Jump to content
SAU Community

Recommended Posts

  • Replies 74
  • Created
  • Last Reply

Top Posters In This Topic

increased fuel consumption, also using a 1GZE SC is like using a stock trubocharger off a GTSt. Unless u go for a $6000 vortech/eaton centrifugal supercharger (which is like puttin a T88 on ya GTSt) you'll never get optimal results out of a supercharger.

The reason Nissan never came out with em is that in small capacity cars (3.0L and under) its not completely efficient.

if u do consider supercharge

the car will be be more like a 4.0L aussie six

plenty of torque and power, but power wont peak that high in the rev range as our cars currently do.

u can get SC that can rev and stay someone efficient at the higher revs, but it also cost money

not necessarily, those are the oldschool superchargers that work better at higher revs.

If you look at the boost charts, the turbo charger has an exponential boost (very low boost for initial phase and very high boost after the sweet spot). A supercharger however is belt driven, ie constant. It has a linear looking chart, therefore you'd have better midrange boost than a turbo, and much better pickup at the lower end. You do however have to tune it so you don't overboost at higher revs.

eg: say hypothetically your max boost is 14psi

REVS.-> 0 . 1000 ..2000 . 3000 . 4000 . 5000 . 6000 . 7000

SC.....-> 0 ... 1 ...... 4 ...... 6 ...... 8 ..... 10 .... 12 .... 14

TURB.-> 0 ... 0.5 .... 1 ...... 2 ...... 4 ...... 8 ..... 11 .... 14

however true linearity is only achieved by centrifugal superchargers (I think, not sure) and thems the more expensive ones.

Oh and as for the q about the ECU having to be modded... NFI, I gave up and decided to go for a GTR b4 I could investigate it.

there are companies which specialise in superchargers. go through your yellow pages and find one and given them a call and have a chat about your options. i'm sure they will let you know all that you have to do.

SC can't be too bad of an idea if mercedes chooses them over turbo's. also many american professional drag cars use superchargers because of their low-down torque and power.

would be great to see a SC skyline zoom past any gtst and do well against a gtr!

u gotta spend sum serious cash for that. The company I wastaling to was adelaide based, and they specialised in supercharging civics and the like, so I gave em a buzz... think they were working on a supra at the time, either doin a super/turbo twinny or a straight super, sumfin liek that, they were the ones that gave me quotes for manifold fabrication n stuff.

I got their email at home, I'll post it when i get back from work

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

    • Order for the 2025 model R35 GT-R were accepted from 3rd March and 26th August the last order rolled off the production line at the Tochigi plant. Concerning the R35 GT-R replacement, current Nissan CEO Ivan Espinosa said "Nothing has been decided about the GT-R at this time, but we are well aware that everyone is waiting. The GT-R will evolve and reappear in the future. Please be patient until that day comes." Nissan has a lot of issues with management and finances so take Espinosa's words with a big grain of salt. From what discussions I've had and read about here in Japan, not a lot of people are confident about Nissan's future, let alone the next GT-R. 
    • Thanks. We getting some parts along too so he will be solving the speed issue like next week so i will let you know what he came up with.   
    • 21 is explicitly the coils detected as the issue. Is it guaranteed the actual issue? No. Just the ECU thinks it is. When you say rattling, describe it better, get an audio clip as best you can if possible.
    • Yea got me coppers. Bad news is I just put them in and the car still has the light and shakes. I also noticed I hear like rattling coming from the exhaust piping right under me. Does 21 also have a possibility of being O2 sensors?   So, coil packs are good, the harness is good, the MAF is working, and obviously the spark plugs just replaced and working.
    • Make sure you drop the GTT base tune back in, and set your injectors again, this will remove anything playing up with it you may have removed. Possibly lean there as it's normally a fast transient going THROUGH atmospheric pressure, and a turbo motor would then quickly go richer as boost builds. The only worry you MIGHT have is ignition timing, as the DE is higher compression than the DET from memory. But again, you're not in boost, so the DE motor will be a lot more forgiving at atmospheric.   Get Murray, Kinkstahs, and Johnny's input on tuning haltechs, those guys have played with tuning enough in the past to be able to help now you're past the trouble shooting stage of the MAP issue
×
×
  • Create New...