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PostPosted: Wed Jul 25, 2012 7:09 am 
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Wondering if anyone knows if a front wheel drive AUTO transmission from a 1G dsm will fit in my '91 colt hatch. Right now my base '91 colt has a 12V 1.5L and a 3 speed auto, and i would like to swap in my spare 4G63t from my laser, but i know my stock 3 speed auto will grenade if i run boosted power through it. Once i swap in the 4G63, will a dsm FWD auto trans fit/and work with my '91 colt hatch? will the axles from a fwd auto work with my colt? Thanks for anyone that has any info on this swap.
Also if this is not possible, i may have a 4G61t to swap in instead of my 4G63t, so is there a FWD automatic trans option to swap in to my colt with the 4g61t as well? Or if anyone knows that the dsm auto will not work with this swap, are there any other fwd auto transmissions that will swap in that will hold the power of a 4G61t or 4G63t. (I would probably only run a 14b turbo on the swap to give you an idea of what power the fwd auto trans would need to hold) Thanks guys!

-Gooberlog


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PostPosted: Wed Jul 25, 2012 8:48 am 
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Yes you can swap in a 4g63t with a FWD DSM trans. As far as axles not 100% sure because I've never dealt with auto's. More than likely you can look at some build threads and find someone who is running a auto fwd and that should answer your questions.


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PostPosted: Wed Jul 25, 2012 11:29 am 
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As long as it's a 1g FWD DSM trans, it will fit. The 2g trannies are different. There are people on this forum who have done this swap before.

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PostPosted: Wed Jul 25, 2012 1:43 pm 
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yes the 1g dsm auto will fit. (I have a awd one in mine).. as far as the axles.. ask your local parts store to look up the stock colt axle for manual and auto and see if there is a difference.. reason I say this is because the dsm axles the autos are 3mm longer.. but you can still use the manual axles with no problems.. so if the colt ones are the same situation then you can use them. the concern I would have would be where the axle goes into the trans.. I think the dsm is larger so a colt axle might leak from the seals...theres posts on here that I seen recently abot how to double up..or get the correct seal to stop the leaking.


Steve

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Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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PostPosted: Tue Sep 11, 2012 12:24 am 
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steve i had quite the opposite happen. auto axles on a dsm are shorter than manual axles and my manual axles are binding with the dsm awd auto trans.


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PostPosted: Tue Sep 11, 2012 1:14 am 
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steve i had quite the opposite happen. auto axles on a dsm are shorter than manual axles and my manual axles are binding with the dsm awd auto trans.

the dsm axles are only a 3 mm difference which shouldnt cause any issues... but I forgot to mention I have the elantra lower control arms which might be why they fit... I would go to check with a local parts store to see if they have a dsm axle in stock..measure it and see if they can get any info from there supplier on the length of a 1.6 axle. if I remember they didnt make the 1.6 in the colts with a auto..so it would have to be a manual axle.


Steve

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Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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PostPosted: Tue Sep 11, 2012 7:29 am 
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Some 1.6na cars came with an auto but not the equal length axles.

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PostPosted: Tue Sep 11, 2012 11:07 am 
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I don't remember the guys screen name, but there was that blue sedan that was fwd auto. If you look up that car it may list what axles he used. Another board member bought the car. Car ran pretty good too. I think it went like 11.70 or something on a 16g

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PostPosted: Tue Sep 11, 2012 11:09 am 
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This is the car

http://www.youtube.com/watch?v=WNGtKKo- ... ata_player

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PostPosted: Tue Sep 11, 2012 12:46 pm 
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Location: roseville MI
Quote:
Quote:
steve i had quite the opposite happen. auto axles on a dsm are shorter than manual axles and my manual axles are binding with the dsm awd auto trans.

the dsm axles are only a 3 mm difference which shouldnt cause any issues... but I forgot to mention I have the elantra lower control arms which might be why they fit... I would go to check with a local parts store to see if they have a dsm axle in stock..measure it and see if they can get any info from there supplier on the length of a 1.6 axle. if I remember they didnt make the 1.6 in the colts with a auto..so it would have to be a manual axle.


Steve
do you need camber plates with the elantra control arms? if not i may just keep my dsm axels and get the control arms. what year elantra?


on a manual the dsm axels fit fine. but the auto trans caused them to bind. i couldnt even do the intermediate shaft mod.


Last edited by charlesmaley_1987 on Tue Sep 11, 2012 1:08 pm, edited 1 time in total.

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PostPosted: Tue Sep 11, 2012 12:54 pm 
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Quote:

do you need camber plates with the elantra control arms? if not i may just keep my dsm axels and get the control arms.

on a manual the dsm axels fit fine. but the auto trans caused them to bind. i couldnt even do the intermediate shaft mod.

I had it aligned and they said they got it as close as they could which was within specs but if I had camber plates it would make for a much more adjustable setup to allign (drove it about 1200 miles after allignment with no tire wear or weird steering issues)

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Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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PostPosted: Tue Sep 11, 2012 2:05 pm 
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Location: roseville MI
Quote:
Quote:

do you need camber plates with the elantra control arms? if not i may just keep my dsm axels and get the control arms.

on a manual the dsm axels fit fine. but the auto trans caused them to bind. i couldnt even do the intermediate shaft mod.

I had it aligned and they said they got it as close as they could which was within specs but if I had camber plates it would make for a much more adjustable setup to allign (drove it about 1200 miles after allignment with no tire wear or weird steering issues)
what year elantra?


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PostPosted: Tue Sep 11, 2012 2:20 pm 
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if I remember there 92-94..

Steve

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Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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PostPosted: Tue Sep 11, 2012 3:46 pm 
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sorry to thread jack. but if i get these elantra control arms. then ill be able to use the auto dsm axels without binding? how much longer are these control arms?


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PostPosted: Tue Sep 11, 2012 5:25 pm 
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Quote:
sorry to thread jack. but if i get these elantra control arms. then ill be able to use the auto dsm axels without binding? how much longer are these control arms?

which side is binding? and if I recall they are about 3/8" wider.



Steve

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Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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