Jump to content
SAU Community

Recommended Posts

that is very laggy imo

it looks like Roys RB20 graph with a few more pony's up top

waiting for results with NVCS working

edit - that sounded a little harsh, 300rwkws from an L2 is great, but full boost at 5000rpm is not lol

LOL, too many results with no VCT :(

Interesting to note that the RB25, even with its extra displacement and half a point of compression doesn't really spool the TD06-20G 10cm as well as an RB20 running an 8cm housing. Will be interesting the difference the VCT makes. Would love to see the engine tuned on 98 instead of corn fuel, but if you have access to E85 and car is tuned for it understand why you wouldn't bother with 98.

med_gallery_462_50_171164.jpg

I don't expect tuning along with E85 can see the result go from 17psi at 4,500rpm to the 21 psi at 4,000rpm of my graph above?!?! Then again I dont know dyno tricks 101 so perhaps there is something different to how the cars were loaded/run on the dyno. But my thing with no EBC and a simple but effective bleed valve which was holes in a bit of fuel line to bleed pressure gave me 21psi at 4,000rpm. Seems both engines are making ~130rwkws at 4,000rpm so the turbo isnt working as hard as you would expect at 4,000rpm on the RB25.

The above graph was not on my tuners dyno, and it was a comparo against one of the tuners cars other setups so it is at least a fair comparison to the other curve which was an RB20 running a HKS GT-RS.

Maybe the 10cm housing it a tad too big for the 20G compressor as the curve seems to have the BIG turbo shape of still climbing at the rev limit vs the bell curve look I would have expected of a 20G on an RB25.

Found it finally

yeah it should get close, was told it had a new clutch..big words like heavy duty and ceramic were used...

looks like they were just that... words :/

I hate the screamer already, when it first cracked I thought WTF!!!...some more work for you Scotty..lol

Thin red line is my old turbo, I have lost a little down low but it doesnt really feel any slower ..power ramps up so much nicer..

DSC04047.jpg

It Did hit 276kw at one point, holds boost nice too

DSC04048.jpg

Im just happy I can drive it again and as long as I dont mash the pedal too hard the clutch holds up ok :D

so got a reply back from them on ebay:

It still works as there is high % of Inconel.

If there is smoke, and then you need to start take care of this issue.

Gonna push for a replacement cause im not really interested in putting a timebomb back on...

All suppliers will cover their backside first, regardless of if they will warranty the issue or not.

You should ask him if the turbo gave up next week would he replace it then? And if the motor injested parts of smashed turbine wheel will he also warranty that?

Just point out there is a reasonaby high risk and the cracks were not there from new. That means they will only continue to spread.

Having worked with the person before I know he will accept the warranty claim after you make a large enough fuss about it.

Yeh, between United and Caltex it will be pretty easy for me to run E85 now. I am still going to just use Datalogit to switch back to ULP for daily duties and making sure I dont have E85 just sitting around in the tank and lines when I am away with work etc.

So can someone start to explain the difference between Artz's RB5-20G result and DVS JEZ's? Surely VCT and tweaking a tune doesnt make 1,000rpm difference in response???? I ask because I have read that on some setups E85 can make a setup spool a little slower....have not seen any cases of it yet and wondering if its a factor in this case

Yeh, between United and Caltex it will be pretty easy for me to run E85 now. I am still going to just use Datalogit to switch back to ULP for daily duties and making sure I dont have E85 just sitting around in the tank and lines when I am away with work etc.

Yup :thumbsup:

So can someone start to explain the difference between Artz's RB5-20G result and DVS JEZ's? Surely VCT and tweaking a tune doesnt make 1,000rpm difference in response???? I ask because I have read that on some setups E85 can make a setup spool a little slower....have not seen any cases of it yet and wondering if its a factor in this case

yeah I got no idea, i dont quite understand VCT well enough to know how much difference it should make but it does seem a bit too much..

Jez is also top mount, which usually will helps spool a little earlier doesnt it...

Yup :thumbsup:

yeah I got no idea, i dont quite understand VCT well enough to know how much difference it should make but it does seem a bit too much..

Also Jez has top mount which i thought should help spool earlier..

Jez is also top mount, which usually will helps spool a little earlier doesnt it...

You said that twice in the same post... You drunk? Lol.

I don't see how top mount would help response? Unless the manifold is a restriction, and as I was told in the other thread in no uncertain terms, the stock manifold is not a restriction at these sorts of power levels. So I can't see top mount being of any benefit performance wise.

Jez is fairly conservative when it comes to his tunes in general, leaving a big safety margin. I would say his is just not finished yet and is still in its build stages, once VCT is in and hes able to ramp boost on harder Im sure the results will reflect its completed state.

