I would go with the forced performance b28. Much better than the t25. The t25 is to small and just heats up the air way too much. The B28 has way more power to be had from it plus it spools to full boost just over 3,000. It's a nice turbo.

 

That is what I have on the car right now (Big T28 - thanks to the Robert from the Forced Performance) and it is really a great turbo. Since I am autoX-ing mostly, I need all of the power/torque as low as it goes without sacrificing the high end. Big T28 gives you exactly that and it is probably the best choice for the DSM and autoX combination.

For the regular Lancer which doesn't flow as much as the DSM engine, it might be more lagy than autoX might require, so from that point of view, T25 might be a better choice. Also, T25 is too small for the 4G63 engine and runs into the over spin most of the time (even at 15 psi as soon as you pass 6k RPMs), and that is why it is overheating. Lower requirements from the Lancer ES engine, might not run that one into the over spin mode and it might work pretty well.

Now, if you change the pistons and drop the compression ratio that would allow you to run higher boost levels, than a bigger turbo would make more sense. Especially if a drag strip is what is the primary reason for all of the work that would need to be done! If not, high compression that Lancer has, would make it hard to go with higher boost levels, so T25 would be a great choice!

Mr. AWD

 

MrAWD, please read this thread. You seem like you may be able to answer my question.

https://www.evolutionm.net/forums/sh...threadid=11009

 

Just did! Hope it will help!

Good luck!


Mr. AWD

 

It is true that the 4G63 is an old engine and probably outdated. But why change what works? Mitsubishi has a gem in this little engine. For years this engine has wreaked havoc on tracks around the country and the world. It has come to the point where it has actually been swapped into Hondas and Starions. Not to mention the engine's ability to hold high boost pressures in stock form. Talons, Eclipses, Lasers, Galant VR-4's, and Evos. That is an impressive resume. Speaking of old engines, look at Chevrolet. The Corvette still uses the basic 350, with a few minor changes, but still uses pushrods and one camshaft. What worked decades ago still works in our high tech world. The Viper even uses old pushrods and look how well that does. I believe it is about character also. Would you buy an EVO with a V8? Just wouldn't be an EVO.

 

That is true

Quote:

That is an impressive resume. Speaking of old engines, look at Chevrolet. The Corvette still uses the basic 350, with a few minor changes, but still uses pushrods and one camshaft. What worked decades ago still works in our high tech world. The Viper even uses old pushrods and look how well that does.

I beg to differ on this topic though. Can you really say that the Corvette and the Viper really work "well". The Z06 corvette, with its 6 liters of displacement only pushes out 400HP. The Dodge Viper has 8 liters of displacement and only pushes out 500 HP. I don't think those work too well in the modern era when a S2000 with only 2 liters of displacement pulls off 240HP.

Quote:

I believe it is about character also. Would you buy an EVO with a V8? Just wouldn't be an EVO.

Sure, I don't want the EVO to be a V8, but maybe there are better things that could be done to it. Look at the engine, its being improved and sooner or later it will reach the point where it can't get any better.

 

Yes, ans when it reaches the point where it can't get any better, they will develop or find a better engine for it. I have a feeling they have already started...IMHO

 

The 4g63T engine will not die anytime soon. The engine is too damn powerful and reliable. And we all know it's possible to have over 500hp and 450lbs. in these cars. So for those lucky enough to own one in the near future, you WILL understand. The biggest and cheapest bang for your buck as far as performance parts will be an air intake, free flow exhaust, and a boost controller. All those combined and you'll be running 12's EASY. How many cars, (turbo or not) can claim that.
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And for those that think a new powerplant is a smarter way to go. It would be like starting from square one, and the EVO would get left in the dust by the competition. Even all the tuners would be left in the dark, because there would be a whole new learning curve(On the engine). And there is always reliability issues to deal with when working on a new engine design.

As far as WRC is concerned, don't look for the EVO to compete very much longer, becuase Mitsu will be introducing the new Colt rally car as the EVO rally replacement. They will however keep the EVO rallying in america and abroad on the SCCA circuit.

 

Mitsubishi`s Traditional Style engine like Chevy. That is so true!!
2.0 4G63 is proven engine. as the best boostable engine.
and reliable.
no reason to make Whole new engine..

 

welll...i think mitsu stayin wit the 4g63 is a good choice becuase its been around for so long now that we basically no all of the capabilities...we no the ups and downs...and we know what were paying for...also Mitsu keeps improving it..making it almost flawless..They are just making our jobs as tuners alot easier.
but hey, we all need a change sometime

 

They don't have to use a 2.0 in the retail EVO for WRC purposes. Current homoligation rules only require 50 vehicles to be built. Those 50 2.0 vehicles could be met with their regular production cars, or they can be special production vehicles specifically for their own rally team. As long as they make 50 they're legal. So they could get by without putting a 2.0 in any lancer or EVO they sell to the public if they wanted to. WRC is no reason for staying 2.0. My guess is just that the 4G63 does fine for it's current task, so why spend the R&D to make a bigger or newer engine. If they decide to step up and compete in the US market with the STI, I'd guess they'd atleast up the displacement. The 4G63 can be modded to make big power, but can it make big power and still pass emissions. That's why they'd probably have to up the displacement if they want to compete.

 

This is my main point. As time goes on, pretty soon the engine will be "flawless" and won't be able get any better. I feel that they are about to reach that point sometime in the near future. What happens then?

 

i hope they dont change it because then i would need a new user name

 

Remember that the Evo also competes in Group N as well, so mitsu needs to make a bunch of Evos with 2.0L engines for that anyways. At this past Rally GB it seemed like a huge portion of the Group N field were driving Evos, and most of those were 7s.

 

and they could keep making 2.0 evo's in Japan, plus the base lancer is 2.0. Just like Subaru is still making 2.0 WRX's and STI's, wouldn't change a thing. However, with them switching to the Colt platform to rally with, it may not matter anyway.