Jump to content
SAU Community

Recommended Posts

  • Replies 45
  • Created
  • Last Reply

Top Posters In This Topic

Bit hard to say as the dyno sheet I have only plots against speed and most of the seat time I've had so far I've been too busy looking ar other things to notice ;) I'd guess-timate that full boost (about 20psi) is reached at around the 3000-3500rpm mark.

yep that sounds awesome, so nice to drive with that much power available so early... amazing considering the capacity... that's about 1000rpm less lag than my car... what power you making at about 130km/h?

I'm going to have to get a set of these bad boys... I need that powerband in my life

fark 340kw by 3500rpm.. that's an animal. GTR powahh

Lol...full boost doesn't mean full power. Its making 340ish nearer 6000rpm.

looks good ant well done and good to hear all sorted and new engine

RPM = (SPEED / 28) * 1000

assuming it was dynoed in 4th gear with 4.11 ratio's

Thanks Paul :thumbsup: that puts some sense into my dyno sheet.

On the above basis, full boost by around 4400rpm!

yep that sounds awesome, so nice to drive with that much power available so early... amazing considering the capacity... that's about 1000rpm less lag than my car... what power you making at about 130km/h?

I'm going to have to get a set of these bad boys... I need that powerband in my life

Lol see the above Nick :blush: so nowhere near the 1000rpm earlier! At 130kmh its a touch under 280kw. What about yours?

Nice work getting the finance committee to approve the extra spending on turbos ;)

I like the crinkle on the strut brace, that actually quite different indeed!

Good to see it back and better than before, more power FTW

Lol...full boost doesn't mean full power. Its making 340ish nearer 6000rpm.

Thanks Paul :thumbsup: that puts some sense into my dyno sheet.

On the above basis, full boost by around 4400rpm!

Lol see the above Nick :blush: so nowhere near the 1000rpm earlier! At 130kmh its a touch under 280kw. What about yours?

ah yeah not quite... mines at about 240kw at 130km/h... that's about when peak torque/boost hits

I bet its a lot more linear though.... be interesting to feel the difference on the street... I reckon that's where this setup would shine... you don't load them up on the street like you do on a dyno... makes the laggier setups look a bit better than they drive

if your butt dyno says its got some poke at 3–3.5K rpm that's good news... mine is deader than the king of pop at that rpm

now what exactly did you tell your Mrs... word for word... cos if I start a sentence with 'I need new turbos' its heading for massive failure!

be interesting to see if your driving style changes at all... might take some time to adjust... or you might just be quicker straight off the bat...

Nice work getting the finance committee to approve the extra spending on turbos

Lol don't be under any illusions...It will cost me in more ways than one ;)

ah yeah not quite... mines at about 240kw at 130km/h... that's about when peak torque/boost hits

I bet its a lot more linear though.... be interesting to feel the difference on the street... I reckon that's where this setup would shine... you don't load them up on the street like you do on a dyno... makes the laggier setups look a bit better than they drive

if your butt dyno says its got some poke at 3–3.5K rpm that's good news... mine is deader than the king of pop at that rpm

now what exactly did you tell your Mrs... word for word... cos if I start a sentence with 'I need new turbos' its heading for massive failure!

be interesting to see if your driving style changes at all... might take some time to adjust... or you might just be quicker straight off the bat...

It is an extremely linear curve. Using Pauls formula, the curve really starts to ramp up at 3300rpm and I gain 200kw before 5800rpm. This is backed up by my seat of the pants feel as it is when the car starts to boogie :banana:

As for the missus, in many ways I'm lucky I look after the family finances and that fact she is not a car nut herself. I never lie, I just leave out certain figures :ph34r: Because she isn't a car nut when I start talking about forged pistons, the relationship between power and torque etc etc her face just glazes over....so all I say is that its being 'fixed' :D

As for driving style, I don't think my driving 'style' will change but of course there will be a learning curve. Not only that but as said above, I have to look after the brakes.

