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Garrett To Release New "gtxr" Turbos At Sema .

discopotato03

By discopotato03,
in Engines & Forced Induction

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discopotato03 Grand Master

discopotato03

Posted
Posted (edited)

From Garrett Gearheads I hear Garrett is releasing a new series of compressor wheel or turbo called GTX-R . The spiel is that these compressors will be able to pump 10% more air and handle 10% higher pressure ratios (boost) . A couple of people think that it's big G's answer to extended tip technology .

The only pic I could find loks like this . Note 11 blades and all full height , no splitter or "half" height ones .

Cheers A .

Um also Garrett claim they have fixed the swing valves twin integral gate system on their Evo 10 twin scroll GT3076R's turbine housings .

post-9594-1257311152_thumb.jpg

Edited by discopotato03
discopotato03 Grand Master

discopotato03

Posted
  • Author
Posted

Actually that 10% more I forgot to add means 10% more than the same sized GT compressor wheel . I think someone mentioned that they are a wheel machined from a forged billet of aluminium which is the economic way to get them into production . If possible they may cast them later .

Versions mentioned (nothing concrete) may be a GTX4088R , GTX4094R and I think a GTX42R and GTX45R .

Cheers A .

some_cs_student Veteran

some_cs_student

Posted
Posted

Interesting, not quite sure which models those turbo's will apply to above :)

It would be great if they bought out some new GTR turbos before I get around to buying them (which is going to take forever, lol)

shanef Grand Master

shanef

Posted
Posted

This is excellent to see!

Now we here in australia will be able to get our hands on this technology that the yanks have had for quite some time!

Go's to show that borg warner, precision etc knew what they were doing :)

Cjmartz2k Proficient

Cjmartz2k

Posted
Posted

Glad to hear it! That should put garrett into the lead performance wise for a while. I wonder if they will charge a bunch more for these, or lower the prices of what they already sell and price these similar to what's out there now.

CEF11E Veteran

CEF11E

Posted
Posted

you can see the machining marks in the wheel. wow! billet wheel is pretty cool. the tips are on quite and angle. they look like the hx35 compressor wheels any specs on weight?

bradsm87 Proficient

bradsm87

Posted
Posted (edited)

SEMA has come and gone. No new info on the net.

I've got a mate who's very keen to replace his twin -5's on a JUN 2.7 RB26 with something a bit bigger. I'm thinkin a GTX4088R twin scroll 1.06 would do the trick.

Finally there will be no denying that Garrett has a T04Z KILLER!!!

Anyone got compressor maps of the GTX turbos?

Edited by bradsm87
discopotato03 Grand Master

discopotato03

Posted
  • Author
Posted

Personally the only biggie there is how quickly you could get your hands on a std GT4088R , technically speaking it has it all over a T04Z anyway .

The road to getting a 4088R to work is via a really good pulse divided manifold and probably two external gates .

Where they are better off than most GT wheeled turbos is that the trim sizes have come down and that helps them to be responsive things in their size range . If they did the same thing with a GT4294R it would be more responsive and closer to what a T51R BB can do . Lets face it the T51R still uses ancient water pump tech turbines but in 76 trim they are more responsive that a better aero tech GT42 turbine in 84 trim . So a GT42 turbine in 78 trim ...

A .

The Dan Grand Master

The Dan

Posted
Posted
This is excellent to see!

Now we here in australia will be able to get our hands on this technology that the yanks have had for quite some time!

Go's to show that borg warner, precision etc knew what they were doing :/

Why? Because they make comp wheels out of billet? There's more to a turbo than the compressor and Garrett have always led the way in making an all round high performing turbo that's RELIABLE.

Borg Warner know what they are doing as well but Garrett as a company were waiting until after the economic fallout before putting this all into production.

I would always pick a Garrett over a BW.

The Dan Grand Master

The Dan

Posted
Posted
Actually that 10% more I forgot to add means 10% more than the same sized GT compressor wheel . I think someone mentioned that they are a wheel machined from a forged billet of aluminium which is the economic way to get them into production . If possible they may cast them later .

Versions mentioned (nothing concrete) may be a GTX4088R , GTX4094R and I think a GTX42R and GTX45R .

Cheers A .

You can bet they will be more than 10% dearer

The Dan Grand Master

The Dan

Posted
Posted
Personally the only biggie there is how quickly you could get your hands on a std GT4088R , technically speaking it has it all over a T04Z anyway .

The road to getting a 4088R to work is via a really good pulse divided manifold and probably two external gates .

Where they are better off than most GT wheeled turbos is that the trim sizes have come down and that helps them to be responsive things in their size range . If they did the same thing with a GT4294R it would be more responsive and closer to what a T51R BB can do . Lets face it the T51R still uses ancient water pump tech turbines but in 76 trim they are more responsive that a better aero tech GT42 turbine in 84 trim . So a GT42 turbine in 78 trim ...

A .

Why would anyone pick a 4088 over a Z when the 3788 has the same comp wheel as a 4088 but smaller turbine?

The 3788 would still be a better choice for response

Marko R1 Grand Master

Marko R1

Posted
Posted
impressive to watch to

that is awesome watching how they sculpture an item from a block of metal - billet process is very impressive & reminds me of OCC (oraneg county choppers) when they make their billet wheels

Lithium Grand Master

Lithium

Posted
Posted (edited)

Looks good so far:

GTX4294RCOMPRESSORMAP.gif

GTX4294RCOMPRESSORMAP2.gif

GTX4508ROVERLAP.gif

I compared the GTX4294R with a GT4202R compressor map - the 94R has more everywhere, awesome!! Here's hoping they spool like the GT4294Rs.... that could change things quite a bit.

Edited by Lithium
Wheezy Mentor

Wheezy

Posted
Posted

Thats an impressive looking map, garrett answering some of their competition perhaps. Some real world examples will tell the story. Hopefully sooner rather than later.

Is there any news on smaller frame variants taking advantage of this setup? Or are we talking cost out weighing the advantages?

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