Jump to content
SAU Community

Recommended Posts

4 minutes ago, discopotato03 said:

It occurs to me that Garrett are taking a long time to bring larger versions of this G Series to the market .

Its time they got their finger out in my opinion and had a look at bringing out the next turbine size up in the G series .  

Keep an eye on the end of year trade shows 

  • 1 month later...

Yeah they are clearly an improvement over the GTX series, though if you look at the most recent result added to the EFR thread of the EFR7163 on an SR20 it makes it seem like there is more catching up to do to get to EFR status - granted the 7163 is probably the best performer "per pound" of the EFR range.

52 minutes ago, discopotato03 said:

I reading a few claims at various sites that Garrett may have the G30 on show at SEMA .

Anyone know anything about this ?

A .

Yeah, I've been saying for a while that all the noises I heard suggested that they intended on releasing the rest of the range - and have certainly not heard anything to suggest that doesn't still apply.  There seems to be a fair likelyhood we'll see G-series "up to 1000hp", which presumably will mean up to around 90lb/min turbos.

 

8 minutes ago, Lithium said:

Yeah, I've been saying for a while that all the noises I heard suggested that they intended on releasing the rest of the range - and have certainly not heard anything to suggest that doesn't still apply.  There seems to be a fair likelyhood we'll see G-series "up to 1000hp", which presumably will mean up to around 90lb/min turbos.

 

I'm patiently waiting too, if they are going to take another year I will end up biting the bullet and getting a GTX3582 Gen 2

But from the testing done by Sasha the G-Series turbos look very impressive.

2 hours ago, Dose Pipe Sutututu said:

But from the testing done by Sasha the G-Series turbos look very impressive.

I was conflicted about it tbh, it looked much better than the out-going Garrett turbos however - if you compare his SR20 result with the SR20 result posted for an EFR7163 in the Borg Warner thread recently it leaves things looking like the G25-framed turbos may be overshadowed by an old dog.

1 hour ago, Lithium said:

I was conflicted about it tbh, it looked much better than the out-going Garrett turbos however - if you compare his SR20 result with the SR20 result posted for an EFR7163 in the Borg Warner thread recently it leaves things looking like the G25-framed turbos may be overshadowed by an old dog.

BW EFR hands down are quite the performer - however their resilence to abuse isn't that high as many have experienced. So for me the Garrett brand (as much hate as it gets by certain people in SAU - not you, others) tends to be the best option not to mention I get better pricing for them too :D

In other news, still need to get my car running properly first and give Tao some data I promised him about 2 years ago LOL

 

  • Like 1

I'll reserve judgement until the G30 and 35 are released and the market gets to test them . Garrett is obviously putting them up against the older GT versions and the market will soon know if they aren't much if any better .

I'm most interested in the G30 and how it goes response wise compared to the GT3076R/GTX3071R . I'd like to see a bit less inertia and a bit better wheel efficiencies , in other words same power as a GTX3071R with better spool . 

A .

17 minutes ago, discopotato03 said:

I'll reserve judgement until the G30 and 35 are released and the market gets to test them . Garrett is obviously putting them up against the older GT versions and the market will soon know if they aren't much if any better .

I'm most interested in the G30 and how it goes response wise compared to the GT3076R/GTX3071R . I'd like to see a bit less inertia and a bit better wheel efficiencies , in other words same power as a GTX3071R with better spool . 

A .

I'm going to put my neck out here and say I'd bet a cheeseburger that if there is a "wheel size equivalent" of the GTX3071R that the G30 will not spool as well.  I think with a lot of turbos, ESPECIALLY the G-series you need to pay attention to the flow levels provided and compare response with other turbos which provide that amount of flow.   

I would view it that the flow efficiency "mm^2 for mm^2" is much higher, while the response "mm^2 for mm^2" is a bit worse.  If you want to compare a G-series with an equivalent GTX-series for response, compare the G25-660 with a GTX3076R - it'll be hard to get a much closer comparison between two completely different series of turbos.   If you want to compare the G30 with something to get a gauge of the response improvements, you should be comparing with a GTX35-series turbo.

That's how I view it, anyway.

Edited by Lithium

Day one of SEMA and Garrett have unveiled the new G42 1200 and G42 1450 respectively with new turbine wheel and aero plus stainless steel turbine housing. These will be available in Australia next year, pricing is yet to be confirmed.

https://www.facebook.com/GCGTurbosAust/?__tn__=%2Cd%2CP-R&eid=ARBjacV7wG2nImRs247yR4OIQWNGQzawsgn9Nh5Q0DiNuf8l661e8PnE92xc6mLc6PblK3OBaFHPbTNm

 

45081590_1941165239282163_14082468263388

 

45027288_1941165269282160_38838666071134

 

 

 

  • Like 1

Those look pretty grunty but I'm quite disappointed that they are putting across the impression that the two G42 releases are the only new G-series being released at this time, it's really missing the mark of what people are looking for.

Borg Warner on the other hand have quite possibly nailed it

  • Like 1
  • 4 weeks later...

bit the bullet and went with a g25-660 .92 external gate on the sti. ej25 on e85. will post dyno results when I have it on there. wont be till after xmas.

compared to a similarly rated efr that's in the shop, its nearly half the size. (don't know what efr exactly, but told its only rated to 750hp)

this replaced a twinscroll td05 20g setup. have to say with a very basic road tune to make it driveable and zerod wastegate duty. it starts to make boost earlier than the twinscroll setup. it also made 15psi by 3k rpm. again, zero duty and a very rough tune. to say im excited is an understatement. will report back when link is installed an tuned.

