1994 eclipse engine swap

ok the 1994 gs i have is in pretty good shape for its year. ok i was wanderin about the engine. it should have the 4g63N/A in it. so does that mean that a 4g63T will bolt right up wit no problem. will the wiring harness still work and clutch. I want it to still be a dd and i do sometimes race some hondas around here. i found a 4g63T 6 bolt with only 35000 on it for 1600 dollas. so i was wanderin if it could be done wit out hiring anybody to do the swap. i plan on doin it myself. so if u guys could give me steps on how to approach something like this it would be great thank u.  
94 eclipse gs

the 4g63T is the turbo charged version of an 4g63 just get an better and newer bolt on turbo instead of swaping pertty much the same motor with an old turbo on.  
95' Honda Accord LX
-stock-

The engine that is in your car is the 420a. Not a 4g63. Swap over a 4g63t with transmission for an eclipse gst. Good to go from there. Enjoy!  

yep, the 420a is, in my opinion, the worst motor mitsubishi made. go with the 4g63t.  
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the godfather has spoken

Haha yep. That and the 4g63t can hold upwards to 550hp with stock internals. Thats more than you would ever want on a FWD eclipse.  

ok with the 4g63t swap does everything still work or do i need a new harness or is everything pretty much plug and play. thanks  
94 eclipse gs

your gonna need a new ecu  
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the godfather has spoken

Actually the 4g63 NA and the 4g63T are two entirely different motors Gibson. A 4g63 NA is not simply a 4g63T minus the turbo, but rather a watered down much weaker version that wasn't really meant at all for racing so it would be smarter to bolt in a 4g63T than add a turbo to a 4g63NA.

If the guy wants to be fast, I would sell it and buy a GSX Eclipse or Talon TSI AWD. Atleast then he can get the power to all 4 wheels, than just the front 2, and would have a lot more potential at being fast.  

he has a 420a, not the 4g63. thats why all of us told him to swap in a 4g63t instead. if you actually read the post yo9u would know that. but you wouldnt cause your a retard.  
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the godfather has spoken

I would think that the real retard is the tard that thinks 94 GS Eclipses came with 420a's when in fact the 420a wasnt in the eclipse til 95+ with the new model change. Nice try, but you fail again.  

we both might be wrong, if its not the dohc, its a 4g37.  
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the godfather has spoken

No, I know what Im talking about, they came with an NA version of the 4g63, I can even ask my brother, hes owned 2 eclipses and he said they came with NA 4g63's in the 1g eclipse GS.

I check the dsm forums and the general consensus is that NA 90-94 Eclipses came with 4g63's. Heres one mans post backing me up on the dsm forums.

Wildeclipse2000
Proven Member




Car: 92 Talon TSi
From: Bethel, Maine
Region: New England
Registered: Sep 2006
Posts: 95
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Reputation:   Quote:
Originally Posted by 98gsspy
Your N/A is the 420A. There was not a 4g63 N/A made. But to answer your question would probably be putting on a turbo. There are a couple of kits out there that you can choose from. I know at the moment slowboyracing.com is having a sale on there kit. Building your engine up would be a good idea but you can get a good 200hp with a turbo,


Not true.

The 90-94 non turbo motors were 4g63s.  

why dont you go check your favorite site, wikipedia. itll prove you wrong.

   * Eclipse: Base FWD model equipped with a 92 hp naturally-aspirated engine 1.8 L 8-valve SOHC 4G37 engine
   * Eclipse GS: Upgraded FWD model with slightly more equipment
   * Eclipse GS DOHC: Upgraded FWD model equipped with a 136 hp (101 kW) naturally-aspirated 2.0 L 16-valve DOHC 4G63A non-turbocharged variant of the 4G63T engine**
   * Eclipse GS-T: Top FWD model equipped with a 180-195 hp* turbocharged 2.0 L 16-valve DOHC 4G63T engine
   * Eclipse GSX: AWD model equipped with a 180-195 hp* turbocharged 2.0 L 16-valve DOHC 4G63T engine  
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You do know that Wiki is a publicly edited site.  Anyone can start a Wiki about anything they please.  So, Wiki is just as bad as this forum.  OPINIONS  
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"It's either a fuel injection or carbeuration problem" said the man with a 2001 Saturn Ion
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Daily: 2000 Honda Accord Coupe F23A1 VTEC
Project: 1995 Eagle Talon TSi AWD

if you dont like these forums, the just leave. we dont need your crap talking here.

the reason i went to wikipedia is because that is where scrotum always tells everybody to go to look up any stats that he posts. im just shoving his own advise down his throat. if you read other forum posts, you will realize that scrotum and i dont get along.  
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the godfather has spoken