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

    • Thanks for all the replies fellas. Gonna finish putting it back together and see how it handles the set up. If it starts pinging it’ll be parked.
    • Well, I can recommend the partial AV system translation CD I ordered from Car Audio Workshop in NZ. Whilst it didn't address the date issue, it has conveniently translated on-screen menu items into English, and now allows the GPS-received time to be offset in hours rather than minutes, so I can display Eastern Australian time accurately ( and bump it by another hour when daylight savings starts ).
    • Yuh, if it's 45°C outside, my car is driving in it.
    • I'd be curious to hear more. Otherwise, have you driven a modern x-trail? I wonder how it compares. Here in Australia they are/were popular for rentals and fleet vehicles. I have been in some and my impression was they are bad. But, this may have been very different in the 2000s at a good trim level. Twenty years is plenty of time to make the model worse. I do very much agree with the 2 silver cars in the garage approach. But, not driving because it's too hot would not leave a lot of time in the year for many Australians. I don't think you need to worry too much unless the car has actual issues with overheating. 
    • Back again. I returned to Japan in Jul/Aug to spend time with the car on my birthday and remind myself what all the sacrifice and compromise is for. It happened to line up with the monthly morning meet in Okutama, which I have been wanting to go to for a long time. It's a unique event at a unique spot with really rare, interesting, and quirky cars. It's where all the oldheads and OGs gather. The nighttime scene at DKF certainly has its place and should be experienced if you're into cars, but there's too much bad attention and negativity around it now. IMO the better time is Sunday morning at DKF or Okutama; it's more chill and relaxed. I'm glad I was finally able to go, but not sure it's worth the drive from all the way from Nagoya immediately the day before, unless I was already staying in Tokyo for the days right before the meet, because you have to wake up quite early to make it in time. Funnily enough though I didn't drive the car all that much this trip because it was just too damn hot. While there were zero issues and running temps were nominal and the A/C was strong, RBs already run crazy hot as it is. Sure, it took it all like a champ but something about driving these cars in the ridiculous heat/humidity bothers me and makes me feel like I'm asking too much of it. I'm just me being weird and treating the car like a living thing with feelings; I'm mechanically sympathetic to a fault. Instead I was mainly driving something else around - a KX4(silver) 2001 X-Trail GT, that I acquired in May. There's a few different flavors to choose from with Xs, but visually it's the Nissan version of the Honda CR-V. Mechanically it's a whole different story as this, being the top-trim GT, has an SR20VET mated to a four-speed auto and full-time AWD! It was a very affordable buy in exceptional condition inside and out, with very low mileage...only 48k kms. Most likely it was owned by an older person who kept it garaged and well-maintained, so I'm really happy with how it all worked out. It literally needs zero attention at the moment, albeit except for some minor visual touch-ups. I wanted something quirky, interesting, and practical and for sure it handily delivers on all three of those aspects. I was immediately able to utilize the cargo and passenger capacity to its full extent. It's a lot of fun to drive and is quite punchy through 1st and 2nd. It's very unassuming -in the twisty bits it's a lot more composed than one would think at a glance- and it'll be even better once I get better tires on it(yes, it's an SUV but still a little boat-y for my liking). So...now I have two golden-era Nissans in silver. One sports car and one that does everything else; the perfect two-car solution I think👍 The rest of the trip...I was able to turn my stressed brain off and enjoy it, although I didn't quite get to do as much as I thought. I did some interesting things, met some interesting people, and happened into some interesting situations however, that's all for another post though only if people really want to know. Project-wise, I went back to Mine's again to discuss more plans and am hoping to wrap that up real soon; keep watching this space if that interests you. Additionally, while working in the tormenting sweatbox that is the warehouse, I was able to organize most of the myriad of parts that my friend is storing for me along with the cars, and the 34 has a nice little spot carved out for it: And since it can get so stupid hot in there, that made it all the more easy -after I was standing there looking at the car and said 'f**k it'- to finally remove all the damn gauges that have mostly been an eyesore all this time. Huzzah. The heat basically makes the adhesive backing on the gauge mounts more pliable to work with, so it was far less stressful getting this done. I didn't fully clean it up or chase the wiring though; that will happen once I have the car in closer possession. Another major reason to remove all that stuff is to give people less reasons to get in my car and steal s**t while it's being exported/imported when/if the time comes, which leads us to my next point... ...and that is even though it's time in Japan is technically almost up since it's a November car and the X would be coming in March, I'm still not entirely sure where my life and career is headed; I don't really know what the future looks like and where I'm going to end up. I feel there's a great deal of uncertainty with me and as a result of that, it feels like I'm at a crossroads moreso now than any point in my life thus far and there are some choices I need to make. Yes, I've had some years to consider things and prepare myself, however too much has happened in that time to maintain confidence and everything feels so up in the air; tenuous one might say. Simply put, there's just too much nonsense going on right now from multiple vectors. Admittedly, I'm struggling to stay in the game and keep my eyes on the prize. So much so in fact, that very recently I came the closest I ever have before to calling it quits outright; selling everything and moving on and not looking back. The astute among you will pick up on key subtext within this paragraph. In the meantime I've still managed to slowly acquire some final bits for the car, but it feels nice knowing there's not much left to get and I'm almost across that finish line; I have almost everything I'll ever want for my interpretation and expression on what it is I think an R34 should be. 'til later.
×
×
  • Create New...