As for the missus, in many ways I'm lucky I look after the family finances and that fact she is not a car nut herself. I never lie, I just leave out certain figures :ph34r: Because she isn't a car nut when I start talking about forged pistons, the relationship between power and torque etc etc her face just glazes over....so all I say is that its being 'fixed' :D

As for driving style, I don't think my driving 'style' will change but of course there will be a learning curve. Not only that but as said above, I have to look after the brakes.

Sounds like me and my 'Diff' issue....that took 6 months to fix :whistling:

Lol see the above Nick :blush: so nowhere near the 1000rpm earlier! At 130kmh its a touch under 280kw. What about yours?

GAY....twin this, 2.6L that with multi thingy throttles and my std RB20 makes 240 at 130km/h on the same dyno. Long live the RB20!

When is the next track day... me thinks you need a t-bone under brakes because you are going to be faster then me :)

But really...awesome to see you getting yoru car back!

Sounds like me and my 'Diff' issue....that took 6 months to fix :whistling:

lol so it's not that girls don't want to be clued up on cars, nor have the ability to be...they just get confused with all the bullshit we feed them :D

GAY....twin this, 2.6L that with multi thingy throttles and my std RB20 makes 240 at 130km/h on the same dyno. Long live the RB20!

When is the next track day... me thinks you need a t-bone under brakes because you are going to be faster then me

But really...awesome to see you getting yoru car back!

:D ROFL you do put a smile on my face mate!

As for the tbone under brakes, I'm not so sure that you are going to get the chance. At the moment I dare say that there are a few too many ponies under the bonnet for the stock brakes to rein in lap after lap. Hence the kamikaze paint job for the cam covers...who needs brakes...everyone knows that the fastest lap times are always set when you miss your brake markers ;)

lol so it's not that girls don't want to be clued up on cars, nor have the ability to be...they just get confused with all the bullshit we feed them

See thats not it....I think its a lack of interest/mech. understanding more than anything else. Sure there are plenty of girls out there who are interested but I can literally see the lack of interest/understanding on my missus face the second I start getting into details. I'm more than happy to explain the finer details but whats the point when its going in one ear and not the other?

who needs brakes...everyone knows that the fastest lap times are always set when you miss your brake markers ;)

Yep. My 34 at winton was with no pad material left at all on one side haha.

Seriously though, get a Ksport 356 kit. Working well on Chris's car and only just over 2k.

GAY....twin this, 2.6L that with multi thingy throttles and my std RB20 makes 240 at 130km/h on the same dyno. Long live the RB20!

std RB20 lol... you've spent more than me and Ant combined on bolt ons and tunes!;)

anyway I got home from work in 18mins the other night... new record... beat that Bris........ I really need to get to the track... Ant can you talk to the Mrs for me, clearly your better at it than me... mine actually knows what I'm on about because like the idiot I am I taught her... she even mentioned when I swapped coolers that the car felt smoother coming onto boost!

never get a mortgage... it means joint bank accounts and no way to lie about costs... might have to start hording cash under the mattress... no wait somewhere the wife won't look... I know, in my golf bag or under the PS3! FTW!

Ant sif need brakes... scandy flick and a bit of handbrake should scrub off enough speed;)

Chris has the D2... I also have a D2 set that I'm going to review, and if satisfactory - organise a GB in 356mm

Will be under 2k without a doubt :)

So hold off for a couple months Ant :D

If you wanna get technical Chris's are G4's like mine :P Same sh1t

Seriously though, get a Ksport 356 kit. Working well on Chris's car and only just over 2k.
Chris has the D2... I also have a D2 set that I'm going to review, and if satisfactory - organise a GB in 356mm

Will be under 2k without a doubt

So hold off for a couple months Ant

Yeah I really need to have a chat to Chris about his brakes and what they were like. Might seem silly to some but I always said that if I was upgrading bits on my car I would fit top shelf stuff thats got proven results. That being said, I'm not made of money and the cost of an Alcon or AP set is pretty hard to justify when the china stuff seems to do ok....

Are you going to review them on track as well?

