Lithium

I'd say the smart thing to do would be work out what he has wrong with his setup which resulted in the GT3076Rs dying, instead of just changing brands

I'm well connected, and always have my ear to the ground. (aka, I follow Turbo By Garrett on Facebook and they posted an update which I spotted while slacking off ) https://www.facebook.com/photo.php?fbid=10152761602720103&set=a.10150407102375103.644054.46944410102&type=1&theater

Dafarq. I was half expecting to see a fleshlight when the email notification came through

Well after years of having sub-standard options for going twin scroll on Garrett turbos we can now get genuine Garrett VBand Housings in open or twin scroll... will be interesting to see how these perform!

Lol you can't send me to this thread and then say that Seems like quite a bit of work to go to, but the likes of an EFR7064 on a twin scroll manifold would be immensely impressive on an RB26 in terms of spool and response - and should be capable of respectable power too, more power than the stock turbos but not much and in no way comparable with GT2530s in power. I personally wouldn't go with anything smaller than a EFR7670 (or a FP3076HTA like what R34Geeteetee suggested) on an RB26 - the spool of those units would still be at worst comparable with the stock turbos, or much better than GT2530s but still give a good power improvement... just not as much as much as GT2530s, probably half way between the stockers and GT2530s. If you want to compare flow wise with GT2530s then you really need to be looking at things like an EFR8374 or FP3582HTA which will spool a lot closer to the GT2530 (still more responsive).

6262 I think, pretty impressive spool considering

Its certainly thinking outside the box, I've personally never seen it tried on an RB25, but I'm sure the results will be spectacular

It is Boostin' Performance's AWD Eagle Talon - it runs a high compression 4G63 with lots of headwork etc etc. It has run into the low 8s at >170mph (ie, quicker and faster than plenty AWD cars with GT42s/GT45s etc have run) with both the PT6766 and the FP 3794HTA, so it is a good base for taking such a turbo to it's limit

Back to the FP3794HTA - apparently Forced Performance have a prototype "FPxx94HTA" which uses the same compressor wheel as the FP3794HTA but has different housings and a different turbine wheel, the initial indications are that it is expected to spool quicker than the current PT6766 and FP3794HTA - but make more power than either. The car that the testing this thread is about has had one of these units attached to it and will be getting it tuned soon - and no doubt they won't be holding back. if it If it does turn out to be a better all around performer than the best of the 6766 and 3794 combined then it is a hell of a thing

Awesome, good luck... Should be interesting :-)

Gutted this hasn't gone smoothly as it should have, especially for you - thanks for sharing the results and big ups on trying! I know how much of a mission a SINGLE turbo swap can be.

^ ditto, but I can see where you are coming from. Shame about the resulting what-ifs, but if it spooled well and we know that it is only a few lb/min lower flowing than the 25G (~54lb/min vs ~58lb/min?) then it isn't a bad indicator.

Argh this R32 seems very resistant to do what it should do. How was the 73HTA behaving in terms of spool compared to the other setups? It's a shame to hear it sounds like it might now get its chance in the sun due to external factors.

Ohh I like this!!!!! Hmm I still have an R33 sitting at home...

Nice - all looks good to me, nice work!

Nah I don't think so - though to be honest it was a long time ago so memory is a bit hazy but it was the owner's street car. The head light removal was just a thing done somewhere along the line to see if it made any difference from memory. The car was dynod at 450kw @ hubs as raced - I am sure there is no correction that you could do which would have brought it under 400kw (TCF was 1.00 and no AIT sensor manipulation was done) even though 450kw is a bit optimistic for most fair comparisons sake. It didn't have the strongest power delivery hence not being that quick for the power, it was running only 20psi and it's peak power was at just over 8000rpm and given that it was a stock motor/oil pump/etc he couldn't really rev it much higher to make the most of the peak power and hope to survive a run Again not sure what the relevance is, I was just talking about trap speeds vs 1/4 mile times.

Dyno results full stop. Looking for combinations which work

Any thoughts on how it is possible? I agree, it seems unbelieveable - but there has to be an explanation! SAE doesn't inflate numbers THAT much unless the temp sensor is somewhere silly, perhaps. Might have to check more MGT dyno results to see if they have other numbers which seem too good to be true - they are meant to be a reputable outfit. <edit> I think I have found a trend http://www.gtr.co.uk/forum/176121-high-power-rb25s-mapped.html

Here is an insane result for an RB26, I can't get my head around the spool and power this thing has made - a mild built (no porting, not extreme cams) RB26 with nearly 500kw @ hubs/665hp @ hubs with excellent spool on a PT6266 BB: Thread: http://www.gtr.co.uk/forum/166866-nats-r32-gtr-3.html#post1762728

The vid I linked was on a .82a/r housing - he got that mileage on ~20psi on pump gas, so comparing 23psi on E85 is hardly apples and apples. I wasn't trying to compare the GT3582R with your turbo anyway, the GT3582R *IS* a large turbo (on your boost level and E85 it'd push him WELL into the 130mph range) and it is, or at least should be a lot laggier as well. All I was trying to demonstrate is that an R33 can get into the tens even with a manual if it has the power to trap at 125+mph

Good 60ft, but no 1.5 by any stretch and as you can hear the shifts aren't lightning quick - stock H-pattern, full interior, pump gas with stock bottom end with a 35R... 10.6 @ 128mph makes at least nearly hitting 10s seem realistic with 125mph: Dyno that the power claim is from was quite a high reading hub dyno, but it had a lot of clout for a stock motor

Which good times are you talking about? It tends to be easier to run a good time with a quicker spooling turbo for the power level - at least in my experience, torque wins races and all that stuff. Sometimes you have to be a bit more careful to feather the throttle etc with a more accessible powerband, it seems lots of people get overexcited and give their cars too many RPM off the line when launching. Obviously when you put stickier tyres on and get better shifts you will go much quicker, but at the moment the ETs you have done are in the realms of much less powerful cars on street tyres (ie, I did similar with 100+kw less and shit tyres - just a lower trap speed due to way less power).

They are saying 350+kw (470+whp) on E85 man, read it properly

Naturally depending on boost, fuel, and dyno - I would EXPECT it to be pretty safely achieveable. To be fair with that combo of mods I'd expect over 300kw on anything over 18psi on pretty much any dyno I know of so long as it isn't weasel piss fuel or there isn't something wrong somewhere.