
Rear Sway Bar - If you're looking for a way to decrease understeer without compromising the stock ride and road clearance, then this is the mod for you. The thicker the bar, the less understeer you should have.
Front Strut Bar - While the Lancer looks like the Evo, it doesn't
have the same stiff chassis. To help combate this problem you can purchase a
front strut bar to tie the shock towers together and help stiffen the car up.
Springs and Shocks - If you're looking for even more performance,
then a set of springs and shocks with stiffer spring rates and valving will
improve your handling be improving steering response and lowering the center
of gravity. Many people just swap out the springs and leave the shocks stock,
but this is a poor method to modify the suspension unless the springs are close
to the stock specs. Also, keep in mind that you should not lower your Lancer
too much because proper suspension geometry is more important for handling than
a very low center of gravity.
Brakes / Pads:
Stopping is only as good as the amount of tire contact you have. Other limiting factors are rotors and pads. Stopping distances can be drastically improved with just the addition of the correct brake pads. Other mods may include larger rotors and calipers.
Pads: $99
Optional Performance Related Items:
Short Shifter: $150
Clutch / Pressure Plate: $300 - 350
Limited Slip Differential (LSD): $890
If you want even more performance, then look towards a set of matched springs
and shocks with adjustable ride height. You'll now have a properly tuned suspension
and can now focus on corner weighting the car for optimal handling.
The Lancer ES shares virtually all the mechanical attributes of the OZ Rally Edition. The sole mechanical difference lies in the suspension. Two differences are:
Front strut assembly
No rear sway bar
Why this is so can only be a matter of cost to Mitsubishi. The ES is considered
the entry-level model Lancer and to cut costs they eliminated the rear sway
bar and used different front struts to better match this absent rear sway bar.
They also made other mostly cosmetic changes to cut costs.
Dont feel cheated with regard to the front struts. There are a variety of lowering springs and such available for the ES. ROAD/RACE carefully compared cars and did R&D to find out the differences of the cars and solutions to fitment issues. Ironically, Eibach and Progress Group had no idea that the OZ and ES were different until we told them. Why? They did all of there R&D with Ozs. Ozs were the easiest cars to get their hands on. ESs were rare!!
One area that is a deficiency on the ES is the lack of a rear sway bar. We feel the rear bar on the OZ is sub standard but no bar on the ES is sick and I mean bad sick.
Road/Race solved this problem too. Since we felt compelled to develop an upgraded bar for the OZ we had a sway bar. Why not try it on an ES? With the help of members on the forum we went about checking differences and found if we added mounting hardware for a sway bar we could fit our bar on the ES.
The ES frame and rear control arms have all the holes required to install a sway bar. If you look at the car it looks as though they just forgot it. That is good news for ES owners.
Look at the pictures:
The mounting perches for rear sway bar:

The mounting holes on the rear control arm:

The mounting holes on the frame:

