Ok I'm hoping to do an AWD swap on more eclipse soon. I have a friend with a 97 GSX but it is auto tranny. My question is that if I buy a separate manual tranny could I still use the transfer case , differential, etc from the auto car? thank you.
grant96gst
From the talon yes, but the automatic transfercase and rear diff are different auto to manual in 2g cars I belive.
Auto-to-Auto work, Manual-to-Manual works. They are almost a direct bolt in aside from welding on the drive shaft hangers and welding up the rear subframe bolt holes that you'll have to cut.
The transfercase and rear differential are different between the automatics and manuals. They have different gear ratios, so they should not be mixed and matched. If you have a 5-speed transmission, you must use a 5-speed transfercase and rear differential. The same thing can be said for the automatic- you must use an automatic's rear differential and transfercase. While they will bolt in and spin the wheels, the ratio will not spin the front to rear tires 1:1 and will cause serious issues with the transfercase. Something WILL quickly break.
I'm not certain if the axles are different, but they may be. Do some research.
Converting the car from a 5-speed FWD to automatic AWD is fairly straight forward. Remove your 5-speed transmission and it's related components and install the AWD Automatic stuff as outlined by the how-to guides. You will then need to swap in the engine harness or modify it as well as a few other things like the starter and it's bolts. It is easier to swap the engine harness than modify it. The harness has the wiring for the TCU and transmission sensors. I found it easier to swap rather than modify. Once the harness is in, you'll need to swap a relay under the dash for the security system as it has a different location between the automatics and manuals.
Having a complete parts car makes this a much easier task. You'll have everything you need, including some of the stuff you didn't realize you'd need (transcooler, shifter cables/shifter, pedal assemblies, gauge cluster...)
You can interchange the years of transmissions you use provided you have a matching differential and transfercase. Even an auto-swap can support a harness interchange provided you swap the CAS wiring.
I completed my 98 spyder swap from the later 98 5-speed FWD to a 95 Automatic AWD. Because I had a complete parts car to start with, my swap was pretty straight forward and I have retained all facets of the Auto setup, most importantly including TCU controlled shifting. I even have an operational transmission temperature light in my cluster because I took the initiative and swapped everything (minus the "park" cable that is connected to the ignition cylinder and the transmission cooler since I upgraded it). The only way anyone could ever tell the car was swapped would be by seeing the old clutch master cylinder hole in the firewall, running vin/serial numbers/the ability to remove the key from the ignition in any gear.
The transfercase and rear differential are different between the automatics and manuals. They have different gear ratios, so they should not be mixed and matched. If you have a 5-speed transmission, you must use a 5-speed transfercase and rear differential. The same thing can be said for the automatic- you must use an automatic's rear differential and transfercase. While they will bolt in and spin the wheels, the ratio will not spin the front to rear tires 1:1 and will cause serious issues with the transfercase. Something WILL quickly break.
I'm not certain if the axles are different, but they may be. Do some research.
Converting the car from a 5-speed FWD to automatic AWD is fairly straight forward. Remove your 5-speed transmission and it's related components and install the AWD Automatic stuff as outlined by the how-to guides. You will then need to swap in the engine harness or modify it as well as a few other things like the starter and it's bolts. It is easier to swap the engine harness than modify it. The harness has the wiring for the TCU and transmission sensors. I found it easier to swap rather than modify. Once the harness is in, you'll need to swap a relay under the dash for the security system as it has a different location between the automatics and manuals.
Having a complete parts car makes this a much easier task. You'll have everything you need, including some of the stuff you didn't realize you'd need (transcooler, shifter cables/shifter, pedal assemblies, gauge cluster...)
You can interchange the years of transmissions you use provided you have a matching differential and transfercase. Even an auto-swap can support a harness interchange provided you swap the CAS wiring.
I completed my 98 spyder swap from the later 98 5-speed FWD to a 95 Automatic AWD. Because I had a complete parts car to start with, my swap was pretty straight forward and I have retained all facets of the Auto setup, most importantly including TCU controlled shifting. I even have an operational transmission temperature light in my cluster because I took the initiative and swapped everything (minus the "park" cable that is connected to the ignition cylinder and the transmission cooler since I upgraded it). The only way anyone could ever tell the car was swapped would be by seeing the old clutch master cylinder hole in the firewall, running vin/serial numbers/the ability to remove the key from the ignition in any gear.
You've probably seen this already, but vfaq has an excellent write-up on how to do this.
http://www.vfaq.com/index-main.html
http://www.vfaq.com/index-main.html
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