4g15 turbo vs. 4g63? (Full Version)

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4g15 turbo vs. 4g63?

  

whooliopreludee -> 4g15 turbo vs. 4g63? (8/10/2006 7:17:06 PM)

how's it going, i have a dilemma, i want to turbo my 98 mirage, i was looking online and i see kits from 220Hp to 300hp, but the220 seems the most logical for me, no internal mods need to be done the kit is about $4,000. now i know the 4g63 has more aftermarket support that the "15" but how much would it cost to get the evo or 'clipse turbo engine and tranny plus installation. anyone know if the evo engine plus tranny and install is close to also 4 grand?

  
davidmitsusrock -> RE: 4g15 turbo vs. 4g63? (8/10/2006 7:27:03 PM)

the eclips 4g63 will be cheaper becouse its an older engine but im sure with tranny, motor, and install your lookin at a minimum of 4 grand.

whooliopreludee -> RE: 4g15 turbo vs. 4g63? (8/10/2006 8:17:03 PM)

also it is an auto and i want it stickshift how hard is that to do?, i also want something that it is straightforward install, does the eclipse turbo engine require modification to install into the mirage?

davidmitsusrock -> RE: 4g15 turbo vs. 4g63? (8/10/2006 8:29:59 PM)

yes there will be modification and you will need a whole new tranny for the 5 speed, i suggest going to www.4g61t.org

Sebba -> RE: 4g15 turbo vs. 4g63? (8/10/2006 9:26:13 PM)

its pretty costly to convert auto to manual... why not simply sell and get a 5spd?

Michaels_RT -> RE: 4g15 turbo vs. 4g63? (8/11/2006 10:47:52 PM)

It would probably be cheaper to just sell and buy a 5 spd...and if you want turbo might as well buy a 5 spd that isnt running. but here is what you will need to make it a 4G63 turbo manual transmission

4G63 engine w/ turbo
1990-1994 (cheaper stuff) tranny w/ axles
shift assembly
pedal assembly
all side mount IC piping and IC itself
1990-1994 DSM wiring harness
matching year ECU


Honestly you can probably just as easily just buy a decent running 1gen DSM 5 spd and go that route. If you want it in a Mirage body, just transfer everything yourself. It SHOULD be relatively uneventful. Not sure on motor mounts but I know that the swap has been done multiple times so someone out there has that answer definitively. Good luck and have fun.

Lil Evo -> RE: 4g15 turbo vs. 4g63? (8/12/2006 10:48:11 AM)

Sorry to rain on your parade, but if you plan on going with a 4g63T, plan on spending no less than $10,000. Eclipse/Talon engines and trannies WILL NOT bolt in and require a huge amount of fabrication and customization. Evo I-VI engines and trannies will not drop in because the JDM Evo's operate on a slightly different chasis, not to mention that unless you can come across a JDM Evo V or VI front clip, they're not even the same generation. If you're wanting 4g63 power, you'll have to find an Evo VII or VIII to donate the engine, tranny, ECU, wiring harness, pedal assembly, custom fabrication for the AWD, new guage cluster, ect. ect. ect. When it's all said and done, you've got an Evo powered rage that will dominate all but for a few thousand more you could just buy an actual Evo and save yourself the hassle.

EDIT: Yes, the 4g63T swap has been done many times into a Mirage/Summit, but you'll notice that all the cars that have received the swap have been 4th gen cars. Anything 1997 and up is a 5th gen car and your options for swaps is severely limited. Off the top of my head, there's the obvious 4g63T out of a USDM Evo that will cost you an arm and a leg, the 6a13 (I think that's the engine anyway) that nobody state-side has ever done, but it is possible, and the 4g93 (which will be, by far the easiest swap).

Here's my suggestion, sell your car and buy a 97+ LS coupe or ES sedan Mirage 5spd with fairly low miles, or if you can find a wrecked one with the engine and tranny still in good shape you can just use it as a donor car and swap into your current car. I recomend the LS or ES because they have the 4g93 and you'll see a lot more power out of the 1.8 than you will the 1.5. From there, build your own turbo kit. Piecing it together will be a lot cheaper than buying from RPW and waiting for a year to get all your parts. The toughest thing to get ahold of is the manifold, but there are plenty of shops that will do custom manifolds. Other than that, everything is readily available and you can put together a good kit for under $2500.

Michaels_RT -> RE: 4g15 turbo vs. 4g63? (8/14/2006 8:19:14 PM)

the 1gen DSM is the same as a Evo II or Evo III. You cant run the JDM harness and ECU in US spec cars, different smog stuff and some other small differences. The 1990-1994 Eclipse FWD equipment will go into a 1998 Mirage. he never said anything about converting to AWD either, just wants more power. The 4G64 will go into that Mirage too with a little work. (Eclipse 2.4 liter NA motor) As will the Lancer 2.0 SOHC motor. I am not sure if mirageforums.net is still around, but if they arent go to sclc.net and talk to those guys. I havent owned a Lancer for a long time so I am a LITTLE out of it. But doesnt hurt to ask where to get motor mounts and what else is needed. Good Luck

Lil Evo -> RE: 4g15 turbo vs. 4g63? (8/14/2006 11:01:29 PM)

mirageforums.net is still up and running. motor mounts is the biggest issue, there's plenty of room in the engine bay with a little re-arranging. and he's right about the 4g64, that'll drop in with a few tweaks, which will net you 160hp at the fly, respectable for a NA car that runs about 900-1000lbs lighter than the RA

Michaels_RT -> RE: 4g15 turbo vs. 4g63? (8/15/2006 1:11:37 AM)

900-1000 lbs lighter than the RA? Wow...so a 1.8 Mirage weighs like 2000 lbs?? No dude they arent THAT light. There is probably a REAL legit 350 lbs difference in the 2 cars...which is still a LOT. We just completed a 4G64 swap into a Lancer and that swap would be similar. And easy to turbo charge later if you so desired.

  

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