...mine actually knows what I'm on about because like the idiot I am I taught her...

See that was your first mistake ;)

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

    • That's odd, it works fine here. Try loading it on a different device or browser? It's Jack Phillips JDM, a Skyline wrecker in Victoria. Not the cheapest, but I have found them helpful to find obscure parts in AU. https://jpjdm.com/shop/index.php
    • Yeah. I second all of the above. The only way to see that sort of voltage is if something is generating it as a side effect of being f**ked up. The other thing you could do would be to put a load onto that 30V terminal, something like a brakelamp globe. See if it pulls the voltage away comepletely or if some or all of it stays there while loaded. Will give you something of an idea about how much danger it could cause.
    • I would say, you've got one hell of an underlying issue there. You're saying, coils were fully unplugged, and the fuse to that circuit was unplugged, and you measured 30v? Either something is giving you some WILD EMI, and that's an induced voltage, OR something is managing to backfeed, AND that something has problems. It could be something like the ECU if it takes power from there, and also gets power from another source IF there's an internal issue in the ECU. The way to check would be pull that fuse, unplug the coils, and then probe the ECU pins. However it could be something else doing it. Additionally, if it is something wired in, and that something is pulsing, IE a PWM circuit and it's an inductive load and doesnt have proper flyback protection, that would also do it. A possibility would be if you have something like a PWM fuel pump, it might be giving flyback voltages (dangerous to stuff!). I'd put the circuit back into its "broken" state, confirm the weird voltage is back, and then one by one unplug devices until that voltage disappears. That's a quick way to find an associated device. Otherwise I'd need to look at the wiring diagrams, and then understand any electrical mods done.   But you really should not be seeing the above issue, and really, it's indicating something is failing, and possibly why the fuse blew to begin with.
    • A lot of what you said there are fair observations and part of why I made that list, to make some of these things (like no advantage between the GSeries and GSeries II at PR2.4 in a lot of cases) however I'm not fully convinced by other comments.  One thing to bare in mind is that compressor flow maps are talking about MASS flow, in terms of the compressor side you shouldn't end up running more or less airflow vs another compressor map for the same advertised flow if all external environmental conditions are equivalent if the compressor efficiency is lower as that advertised mass flow takes that into consideration.   Once the intercooler becomes involved the in-plenum air temperature shouldn't be that different, either... the main thing that is likely to affect the end power is the final exhaust manifold pressure - which *WILL* go up when you run out of compressor efficiency when you run off the map earlier on the original G-Series versus G-Series II as you need to keep the gate shut to achieve similar airflow.    Also, how do you figure response based off surge line?  I've seen people claim that as an absolute fact before but am pretty sure I've seen compressors with worse surge lines actually "stand up" faster (and ironically be more likely to surge), I'm not super convinced - it's really a thing we won't easily be able to determine until people start using them.     There are some things on the maps that actually make me wonder if there is a chance that they may respond no worse... if not BETTER?!  which brings me to your next point... Why G2 have lower max rpm?  Really good question and I've been wondering about this too.  The maximum speed *AND* the compressor maps both look like what I'd normally expect if Garrett had extended the exducers out, but they claim the same inducer and exducer size for the whole range.   If you compare the speed lines between any G and G2 version the G2 speed lines support higher flow for the same compressor speed, kinda giving a pretty clear "better at pumping more air for the same speed" impression. Presumably the exducer includes any extended tip design instead of just the backplate, but nonetheless I'd love to see good pics/measurements of the G2 compressors as everything kinda points to something different about the exducer - specifically that it must be further out from the centerline, which means a lower rpm for the same max tip speed and often also results in higher pressure ratio efficiency, narrower maps, and often actually can result in better spool vs a smaller exducer for the same inducer size... no doubt partly due to the above phenomenon of needing less turbine speed to achieve the same airflow when using a smaller trim. Not sure if this is just camera angle or what, but this kinda looks interesting on the G35 990 compressor tips: Very interested to see what happens when people start testing these, and if we start getting more details about what's different.
×
×
  • Create New...