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Go Back   REVscene Automotive Forum > Technical Discussion > Advanced Forced Induction & N/A Engine Tuning

Advanced Forced Induction & N/A Engine Tuning This forum is brought to you by Racing Greed in Port Coquitlam.
Supercharger vs Turbocharger vs NA? Hondata vs Megasquirt? 94oct vs 87oct? Through technical discussion, let's find out what will the best option for you...

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Old 11-21-2009, 01:50 PM   #76
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why did you have to ruin my dream man!

i want to turbo my ge in the future.

finding a 2jz-ge spare engine (i assume by the time i even get the $$$ to go the turbo route, my own engine will have far too many km's on it) will be a lot easier than trying to 2jz-gte w/ vvti.


and the argument is this. do not assume all turbo's were created equal. thus depending on all the supporting mods that go with the turbo's, switching to a single turbo swap can be as drivable if not more than sticking with the stock twin turbo set up.

i always thought the supra's TT setup was sequential? the turbo's are same but one spools out before the other. i remember back in the day i helped a friend install a black box, to make his turbo's spool at the same time or sequentially like stock via the flip of a switch.
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Old 11-21-2009, 03:21 PM   #77
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We're currently building IS300 with VVTI 2JZGE.

Car was built from other local shop before, and blew the engine.

This time, we'll rebuild it again, and it will be tuned with meth injection,

we'll see how this thing go, and maybe post the dyno result here.

And we've tune few 2JZGE (pump gas only)with turbo or supercharger on it.

It works!!! You can still get noticable power gain.

But if you have a choice to buy a 2JZGTE, buying a NA car and

trying turbo charging it will be just waste of money.

You'll not get same reliabilaty or power before spending more money than

buying a car with 2JZGTE.

Other 2JZGE with forced induction cars that we tuned, it would detonate so

bad even before you get maximum ignition timing at 7 psi, so you'll be limited by fuel octane

It flows good and got power potential, but nothing like 2JZGTE.

Good luck with your build SG!!!!

Doing single turbo conversion on 2JZGTE isn't just about getting a manifold

and putting a big turbo on. Your fuel system, engine management, good

flowing intake and exhaust, and proper tuning have go all together to make it

work properly.
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Last edited by RacingGreed; 11-21-2009 at 04:37 PM.
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Old 11-21-2009, 06:49 PM   #78
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slow slow slow slow build.

but it will happen, eventually.

most likely will look towards the turbonetics kit. ive read of some GS's in the states running the same kit, running at 10psi hitting around 360-380whp.

thats about my goal as well, enough to have some fun, but not too much that means i gotta give up all comfort and drivability.
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Old 11-23-2009, 11:05 AM   #79
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That sounds good to me!!!!!

Over 300whp is always fun!!!
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Old 11-28-2009, 10:03 AM   #80
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Quote:
Originally Posted by Adon View Post
gotdang I gotta learn to answer posts directed at me with more delicately and maturely than my first post after you told me I didn't know WTF i was talking about. I'm not one of these net dudes at all, Imma stand up guy. But you guys arent even reading WTF I'm posting, your own little ideas in your own little world, nowhere did I say you cant drive single turbo on the street nor that it's only good for drag racing. Both are drivable on the street, the only point I'm trying to get across to you is that TT is the preferred choice for daily street driving the world over. If you're gonna start an argument over misreading and misquoting someones posts then your internet etiquette leaves a lot to be desired, cuz that's some rookie shit right there. And don't think and assume how I'm talking, but READ how I'm talking guy, cuz what I type is exactly what I mean. If you do that a bit more often and you'll be able to avoid unpleasant misunderstandings online like the one we have here.

And I still stick to my equation of TT's being much better for typical daily low rpm driving, and single turbos being the right choice for high hp monsters you can find in places where higher rpm's are a must, typically places other than a city street. But this doesn't limit single turbos to strictly this and you can't write them off for shitty street use since they can be street driven as well, just not as well as TT's can.


EDIT: you OWN a Supra so you should know this already..you should also know the reason most Supra drivers prefer single over TT is because they're all trying to hit monster HP numbers that makes the turbo Supra a legend among sport cars, and if you got a 94+ year Supra and you're pushing anything less than 500whp, then you ain't even in the game. But usually we're talking close to 1000hp numbers, and these numbers are achieved almost exclusively with single turbos, thus the reason most Supra owners prefer single turbo setups over TT.

and please dontt fackin happy face finger me dude, come on man you dont know me, we don't know eachother well enough for that, we cudda been pals since we both own a G but you had to go and happy face finger me, you done fakked it up meng
The entire topic that TT is better for street and Single is better for the track is a myth. It may have been true years ago when turbo technology wasn't as advanced. TT will spool an engine faster only if used sequentially. If you disengage the sequential action of the 2jz, the car will be very laggy and only be able to produce around 450-500hp max. However if you put on a single GT3076 on the same engine it would spool just as fast as the stock TT and it has the potential to make 600hp. The only other time TT is better then single is with "V" or twin bank style engines. On a V6 a TT setup is a better alternative over single because the location of the turbos can be close to each cylinder head to take advantage of the heat. If you put a single turbo on the same engine the turbo will have to be remotely mounted somewhere and longer piping will have to be used to connect the exhaust manifolds to it. Also the left and right cylinder banks usually aren't balanced with this setup, one bank usually will have more back pressure then the other. So for inline engines a single turbo is better
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