umm some one needs to look at a compressor map for a holset they very efficentn turbo's!

topnotchgsx said:

Holset turbo's are essentially Borg Warner turbos. Guess who runs a borg warner turbo. The fastest DSM in the world. Brent Rau! Anymore questions?

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Two completely different companys but both do make good turbo's.

1gnasty said:

if they are o great why i hear so manny storys about them going bad so quick and there is no pro using them in their cars?

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BTW, post all the failures you've seen! These turbos are tough, flexable, AND high flowing. I've seen worse than a 'dsm' beat better than a 'dsm'. And go for 80K.

How do you define efficiency? Think before you type please. . . be prepared.

Ok, stop all that chitter chatter... I just got my car running again...
I know i have a BIG housing but damn... top end is AMAZING! I start building boost at 3900. Thats on a 2.0 without any major modification. (this is until i trow in the built 6 bolt).
I have to say i didnt think i was going to start spooling this 22 cm housing till 6k +.
Yes, it is a little laggy but i know something that will solve that problem.
I believe im going to go a setup like this when i get the 6 bolt in.

http://www.speedshopthagard.com/projects/280Z_Turbo/index.html

For all those people running huge t4 divided turbine housings with divided manifolds this will make you jelous!

That's a tasty treat ! Keep us posted. . .

I REALLY dont understand how that works. Would someone please inform me before my head explodes from sleep deprevation and trying to figure this out. (both not related. )

What is it you understand?

topnotchgsx said:

I REALLY dont understand how that works. Would someone please inform me before my head explodes from sleep deprevation and trying to figure this out. (both not related. )

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It blocks off one half of the volute effectively halving the a/r or cm^2 of the hotside. Makes it spool faster, then opens as boost comes up to prevent loss of topend power. I'm guessing that is what you are asking.

anyone know where i might be able to find a turbine housing for the turbo with a smaller A/R?
Its at 22cm^2. Im looking for anything below a 18cm^2 thats t4 divided.

Gst18 said:

anyone know where i might be able to find a turbine housing for the turbo with a smaller A/R?
Its at 22cm^2. Im looking for anything below a 18cm^2 thats t4 divided.

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If your using an hx-35 look into an hy-35 hot side, I beleive they're a 9cm housing.

I have a BRAND NEW TH that came with the hx35. The only thing is I don't know the size of it...

Mike1992 said:

If your using an hx-35 look into an hy-35 hot side, I beleive they're a 9cm housing.

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He is running an H1E.

If I remember correctly the HX35 and HY35 the hotsides can't be swapped. At least without extensive machine work. The HY attatches with a V band, where the HX series uses bolts. If someone could figure out how to swap it would open up a lot of options for us.