420a to 4g63 swap info?

[RSNewbie]

OK......i just bought a 98 Eclipse RS w/ 87,xxx mls no leaks and in great shape for about $750.... the first month i bought it some lady cut in front of me and i messed up the hood,fender,light, radiator support blah blah blah (in florida-if u hit someone from behind its auto. ## fault-aint that a beast). Well instead of spending about $1000 in brand new parts im buying another 97 RS with a spun rod bearing in cylinder 2 and robbing everything but radiator support to fix my car. Now cut to the point of the thread; if i was to happen to come across a GST that is a totaled car would there be a possible way i could do a swap from it to the second RS? If i had all good parts for the GST could it be a drop in to the RS? Im looking to have the second one for more less a play toy and can spend the time and a little bit of money here and there to accomplish this task. I researched the forum for answers but like the topic say- NEWBIE.... also what motor is in the 98 RS and the GST? I know they are different but im new to the eclipse but not to cars.....so im halfway there

 

[dr1ftx3]

If you are so bent on getting a turbocharged car why don't you just go with the gs-t in the first place?

 

[dsm-power36]

dont beleve its possible unless u can weld a f-in lot, the transmisson is on the other side on the 420a compared to the 4g63, so all the nounts are different so just go out and buy a gst or talon tsi

 

[xveganxcowboyx]

No, the engine swap is pretty much out of the question (as a reasonable course of action anyway)

Swapping body panels from the RS onto a running, but wrecked GS-T would be a smart thing to do though.

 

[RSNewbie]

okie dokes- i figured it would be a little tough.... the reason i dont have a GST and own a RS is like i said it was $750 for a running car and ive always just liked the Eclipses. Thanks though-i dont think there is an actual turbo kit for the RS so id actually have to go pretty much all custon wouldnt I?

 

[elfroggo]

There are options out there for turbocharging the GS/RS 420a

http://www.hahnracecraft.com/auto/eclipse/eclipse.htm

is one of them

 

[DSMcrazy3]

The popular/much less expensive route now is the custom turbo kit. Thanks to Chris for making this article he made it possible for me, and many others to achieve boost in our 420a's

http://www.dsmtuners.com/forums/showthread.php?t=181134

Do some searching here in the 420a turbo conversion forums, you'll find plenty of information there. Soak it all in, and welcome to the DSM community.

 

[No_Skillz]

also what motor is in the 98 RS and the GST?

RS and GS have the 420a. GST and GSX have th 4G63T.

 

[RSNewbie]

thank you all for the much needed info-i will be working hard to boost and will need more help down the road so thanks!

 

[redline7]

I am gonna do a 420a to 4g63 swap but I wanna find out if there is anything I don't know anout the swap. Getting all the parts is not a problem for me I just wanna find out what problems I will run into swaping the motor. I will be swaping a 6 bolt motor. I WOULD BE GREATFULL TO ALL HELP BUT PLEASE DON'T REPLY " SELL IT AND BUY A GST OR GSX"

I know the motor mounts has to be altered to fit. What about the tranny mount from a 1g tranny? Do I need the 2g tranny mounts to fit the 1g tranny on the crossmember?
Shift linkage?

 

[VelocitàPaola]

You'll need custom mounts for everything; the tranny and the three engine mounting points. You'll need to get an appropriate ECU, new axles and all of the accessories from the 4G63 (assuming you still want things like A/C, heat, or PS). Don't forget a wiring harness and fuse box. You'll also need a 2G turbo gauge cluster and a way to retrofit the speed sensor into the 1G tranny.

You said not to tell you to sell it and buy a GS-T or GSX, but can I suggest just turboing the 420A? You're basically swapping one 2.0L for another 2.0L, and the car will still be a FWD in the end. If you're willing to go through all the work, and pay all the money, to do a 420A to 4G63 swap, why not build your 420A and slap a turbo on? It'll cost much less and will be much easier.

If you just want to be original, it's been done before; the project will just leave you with a debilitated, slow car.

 

[GSGoinFast]

You'll need custom mounts for everything; the tranny and the three engine mounting points. You'll need to get an appropriate ECU, new axles and all of the accessories from the 4G63 (assuming you still want things like A/C, heat, or PS). Don't forget a wiring harness and fuse box. You'll also need a 2G turbo gauge cluster and a way to retrofit the speed sensor into the 1G tranny.

You said not to tell you to sell it and buy a GS-T or GSX, but can I suggest just turboing the 420A? You're basically swapping one 2.0L for another 2.0L, and the car will still be a FWD in the end. If you're willing to go through all the work, and pay all the money, to do a 420A to 4G63 swap, why not build your 420A and slap a turbo on? It'll cost much less and will be much easier.

