WorkS2R

I called XS regarding the availability of a BB cartridge option for a T04S, and they said it wasn't a true BB like the IHI.. I was under the impression however, that the GT2835 (HKS) is really a T03/04 Garrett with a BB cartridge, and that *is* a true BB last I checked.

Anyone know the info about this? crispeed? rice? anyone?

TIA,
M

4SFED

The new GT series turbos are totally different to the older style T04 series and as far as i know not interchangable with any T04 bits and pieces, so you cant just wack a BB cartridge in an olschool T04...

The new GT wheels are a tack better than the older ones anyway, so just go with a complete GT... like a GT35 or GT40. My mate has a GT35 and he is making 300WK at the wheels on about 15psi....

Jedon

Is anyone making affordable kits for the GT series? Specifically for 13B-REW's? And 200WK = 300KW? Which is how many RWHP?

a777

Jedon,

Don't know about kits, a GT40BB (600hp version) is around the US$1400+shipping+tax. You could always just make an exhaust manifold, and an exhaust and then just do the usual injectors/ecu/pump/etc.

300rwkw=400rwhp or so

4SFED is talking dyno dynamics rwhp though (Dangerous on US forums 4SFED!)

so 400rwhp (dyno dynamics) = 460rwhp (dynojet)

The HKS GT2835 is an expensive version of the Garrett GT series and no you can't interchange the cartridges from what I have heard, not that you'd want to, the GT series use a superior design with the wheels.

crispeed

What's the deal with the Dyno Dynamics dyno vs. the Dynojet?
Have anyone really tested their car on both and recorded the difference?
What about an engine dyno vs. Dyno Dynamics?
Here in the USA. the Mustang Dyno do give much lower HP readings than the Dynojet!
Also from what I've seen on NA rotary motors that were dynoed on an Engine dyno,the lost at the wheels on the Dynojet is generally in the 15 to 20% area.

crispeed
87TII
9.20@150mph

AJC13B

Yeah some testing was done at a car show a few years back.

The Dyno Dynamics made 17% less that the Dynojet at the wheels.

WorkS2R

So... what you're saying is I should just buy a Garrett GT turbo from Garrett?

-M

dclin

iTrader: (4)

Anybody have detailed specs, etc on teh GT series? Garrett's website sucks....

4SFED

Yeah, sorry, i am in Oz and we use Dyno Dynamics so i am just used to talking about those numbers... oops!!

A Garrett GT series is around the AUS $2000 mark so i guess that $1400 US is not too far off the mark. They are very common over hear and a very very nice turbo with great spool and awesome top end (provided you size them right of course)... something around a GT35 or GT40 would be spot on.

felixblack1

i've heard that the ball bearing option for a rotory isn't such a good idea as the oil in rotories are hotter and therefore... i don't know, does something

a777

G'day Crispeed!

I think the best way is to compare cars that are released in both countries (with the same flywheel power) and see what they commonly dyno. NA cars are probably more "accurate" due to less variation. If you read www.autospeed.com you will note that almost all cars are dynoed with a Dyno Dynamics dyno.

The Dyno Dynamics dyno is an eddy-current dyno it is not an inertia dyno (like the dynojet). Consequently it is easier to hold the car at one rpm and tune with different loads on the engine from there. eg. hold 5000rpm, get correct afr for 0psi 5psi 10psi 15psi then move onto 5500rpm and repeat etc.

As a general example S2000 (236hp engine) usually dynos at 150-160rwhp in Australia (33 % loss or so) whereas US S2000 are closer to the 200rwhp mark.
See
http://www.autospeed.com/A_0911/P_2/article.html
For engine dyno (honda) and workshop (dyno dynamics) sheets.

I've seen a 1990 13B Turbo (stock) engine dyno at 220hp and then produce 162rwhp on dyno dynamics (27% loss) and a few SR20DE and DET engines do similar, as well as lots of V8 engines with losses around that mark.

Hope this helps answer your questions Crispeed!

As far as I know there are no issues with oil temps and GTBB Turbos (something on topic!)

Work2SR, yes that's what I'm saying! I know some time ago that they weren't available in the US but if you want one you should be able to get one from Australia. My supplier has shipped/sold a few to guys in the US. No dramas

DCLIN: Detailed specs? What do you need? A/Rs? trims? HP flow capabilities? actual size? or do you want compressor flow maps (almost impossible to find)?