Garrett G30 and G35 Turbos

[PEI330Ci]

It seems that Garrett is doing some press release material for a G30-660 and G30-770 turbo.....but then digging around, I found place-holders for the following:

G30-660
G30-770
G30-900

G35-900
G35-1050

[Hova]

Looks like they are uploading information about some of them already:

https://www.garrettmotion.com/racing...eries-g30-660/

https://www.garrettmotion.com/racing-and-performance/performance-catalog/turbo/g-series-g30-770/

"Understanding the Name:
G30-660
G designates 81 years of Garrett® heritage.
30 classifies the size of the frame. The remaining 3 digits identify the max horsepower rating of the turbocharger. (ie 660)"

So the new G35 should flow up to 1050hp. Jeez.

"Turbine Wheel Aero
The turbine wheel features all new aerodynamics to improve flow and boost response. The new turbine wheel is made of Mar-M, a super alloy that is capable of handling exhaust gas temperatures up to 1050 degrees C.
The new turbine wheel flows 5% more than GTX and has peak efficiency of 74%."

"Compressor Aero
Forged fully-machined compressor wheel and new aerodynamics increase maximum horsepower output and boost response. The CFD (computational fluid dynamics) engineered compressor wheel increases airflow up to 15% for 60mm and 30% for 67mm with 79-80% efficiency. (Compared to GTX GEN II) Compressor wheel features 9 blade count and wider compressor maps for a larger operating area."

[Def]

I haven't seen too many results of the G25 stuff, but most the ones I have seen were kinda disappointing. It seemed to be way too much compressor for the turbine wheel, which is how Garrett typically leans towards their sizing, but it was especially lopsided with that series. Hopefully the G30s are the same, but I'm kinda surprised they didn't up the 60 mm major diameter turbine wheel for the G30s.

[wgknestrick]

It is a tiny GTX28RS sized turbo. What are you expecting from it? It is clearly a 4cyl only turbo for just about every application. It is tough to compare spool data too since I don't think anyone has made a twin scroll G25 setup yet either. From what I've seen, they look very promising assuming they scale properly across the different frame sizes.

The G30 and G35s are going to finally give the EFRs some competition and should be a good fit for bottom mounts considering their small size.

[JOutterbridge]

Yes, they are for 3 cylinder and 4 cylinder as single or twins. Choosing the right AR for boost pressure and power level is the key

[flexer]

The problem currently is the price. All the G series stuff is a good 25%-35% more than what Borg's EFR's are going for. While there might be some performance gain from the new G-series stuff, for me the question comes down to price. If the price is 25% higher, does it offer me 25% more performance? I just don't see it. I understand that garrett usually comes out with a new product and for the first 2 years the price is high. Shoot, I remember when I was eye balling the EFR 9180 when it first came out and I couldn't find one priced under $2450, and 6 months later they were down around $2200, and now they can be had for around $1900. Shoot, I think a 9176 can be had for around $1700.

The G series stuff is great, and possibly because of exchange rates, maybe they are very competitive in price in other countries, but currently in the US the best bang for your buck is with the borg EFR stuff for dead nuts reliability (don't over spin them) and performance, and Precision for all out power.

By the time the G series comes down in price to be competitive in that aspect, I fear the rest of the market will have copied their designs and offer it at a better price and with even slightly better enhancements.

[wgknestrick]

The problem currently is the price. All the G series stuff is a good 25%-35% more than what Borg's EFR's are going for. While there might be some performance gain from the new G-series stuff, for me the question comes down to price. If the price is 25% higher, does it offer me 25% more performance? I just don't see it. I understand that garrett usually comes out with a new product and for the first 2 years the price is high. Shoot, I remember when I was eye balling the EFR 9180 when it first came out and I couldn't find one priced under $2450, and 6 months later they were down around $2200, and now they can be had for around $1900. Shoot, I think a 9176 can be had for around $1700.

The G series stuff is great, and possibly because of exchange rates, maybe they are very competitive in price in other countries, but currently in the US the best bang for your buck is with the borg EFR stuff for dead nuts reliability (don't over spin them) and performance, and Precision for all out power.

By the time the G series comes down in price to be competitive in that aspect, I fear the rest of the market will have copied their designs and offer it at a better price and with even slightly better enhancements.

EFR series prices do not include turbine housings

[pbonsalb]

You can get them with turbine housing for the prices flexer listed.

[flexer]

EFR series prices do not include turbine housings

Yes, While I am aware of that I didn't want to be a Jack A, and so I was giving readers an apples to apples comparison, so I was quoting EFR set-ups with turbine housings just as the Garrett's are.

For those reading this hope that helps.

[chikinhed]

The EFR is huge and heavy aside from being awesome.

[Def]

The EFR is huge and heavy aside from being awesome.

The aluminum CHRA B1 frame are lighter than a Garrett that makes half the power. The B2 frame EFRs are pretty big/heavy though, and what most here would use.

The EFRs are also even cheaper at the wholesale level than Garretts. It honestly surprises me EFRs have not become more prevalent, but I think some of it is people are more used to the Garrett name overall.