Jump to content
SAU Community

Recommended Posts

Why have I been thinking you both had the .82 v band rear?

I think it's partly because of the numbers you put out I must of just assumed...

So what is the go with a .63 5558 compared to a 3076r in terms of compressor and turbine wheels then? Because it seems to put out very similar numbers to a .82 3076r

Well 280-290kw with full boost at 4000rpm isn't too shabby for a JB turbo, though no better than a Kando T67 in spool and a bit concerning if IATs are getting unacceptable. Sounds to me like the Kando would be a better unit for this kind of setup, though the ball bearing unit would no doubt be quite a bit nicer.

True, I don't think anyone is punting a T67 on the stock manifold. The comp housing is too large from what I know.

I have to say though the result from Kurtis is really nice. Spool is mega and so is power, but it needs to be said hes on a high mount and E85. The T67 is probably better off at the level Ron is at (with a cheap highmount) but the 5558 would be better in terms of contingency.

Not to rub anything in to anyone, but we all did say 'buy a hypergear' about a million times lol.

What do you mean by contigency, JD?

Contingency planning in case Ron gets bored of his current power I mean. The 5558 seems better matched to the highmount and E85 slurping setup that he would probably move to from there, based on the result from Kurtis which seemed to be very responsive whilst making its 360kw.

Kurtis car has a very linear power curve on the street, when he took me for a run in it, even on high boost it would hardly brake traction.

It came on very low in the rev range, and pulled smoothly all the way to redline. Not like a laggy single setup or twin setup which has the nothing nothing nothing and than bam it ramps on hard wheel spins all over the road, than bogs down when u kick it up the next gear.

Long story dude...had a friend of a friend mini tub it..car went missing and shit stolen and paint f**ked(it was a new paintjob already)

I had all the dodgyness fixed/ retubbed/ 4link/cage fitted and my mate that painted it the first time...has fixed and repainted it for FREE...(instead of another 5G), so i can't complain..

Not like i havn't seen it..lol, my mate lives on a farm and has his workshop and booth there..haha

..Turbos a Gt45 frame , its a discontinued turbo..you havn't been able to get them for 3-4yrs..hence me taking 2 yrs to find one in the U.S. checking google every week..was a headf**k to buy and get here

Edited by jet_r31

Kurtis car has a very linear power curve on the street, when he took me for a run in it, even on high boost it would hardly brake traction.

It came on very low in the rev range, and pulled smoothly all the way to redline. Not like a laggy single setup or twin setup which has the nothing nothing nothing and than bam it ramps on hard wheel spins all over the road, than bogs down when u kick it up the next gear.

Boost leak has been fixed since then Deano, the bov he installed was poo. Was leaking at 1 psi with the smoke test.

But yes its a nice linear power curve not a lag monster

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

    • Does that German restaurant still exist in the old place out the NW end of Goulburn? When I say "out the NW end of"...I am really being vague. It was 1997 when I was last there, and the only point of reference I can recall is that it was on the opposite side of the main drag from the big merino. And when I say "opposite side of the main drag", I don't mean "on the main drag". It was either a couple of streets back from there, or might have even been out in the sticks a bit further. Was an old farm building or mill or somesuch. And when I say "the big merino" I might actually be thinking of a completely different part of town, because I just looked on maps and the big bugger is not where I remembered him to be! The food was good, consisting largely of various German mystery-meat sausage/loaf things and kartofflen.
    • So while the second sentence is completely correct and the whole point of the conversation, the first sentence bears consideration. If this bloke is just hoping to throw big turbos on and drive it around, because there are no helpful facilities at all in his tropical paradise** then he likely has zero chance of even knowing what the TP is on the last column in the stock maps, let alone know whether the ECU is operating anywhere near it or past it. So the point is very very moot. And, per what I said before, at stock boost on those turbos, you may well be off the end of the map. **I'm just back from Vanuatu, so I know exactly what small Pacific nations can be like wrt paradise without requisite facilities. But it's not even that simple. I put a high flow on my car and had to drive it around with a proper tune because of the lack of opportunity*** to put the bigger AFM and injectors into it to allow it to be tuned. I had to turn the boost down to less than I had before, and back off the boost controller's ramp, because it was exploring parts of the map that it didn't drive in before, and really couldn't access for tuning on the dyno either, and so was pinging. It was still well within the last column, because when I first**** set up the Nistune on the Neo I rescaled all axes of the maps to give some more space to explore. ***Family dyno was broken ****This was 13 years ago, and the TIM thing wasn't a thing then and so TP would definitely grow when pushing past the stock tune's limits.
    • Yep, this bit another local owner. I caught it before putting the transmission back into the car, what I noticed was the pressure plate fingers weren't flat and even. It's more obvious with the pull style clutch because the throwout bearing ring was visibly not flat once everything is put together. Nismo should really update their instructions to call out this specific detail. I'm not even sure the clutch as-shipped orients everything properly.
    • It ended up being that orientation of the float hub in relation to the clutch disk, when I installed it, I heard a loud click and being stupid, I decided to not take it a part and check it. The hub didn't properly align with the clutch disk and was causing the issue. Definitely an odd one! Dahtone Racing was able to fix me right up, stand up blokes!      
    • Right, but I'm saying on the stock ECU measured airmass from the MAF is no higher than stock. So it's accounting for the higher flow rate iso-manifold pressure. You just have to keep turning down the boost until you're within the stock tune's load scale. If you run off the end there's no telling what will happen. This does mean there's zero benefit to the turbos you're running vs stock, if anything it's just a straight downgrade because the transient response is worse, you don't even get the ECU's boost solenoid helping to pull the wastegate closed during initial spool, and peak power is only whatever the factory map can give you before you hit the R&R corner. On a -9 I would bet that you would have to change out the wastegate spring once you have a real ECU and you're tuning it for real. I'm not saying this is a remotely ideal state of affairs, it's just a way to keep it driveable until you can get a proper tune done.
×
×
  • Create New...