected were 425rw for non-seq, and 400rw for sequential. I'm sure Rich will correct me of I'm off.

GoodfellaFD3S

iTrader: (213)

sounds about right .

DCrosby

I spoke to AEM a couple of days ago, and it looks like AEM is conceding that the rotary application is flawed, and they told me to hold onto mine until they can get the engineer to re-design it and put the new design into production, I will undoubtedly do no such thing, and try to get my $$$ back...

impactwrench

When you figure out how to get your money back, please PM the rest of us. AEM scrap value=0

passivemike

i got my new stage 3's from brian at bnr about two months ago and i am pulling a mere 10 psi and they feel pretty nice. Even in this hot humid FL weather responce time is great. Props to brian for giving the fd a real option oppossed to single with equal performence.

rynberg

Seq or non?

tcb100

DCrosby are you talking about the AEM ignition amp or the AEM ecu? I know you have been having problems with the computer too. The AEM computer is on the top of my list right now as a replacement for my PFS unit.

In the next few months I am either buying the Stage 3 sequential or the GT35R so this comparo is useful information.