An installed rear sway bar:
How Do I Install Springs?
Author: Dan Hurwitz
Type: Not specified
Last Updated: March 25, 2004
Page: 1
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Disclaimer: Working on cars can be very dangerous. You are working with large and heavy parts that can fall on you and crush you, and powerful springs that contain a large amount of stored energy. You could be hurt or killed. We take no responsibility for any damage you do to yourself or others. These directions are not meant to replace your common sense. Please use proper safety equipment at all times. Have a safe day.
Tools for this job:
Safety goggles and gloves
Floor jack and jack stands
Socket wrench
Metric sockets (12mm, 14mm, 17mm, 19mm)
17mm box wrench
Adjustable crescent wrench
Lug wrench (theres one in your car, but a dedicated one makes things easier)
Torque wrench
Spring compressor
We based this install on our own experience installing RS-R Ti2000 lowering
springs.
Well assume were starting with the rear springs.
Step 1: Put the car in gear and set the parking brake. Crack loose the lug nuts while the car is on the ground, since the wheels wont move now, but they will if the car is off the ground. The lug nuts are 19mm. A breaker bar or cross-style lug wrench makes this easy.
Step 2: Jack up the back of the car. We usually use the rear diff as a jack point to jack up the entire rear of the car at once.
Step 3: Put jack stands under the car! Always use jack stands under the car while you are working on it. Your life could depend on it.
Step 4: Remove rear wheels.
Step 5: Remove trunk trim material. There are little push-button interior fasteners that hold in the flimsy fuzzy plastic stuff in the trunk. Youll have to fold this back to get to the strut top (see pic 1). To remove the push-button fasteners, push them in a TINY bit, then lift them out using a small screwdriver or interior trim clip tool. If you push them to far, youll have to break them to get them out. We broke about half of ours.
Step 6: Remove rear spring/strut assembly. Youll need to remove two 14mm nuts from the top of the strut inside the trunk (see pic 2), and two 17mm ones at the bottom. One of the 17mm nuts is on a bolt attached to the bottom of the strut; the other is attached to the end of the lower control arm, but you have to remove it so the control arm can drop out of the way so you can remove the spring/strut assembly (see pic 3). Use your box wrench to counter the twisting force of the 17mm socket. When everthing is free, remove the spring/shock assembly from the car (see pic 4). Note that the two lower bolts face different directions. Were not sure if this matters, but in case it does, try to install them back the same way.
Step 7: Disassmble spring/strut assembly. Unscrew the single nut on top of the strut shaft. The strut shaft will want to turn, so use the crescent wrench to hold the top of the shaft, and loosen the nut (see pic 5). The spring is not tall enough to apply much pressure to the assembly, so a spring compressor is not required. (Your car could be different, so use caution at this point.) Slide all the parts of the spring cap up off the shock, and lift off the spring (see pic 6).
Step 8: Reassemble spring/strut assembly with the new spring. NOTE: Youll want to be able to turn the strut when you get it back on the car, so dont tighten the top nut down yet. There are spring-shaped recesses for the coil ends to fit into. Make sure the spring sits in them. Theres a yellow foamy bump stop that goes on the shaft. Cutting this in half will give you a little extra suspension travel, although it will also make bottoming out that much harder when it does happen. We left ours alone.
Springs dont care which direction they face, but sometimes theyre not shaped the same from top to bottom. In this case the rear RS-R springs appear to be shaped the same at either end. We installed them so we could read the labels, but it looks like they would work fine installed upside down from that.
Step 9: Reinstall spring/strut assembly into car. Lining up the large lower bolts can be tough. We stuck a large screwdriver in the holes to help position everything. The shock needs to be aligned correctly to fit over the control arm. Twist it into position, bolt the bottom bolts in place, and then finish tightening the top bolt on the strut/shock assembly. Replace the three top nuts that attach the top of the assembly to the upper strut mount.
Step 10: Replace wheels. Hand-tighten the lug nuts in a star shape. Remove your jack stands, lower the car, and tighten the lug nuts the rest of the way with the torque wrench. We use 80 ft-lbs.
Step 11: Jack up the front of the car. You can jack one side at a time, or the whole front. We have been using the hard point right behind the tow hook in the front of the car. (Youll need to remove the center front underbody plastic to get to it.). Were not sure if this is in any way meant to be a jacking point, but nothing has bent yet. Place your jack stands.
Step 12: Remove front wheels.
Step 13: Remove the brake line bracket from the strut (its a 12mm nut.) Remove the three upper 14mm nuts from the top of each spring/strut assembly. Remove the two 19mm bolts that attach the lower end of the spring/shock assembly to the knuckle. Work the spring/shock assembly loose from the car.
Step 14: Use a spring compressor to compress the spring so you can remove the top nut from the spring/shock assembly. You can rent or borrow these from most auto parts stores. If you dont happen to have one around, you can do the following, but take note: YOU COULD SERIOUSLY INJURE YOURSELF DOING THIS, so we dont recommend it. We put the assembly on its side, stood on the top end of the spring (something like pic 7), pointed the bottom end of the assembly at a pile of cardboard, and loosened the top nut. When it came loose, the strut assembly shot sideways about four feet, to our great entertainment.
Step 15: Reassemble the spring/shock assembly with the new springs. Since the new springs are lower, you wont need to compress them. They also have a top and bottom; it should be apparent which end of the spring goes where. The top of the strut shaft has a D shape, so you might need to twist the strut top to get it to sit down correctly. Cut the yellow bump stop in half if desired.
Step 16: Reinstall the spring/shock assembly in the car. Wiggle the knuckle back into the bracket on the spring/shock assembly and replace the 19mm bolts. Replace the three 14mm nuts on top of the strut tower. Replace the brake line bracket.
Step 17: Replace the wheel, hand-tighten lug nuts.
Step 18: Remove the jack stands. Lower the car. Use the torque wrench to tighten the lug nuts.
Done!