If you just want to be original, it's been done before; the project will just leave you with a debilitated, slow car.

Not to mention the 420a will be much faster. Running a quick search on this forum will show you exactly what people think about this swap, DON'T DO IT.

 

[importracer209]

well i wasnt too sure where to post this, so me being a newbie ill just post it here......

being a 96 my engine is getting pretty old, especially with all the commuting i do here in cali......im looking to replace it with a newer one, to be specific a 4g63-T .....i was curious if it will be a direct swap or are there other things i will have to get as well, such as different motor mounts, sensors, a 4g63-t ecu? also will be able to use my same tranny? im guessing i will have to get new or custom exhaust too?

thanks

 

[94awdcoupe]

Please search the forums for this. It has been covered on several occasions. Simple answer is no... it is not a direct drop in and will cost and arms and both your legs in labor to do the work. Just look under the hood of your car and look under the hood of a 4g63 car and tell me what you see and I am sure that will answer your question as to why it wont work without a shitload of labor.

 

[Snobordin8]

This is a how-to for a 1g: Here Not exactly the same but it'll give you an idea of how hard it is.

Edit: This was my first search, look at the results, use the search!!

 

[DSMcrazy3]

No problem, we will be here to help along the way, just don't forget to use the search button before you go starting a thread asking a question. Many questions about turboing the 420a have already been covered in detail


Goodluck.

 

[DSMcrazy3]

Definitely just turbo the 420a. As stated it's much easier, cheaper and you end up with a quicker car initially.

 

[wret]

If you want to be able to use this site as an interactive resource, you need to read and follow the forum etiquette and rules.

http://www.dsmtuners.com/welcome.php

 

[importracer209]

well i tried doing a search but all i come up with is everyone telling everyone to do a search....or how complicated it is....i also come up with people trying to upgrade there current engine to a turbo, when i am talking about doing a complete engine swap

.....do you have a link i can look at with a strong solid answer to what the complications are or why it would be so hard to do a direct engine replacement?

thanks

 

[Snobordin8]

Here is a link to a thread with like 20 links of the same topic: Here I'm sure somewhere in there you can find what you are looking for.

 

[drivemusicnow]

I'll make it easy for you.

You can't do it.

You won't do it.

It is cheaper to buy a GS-T




Search. If a topic comes back with dozens of threads, most likely you just have to look through one to find it. If a topic comes back with dozens of threads, most of which say "search" then you are guarunteed to find the answer.

 

[GSEclipse620]

I'll make it easy for you.

You can't do it.

You won't do it.

It is cheaper to buy a GS-T

Haha, that sounds about right. Yes you could find it buy searching but since no one has given you any actual information about it I'll tell you a couple reasons why you won't want to do it. Your 420a (mine as well) is mounted backwards from the 4g63, tranny on oppisate side that is. You would have to fabricate completly new motor mounts, new ECU,,,,,,,, pretty much everything. To do this swap you wouldn't so much be fabricating a new engine into the car as would be fabricating your car around the engine. I just bought a n/t 1g for my project car as an alternative because I seek more power than my 420a has to offer as well. You could just build your bottem end and throw a turbo kit on your car for much less than the swap would be. Good luck with w/e you choose to do .

 

[importracer209]

I'll make it easy for you.

You can't do it.

You won't do it.

It is cheaper to buy a GS-T

Haha, that sounds about right. Yes you could find it buy searching but since no one has given you any actual information about it I'll tell you a couple reasons why you won't want to do it. Your 420a (mine as well) is mounted backwards from the 4g63, tranny on oppisate side that is. You would have to fabricate completly new motor mounts, new ECU,,,,,,,, pretty much everything. To do this swap you wouldn't so much be fabricating a new engine into the car as would be fabricating your car around the engine. I just bought a n/t 1g for my project car as an alternative because I seek more power than my 420a has to offer as well. You could just build your bottem end and throw a turbo kit on your car for much less than the swap would be. Good luck with w/e you choose to do .

thanks thats all i wanted to know.......

 

[redline7]

Thanks guys. I was gonna turbo the 420a in about a month but the motor is pretty much done. I think I spun a bearing or something. A rod is knocking. I have two options.

1. get a used block and use it with my head
2. Do a 4g63 swap

I am still thinking on what I should do. I don't wanna sell the car as is for $1000 because I would lose way too much money from last year to now.

 

[reeper]

Why not just rebuild the 420a, then put a turbo on it.