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Old 08-08-2007, 06:07 PM   #1
Aubrey
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Please Help,n/a automatic to turbo 5sp conversion on my 1995 eclipse gs...hopefully

I have a 1995 eclipse gs and its naturally aspirated and its also an...automatic. Ive been doing tons of research on the car and all available parts for it, but they dont make that many for my version of the eclipse which is why i want to do this conversion...but dont know how or where to start or what i need...so any help you guys could give me would be most appreciated.
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Old 08-08-2007, 07:28 PM   #2
dodgerforlife
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Quote:
Originally Posted by Aubrey
I have a 1995 eclipse gs and its naturally aspirated and its also an...automatic. Ive been doing tons of research on the car and all available parts for it, but they dont make that many for my version of the eclipse which is why i want to do this conversion...but dont know how or where to start or what i need...so any help you guys could give me would be most appreciated.


Okay, so you have a 95 eclipse GS, meaning that you have the 2.0L N/A 420A block engine. The swap that you're talking about to the 2.OL 4G63 block turbo engine is very costly and very time-consuming. The 420A block has the transmission mounted on the driver's side, and the 4G63T has the transmission mounted on the passenger's side. That alone means you would need to get custom motor mounts done, which wouldn't be cheap. As well as all the other parts you'd need at a minimum, here's the list that I can think of off the top of my head..

1. 4G63T engine
2. transmission
3. wiring harness for engine
4. 4G63T ECU
5. shift linkage
6. custom engine mounts
7. intercooler, turbo, related parts
8. boost gauge/fuel filter

And that's not all you would need to do.

Happily, there are other options out there. A 420A manual tranny swap is easily enough done, and there's lots of information on how to do it, and so is upgrading it. The 420A is actually the same block that's been used for a decade, and not just in DSM cars. Mistubishi used it in other cars, and Chrysler used it as well, including all the way up to the SRT-4. So there is tons of upgrades, hell, you can toss a 15G turbo on there for pretty cheap, run it about 8 PSI and you'll be sitting at about 250-275whp on stock internals. If you want to go more extreme, rebuild the engine with better internals, and then you can really lay out some serious power, the block is good to almost 600whp!

IMHO, stick to the 420A, the cost of a 4G63T swap is just prohibitive. You're a lot better off building up the 420A, you'll get a lot more for your money. Look at Hahn Racecraft for a lot of 420A parts.
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Old 08-08-2007, 08:01 PM   #3
Aubrey
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thanks alot i really appreciate that...the only reason i wanted to do that conversion is because they really dont make many parts for the 95 eclipse gs,well at least i cant find any;all the good parts are for the gst and the gsx
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Old 08-08-2007, 08:07 PM   #4
dodgerforlife
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Quote:
Originally Posted by Aubrey
thanks alot i really appreciate that...the only reason i wanted to do that conversion is because they really dont make many parts for the 95 eclipse gs,well at least i cant find any;all the good parts are for the gst and the gsx


Heh, you just weren't looking hard enough. Like I said, it's a pretty common engine, so you should be able to find enough parts.

Try Hahn Racecraft, Exile Online, and sportcompactonly

I run a car with a 420A myself, so I've done enough research on these
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Old 08-08-2007, 08:16 PM   #5
Aubrey
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ok cool, i have another question...do you think i could turbocharge my naturally aspirated 420
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Old 08-08-2007, 10:45 PM   #6
dodgerforlife
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Originally Posted by Aubrey
ok cool, i have another question...do you think i could turbocharge my naturally aspirated 420


Did you read my first post at all, where I said you can slap a 15G turbo kit on that and be sitting pretty with about 250-275whp?.....

Hahn Racecraft = your new friend
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Old 08-09-2007, 12:58 AM   #7
Aubrey
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haha...sorry, thats my add kickin in again...whoops. thanks alot,if you have any other tips or anything just let me know, thanx
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Old 01-30-2008, 04:22 AM   #8
L0v3_To_g0_FaSt
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Question 420a transmission swap

hi im also tired of my automatic and thinking of swapping my 420a auto transmission to manual.......anyone think they can give me a quick list of what i would need to complete the swap....o my car is also an eclipse gs
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Old 02-10-2008, 10:51 PM   #9
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hey i think i read somthing about this question on this dsm site. if so it will tell u wat to do and wat u need. hope it helps u out

wwwDOTvfaqDOTcom
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Old 02-11-2008, 10:20 AM   #10
Spanky2324
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Originally Posted by DARKtEAGLE
hey i think i read somthing about this question on this dsm site. if so it will tell u wat to do and wat u need. hope it helps u out

wwwDOTvfaqDOTcom

vfaq is so old but still so useful to the dsm community.
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Quote:
Originally Posted by What
Civic (Performance?) Numbers from the fastest of the slow...Si

92% of teens moved on to rap music.
If you're part of the 8% that rock out everyday, put this in your signature

Owning a DSM is like having retarded kids. You get angered and frustrated by them yet you love them to death.
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Old 02-12-2008, 02:33 AM   #11
DARKtEAGLE
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Originally Posted by Spanky2324
vfaq is so old but still so useful to the dsm community.


lol thats y i still use it
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Old 02-12-2008, 07:22 PM   #12
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Quote:
Originally Posted by L0v3_To_g0_FaSt
hi im also tired of my automatic and thinking of swapping my 420a auto transmission to manual.......anyone think they can give me a quick list of what i would need to complete the swap....o my car is also an eclipse gs
tranny
pedals
shifter
linkages
k-frame
clutch
clutch lines
etc.etc.
and in the end it wont be all that beneficial
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Old 02-13-2008, 10:04 AM   #13
Spanky2324
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Why don't you guys just sell your gs' and go out and buy a GSX
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Quote:
Originally Posted by What
Civic (Performance?) Numbers from the fastest of the slow...Si

92% of teens moved on to rap music.
If you're part of the 8% that rock out everyday, put this in your signature

Owning a DSM is like having retarded kids. You get angered and frustrated by them yet you love them to death.
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Old 02-13-2008, 08:21 PM   #14
DARKtEAGLE
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Quote:
Originally Posted by Spanky2324
Why don't you guys just sell your gs' and go out and buy a GSX

true dat. i agree
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Old 02-14-2008, 05:30 PM   #15
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Originally Posted by DARKtEAGLE
true dat. i agree



For the price, it's hard to argue the performance you can get out of a DSM. They are getting pretty cheap to pick up as well.

Get yourself a nice 1G and have some fun.
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