3.0T Vs 2.5Bi-T

resurrecta · 08-11-2006, 06:17 PM

Well, I just recently saw a 2.5 Bi-Turbo MKIII, and I have a 3.0T which has less HP. I was wondering, cause I'm a noob on turbo's... Can it be done to set-up a bi-Turbo for my own MKIII? And what tweaks need to be done?

Supra2NR · 08-12-2006, 06:10 AM

on a few post before
sumbody said that
sumone had a custom turbo downpipe to accomodate two turbos

im guessing you have to change the compression rate
maybe bigger injectors? not sure tho
but dont try any of these upgrades unless you have the help of a dyno
dont wanna pay for a custom job jus to ruin you engine

kwnate · 08-12-2006, 03:55 PM

It would be cheaper to just upgrade the single turbo you already have.

resurrecta · 08-13-2006, 02:17 AM

money isn't an issue, but which one is more powerful in the end?

dcrusupra · 08-13-2006, 03:05 AM

A big single turbo is usually faster in the end. Thats y most of the MKIV guys usually go single.

Supra2NR · 08-13-2006, 09:44 AM

question about twins

are the inline turbos the same size?
if not which one is bigger the front or back?
shouldnt they make a small and a big one

and does any company started making those variable turbos
bmw has developed that technology
it a big turbo with movable fins around the turbines
which closes in low speeds/rpm and opens in high speeds/rpm
so in low speeds it can spool up quickly without lag
and in high speeds it wont choke on exhaust

f00g00 · 08-13-2006, 11:13 AM

The front turbo is for the first 3 cylinders and the rear turbo for the last 3 so they are the same size.

resurrecta · 08-13-2006, 03:09 PM

yeah standard CT26's... that's why I wondered... cause I can get performance parts very easily through a friend that has a sponsored deal. So I was kinda wondering to get 2 big turbo's in for max performance. Dunno if it would do any good though...

ZauggIt1 · 08-13-2006, 10:20 PM

Quote:

Originally Posted by Supra2NR

question about twins

are the inline turbos the same size?
if not which one is bigger the front or back?
shouldnt they make a small and a big one

and does any company started making those variable turbos
bmw has developed that technology
it a big turbo with movable fins around the turbines
which closes in low speeds/rpm and opens in high speeds/rpm
so in low speeds it can spool up quickly without lag
and in high speeds it wont choke on exhaust

Yes someone does make these turbos, the only thing is that its for pickups. Banks power makes them , i seen them on an episode of Extreme 4x4. They are just plain out nuts. Im sure someone could figure out how to put it on a supra though.

Supra2NR · 08-13-2006, 10:40 PM

the big question with variable turbos is:
how do you control the fin when opening and closing?
is it electronically controlled?
or by just the mass of air coming in into the turbo?

08-11-2006, 06:17 PM	#1
resurrecta Stock Join Date: Aug 2006 Location: Belgium Posts: 19	3.0T Vs 2.5Bi-T Well, I just recently saw a 2.5 Bi-Turbo MKIII, and I have a 3.0T which has less HP. I was wondering, cause I'm a noob on turbo's... Can it be done to set-up a bi-Turbo for my own MKIII? And what tweaks need to be done?

08-12-2006, 06:10 AM	#2
Supra2NR 1000whp postwhore Join Date: Apr 2006 Location: Chi-Town Posts: 1,643	on a few post before sumbody said that sumone had a custom turbo downpipe to accomodate two turbos im guessing you have to change the compression rate maybe bigger injectors? not sure tho but dont try any of these upgrades unless you have the help of a dyno dont wanna pay for a custom job jus to ruin you engine __________________ http://www.myspace.com/supra_2nr Into Bikes now,, apparently the supra couldnt kill me, so my zx6 might lol

08-12-2006, 03:55 PM	#3
kwnate SP58GT Join Date: Jul 2005 Location: USA Posts: 633	It would be cheaper to just upgrade the single turbo you already have. __________________ Nate

08-13-2006, 03:05 AM	#5
dcrusupra 500whp yet? Join Date: Aug 2005 Location: Plantation, Fl. Posts: 1,052	A big single turbo is usually faster in the end. Thats y most of the MKIV guys usually go single. __________________ New Rebuild My CarDomain

08-13-2006, 09:44 AM	#6
Supra2NR 1000whp postwhore Join Date: Apr 2006 Location: Chi-Town Posts: 1,643	question about twins are the inline turbos the same size? if not which one is bigger the front or back? shouldnt they make a small and a big one and does any company started making those variable turbos bmw has developed that technology it a big turbo with movable fins around the turbines which closes in low speeds/rpm and opens in high speeds/rpm so in low speeds it can spool up quickly without lag and in high speeds it wont choke on exhaust __________________ http://www.myspace.com/supra_2nr Into Bikes now,, apparently the supra couldnt kill me, so my zx6 might lol

08-13-2006, 02:17 AM	#4
resurrecta Stock Join Date: Aug 2006 Location: Belgium Posts: 19	money isn't an issue, but which one is more powerful in the end?

08-13-2006, 11:13 AM	#7
f00g00 12psi boost Join Date: Aug 2005 Location: Kuwait Posts: 292	The front turbo is for the first 3 cylinders and the rear turbo for the last 3 so they are the same size.

08-13-2006, 03:09 PM	#8
resurrecta Stock Join Date: Aug 2006 Location: Belgium Posts: 19	yeah standard CT26's... that's why I wondered... cause I can get performance parts very easily through a friend that has a sponsored deal. So I was kinda wondering to get 2 big turbo's in for max performance. Dunno if it would do any good though...

08-13-2006, 10:40 PM	#10
Supra2NR 1000whp postwhore Join Date: Apr 2006 Location: Chi-Town Posts: 1,643	the big question with variable turbos is: how do you control the fin when opening and closing? is it electronically controlled? or by just the mass of air coming in into the turbo? __________________ http://www.myspace.com/supra_2nr Into Bikes now,, apparently the supra couldnt kill me, so my zx6 might lol