  • Like 2
17 hours ago, discopotato03 said:

Well if the G30 is going to be how some here expect it to be then I can only hope there will be a G28 , or a least a G28 turbine option . Sort of like a 6758 wheel size wise but less bulky .

That's pretty much what the G25-660 is.... except with EFR7670 flow

  • 1 month later...

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • As discussed in the previous post, the bushes in the 110 needed replacing. I took this opportunity to replace the castor bushes, the front lower control arm, lower the car and get the alignment dialled in with new tyres. I took it down to Alignment Motorsports on the GC to get this work done and also get more out of the Shockworks as I felt like I wasn't getting the full use out of them.  To cut a very long story short, it ended up being the case the passenger side castor arm wouldn't accept the brand new bush as the sleeve had worn badly enough to the point you could push the new bush in by hand and completely through. Trying a pair of TRD bushes didn't fix the issue either (I had originally gone with Hardrace bushes). We needed to urgently source another castor arm, and thankfully this was sourced and the guys at the shop worked on my car until 7pm on a Saturday to get everything done. The car rides a lot nicer now with the suspension dialled in properly. Lowered the car a little as well to suit the lower profile front tyres, and just bring the car down generally. Eternally thankful for the guys down at the shop to get the car sorted, we both pulled big favours from our contacts to get it done on the Saturday.  Also plugged in the new Stedi foglights into the S15, and even from a quick test in the garage I'm keen to see how they look out on the road. I had some concerns about the length of the LED body and whether it'd fit in the foglight housing but it's fine.  I've got a small window coming up next month where I'll likely get a little paint work done on the 110 to remove the rear wing, add a boot wing and roof wing, get the side skirt fixed up and colour match the little panel on the tail lights so that I can install some badges that I've kept in storage. I'm also tempted to put in a new pair of headlights on the 110.  Until then, here's some more pictures from Easter this year. 
    • I would put a fuel pressure gauge between the filter and the fuel rail, see if it's maintaining good fuel pressure at idle going up to the point when it stalls. Do you see any strange behavior in commanded fuel leading up to the point when it stalls? You might have to start going through the service manual and doing a long list of sensor tests if it's not the fuel system for whatever reason.
    • Hi,  Just joined the forum so I could share my "fix" of this problem. Might be of use to someone. Had the same hunting at idle issue on my V36 with VQ35HR engine after swapping the engine because the original one got overheated.  While changing the engine I made the mistake of cleaning the throttle bodies and tried all the tricks i could find to do a throttle relearn with no luck. Gave in and took it to a shop and they couldn't sort it. Then took it to my local Nissan dealership and they couldn't get it to idle properly. They said I'd need to replace the throttle bodies and the ecu probably costing more than the car is worth. So I had the idea of replacing the carbon I cleaned out with a thin layer of super glue and it's back to normal idle now. Bit rough but saved the car from the wreckers 🤣
    • After my last update, I went ahead with cleaning and restoring the entire fuel system. This included removing the tank and cleaning it with the Beyond Balistics solution, power washing it multiple times, drying it thoroughly, rinsing with IPA, drying again with heat gun and compressed air. Also, cleaning out the lines, fuel rail, and replacing the fuel pump with an OEM-style one. During the cleaning process, I replaced several hoses - including the breather hose on the fuel tank, which turned out to be the cause of the earlier fuel leak. This is what the old fuel filter looked like: Fuel tank before cleaning: Dirty Fuel Tank.mp4   Fuel tank after cleaning (some staining remains): Clean Fuel Tank.mp4 Both the OEM 270cc and new DeatschWerks 550cc injectors were cleaned professionally by a shop. Before reassembling everything, I tested the fuel flow by running the pump output into a container at the fuel filter location - flow looked good. I then fitted the new fuel filter and reassembled the rest of the system. Fuel Flow Test.mp4 Test 1 - 550cc injectors Ran the new fuel pump with its supplied diagonal strainer (different from OEM’s flat strainer) and my 550cc injectors using the same resized-injector map I had successfully used before. At first, it idled roughly and stalled when I applied throttle. Checked the spark plugs and found that they were fouled with carbon (likely from the earlier overly rich running when the injectors were clogged). After cleaning the plugs, the car started fine. However, it would only idle for 30–60 seconds before stalling, and while driving it would feel like a “fuel cut” after a few seconds - though it wouldn’t fully stall. Test 2 – Strainer swap Suspecting the diagonal strainer might not be reaching the tank bottom, I swapped it for the original flat strainer and filled the tank with ~45L of fuel. The issue persisted exactly the same. Test 3 – OEM injectors To eliminate tuning variables, I reinstalled the OEM 270cc injectors and reverted to the original map. Cleaned the spark plugs again just in-case. The stalling and “fuel cut” still remained.   At this stage, I suspect an intermittent power or connection fault at the fuel pump hanger, caused during the cleaning process. This has led me to look into getting Frenchy’s fuel hanger and replacing the unit entirely. TL;DR: Cleaned and restored the fuel system (tank, lines, rail, pump). Tested 550cc injectors with the same resized-injector map as before, but the car stalls at idle and experiences what feels like “fuel cut” after a few seconds of driving. Swapped back to OEM injectors with original map to rule out tuning, but the issue persists. Now suspecting an intermittent power or connection fault at the fuel pump hanger, possibly cause by the cleaning process.  
×
×
  • Create New...