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Old 03-07-2006, 10:52 PM
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BF_JC230 BF_JC230 is offline
w123 and w203
 
Join Date: Oct 2003
Location: Southtowns of Buffalo, NY
Posts: 530
First off good luck...

With that said I am running about 230hp with a domestic power plant in my w123...

To upgrade the chassis you will need to get creative...

I am using long/limo L version suspension bushings were ever possible. the front sway bars are marginally different if at all between a sedan, long, and a wagon...the rear bar in a wagon is thicker - but may throw things out of wack to the front if not upgraded...the rear bushings are 201 part pns now

I am using slotted rotors on stock calipers with textar pads, and goodridge stainless flex lines, new booster and master...all new hard lines both fuel and brake...I will do the "big brake" upgrade to w126 parts when this set up goes...

I am running lowering springs by Ventura, and bilstein shocks...it took a little messing with different spring cups to get the right ride height...kmac made a camber set for our rears...it is an expensive part as well

Adjust your front eccentric if lowered

I have a home made fiberglass and urethane body kit - and installed a third brake light...

Dad and I put in a mustang rack, with custom arms and steeda bump steer kit when I installed the jba headers - using borgeson unis on the double d shaft...these turn 17" monoblock type wheels

You will want to look at the rear axles and the drive line, replace tore or damaged parts - carquest has lifetime axles, but make sure all the Allens are tight!

They say there is a possi / locker rear diff from amg - good luck with that, or that you can hybrid one with w126 parts...but all in all the stock one should hold 250hp...Check your axle slop, and the inner rear hub bolts...

I used a turbo flex disk, the front is a universal from the Ford tranny to a custom sleeved and spun balanced drive shaft - I have ripped up a carrier bearing - check yours...

The diff and rear sub frame mounts are important - and easy to replace - also check the integrity of the front sway bar to upper control arm, and the lower spring perch in the rear trailing arm...

I am running all stainless 2.5" mandrel exhaust through a borla turbo muffler...
I have white face gauges and two in the ash tray for volt and
air/fuel...working on an apillar gauge pod for boost and fuel press...

I am running a large aluminum radiator from wizard cooling with trans cooler...

I also have a spare intercooler for in front of the radiator if you think you want or need it...I could think about selling it...

When set up and running right the blower goes through carbon fiber tubes, a front mount IC and into the upper intake...

Again - good luck - have fun - be safe
Jake

I forgot - we made a upper cross bar / strut tower bar...call it what you will...
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