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09-20-2007, 01:45 PM
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#1
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SRT swap mounts?
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Naturally Aspirated
Join Date: Sep 2007
Location: Indy
My Ride: 91laser
1/4: 0.000
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Does anyone know if there are mounts for an srt-4 swap into a 1991 plymouth laser? I got crucified for posting this on the dsm forum  but I think it can be done. All they had to say was "it's a waste, the srt-4 has less potential and is weaker," "They aren't as fast as the 4g63" blah blah blah. I'm sur fab will be needed, but was just wondering if someone had mounts already available to save me some time and work. I plan on this swap to show the dsm crowd that there is an alternative to the same old 4g63t swap. A buddy of mine has a 2000 neon with an srt-4 swap said he thought someone had done it before, but he couldn't find the info. Any help is greatly appreciated,
Thanks in advance,
A.J.
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09-20-2007, 04:38 PM
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#2
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Naturally Aspirated
Join Date: Jun 2005
Location: Allentown
My Ride: '90 Voyager
Engine: 2.5 16V Twin Mitsus
Induct: Turbo
1/4: 0.000
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I could have sworn that the SRT head flowed better than an older 2.0/2.4 head, and oh wait, aren't the dsm guys running a reversed old 2.0 head? And being as the SRT internals are much nicer than the 4g63 (just from looking inside the blown 4g63 I have), don't you think the 2.4 (look at that, its a bigger motor, too!) is a better choice? I'd also like to know how many of those dsm guys are making 300 horse and 330 ft-lbs of torque reliably just by swapping on a kit from the dealer.
Maybe it's just because I hate Mitsubishi's....
Sorry, I don't have mounting advice, but I'm pretty sure its been done before so someone should know something.
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09-21-2007, 03:24 PM
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#5
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Naturally Aspirated
Join Date: Jan 2003
Location: Edmonton, AB
My Ride: DOdge Shadow ES
Engine: 2.5l
Induct: Turbo
1/4: 15.160
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Gonna go out on a limb here and say no. I have never seen any avaliable mounts other than the neon one. It sounds like you have a really unique swap planned which means not enough people have done it to make producing mounts worth while. Time to get creative and spark up the welder.
DJ
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09-21-2007, 06:55 PM
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#6
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Naturally Aspirated
Join Date: Mar 2005
Location: South Carolina
My Ride: 85 glh
Engine: 2.2
1/4: 0.000
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no there will be nothing easy. don't forget the 4g63 is 180* the srt motor, and the pickups are totally different.
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09-21-2007, 08:03 PM
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#7
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Resident piston cracker
Join Date: May 2003
Location: CT
My Ride: 92gtc vert
Engine: 2.5 8v
Induct: Turbo
1/4: 9.800
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don't the mistsus rotate counterclockwise?not that that matterstoo much, just thinking the tranny mount might be a big challlenge.
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09-21-2007, 08:31 PM
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#8
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Naturally Aspirated
Join Date: Jun 2004
Location: Phoenix, AZ
My Ride: 87 GLHS
Engine: 2.2 TII
Induct: Turbo
1/4: 0.000
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You will need to use a 420a head with the SRT4 block to make it work. The reason that the 420a is backwards flowing is because the firewall doesn't have an exhaust dunnel like the dodge cars do.
In order to make it fit it had to have the intake in the back like the 4g63 since there just isn't room for the exhaust/turbo in the back side of the engine bay.
Of course you also need to swap the rest of the driveline including the tranny aswell. I assume that the mounting points are the same between the 1G and 2G eclipse which means that the front and driver mounts shouldn't be bad if you use an eclipse/neon tranny.
-Rich
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09-21-2007, 10:55 PM
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#9
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Naturally Aspirated
Join Date: Jun 2005
Location: Allentown
My Ride: '90 Voyager
Engine: 2.5 16V Twin Mitsus
Induct: Turbo
1/4: 0.000
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Don't even try and use the mitsu electronics. I have no idea how you'd do gauges and stuff with srt underhood wiring, maybe swap interior harnesses too and use srt gauges?
Couldn't you beat the firewall back enough to fit the srt head/turbo in there? Don't know how serious you are, but I removed the heater box and moved part of my firewall back to fit my turbos in (minivan). I wouldn't want to run the exhaust underneath the 2.4, the mitsu 2.0 had more space under there.
Mounts shouldn't be too bad if you have some steel and a welder, I read lancer for some reason which is why I thought there might be some info out there.
Axels should be interesting.
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09-27-2007, 04:11 PM
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#12
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Naturally Aspirated
Join Date: May 2004
Location: BCM
My Ride: 2.4 Turbo Spirit
Engine: 2.4 DOHC
Induct: Turbo
1/4: 0.000
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same probs
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09-27-2007, 04:48 PM
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#13
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Naturally Aspirated
Join Date: Jun 2004
Location: Phoenix, AZ
My Ride: 87 GLHS
Engine: 2.2 TII
Induct: Turbo
1/4: 0.000
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The 2G swap might be easier if you use the 420a reverse flow head on an early 2.4 block (the SRT4 head has a few passages that don't line up).
That way atleast you would be guaranteed that the front and driver side engine mounts from a 2GNT 420a engine would work. I am not sure if the frame mounts are the same on a 1G as the 2G for the 420a since the 1G came with the 4g63 family of engines... DSM guys always swap in a 4g63/4g64 rather than the chryco engines so you probably won't find much info on doing this swap into a 1G.
The 2.4 will be a problem though since you would need a custom oil pan so that you can run the exhaust under it... Overall it is a mess and it is very unlikely that anyone will ever do it since the 4g63/4g64 are perfectly good engines and actually are higher reving due to their larger bores and shorter strokes compared to the SRT4 engine.
The SRT4 engine does have some advantages but they don't really justify the swap unless you are just doing it to see if you can.
-Rich
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09-29-2007, 02:06 PM
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#15
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Mo' valves, mo' boost
Join Date: Jan 2005
Location: Southeastern MA
My Ride: Daytona ES
Engine: 2.4L DOHC
Induct: Turbo
1/4: 0.000
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__________________
Jon J.
1989 Daytona ES 2.4L - MPH (and, turns out, MPG too!!)
2003 Neon SXT - MPG... yeah just MPG
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