Turbo Conversions

[ninjadust]

funkymonkey - thanks bro!!

how about the issues about the gear box??... anyone know if the GTS4 gear box is stronger or not compared to the above mentioned RB'z????

[WazR32GTSt]

i'm pretty sure you have the same box as r32 gtst.

supercharging is easier and for fruitful (for performance) than a turbo that's for sure.

you want some 'bads' abour supercharging - well yo will shread LOTS of rear tires!

[Guest neoGT-25]

Originally posted by WazR32GTSt

well yo will shread LOTS of rear tires!

LOL :bahaha:

wheres the bad part tho? :confused:

[funkymonkey]

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.

[ninjadust]

Originally posted by neoGT-25

....wheres the bad part tho? :confused:

thats what im trying to figure out man.... it all sounds too good 2 b tru.... and simpler then turboing tooo

[funkymonkey]

read tha last post...

[Dahtone Racing]

hmmm im starting to like this SC idea

wat computer mods would it require?

[Nismodified]

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

[funkymonkey]

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.

[Nismodified]

well exactly like funky said, but it all cost money

and by the time you get enuff money for all this, buy a gtr instead

[funkymonkey]

wat a mad idea... i'm glad I thoguht of that too

[WazR32GTSt]

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!

[funkymonkey]

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

[Dahtone Racing]

what about the higher compression of the NA engine?

would u have to decompress it?

[Nismodified]

it would depend on how much boost you would want to run

if its something around 7/8 psi, then i wouldnt consider a lowering the compression.