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> 914 Suspension Upgrade Spirited Street No Track?, What do you think??
hwgunner
post Apr 21 2007, 12:54 AM
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I am trying to figure out what the best set up would be for very spirited street driving. This is on a stock bodied car with factory 2.0 fuchs. Will be sticking with 4 lug. Here is what I was thinking. Rebuild front and rear calipers and install Good brake pads. Install crossdrilled rotors. Make sure the MC is in good working order and if not replace with Original. Install "T" in place of proportioning valve. FRONT-- Install new 21mm front torsion bars. Install properly grooved and greased softer PG Bushings along with zirk fittings on front A-arms. Install new Bilstein Sport inserts. REAR-- Install new Bilstein sports with coil over kit and 200lb springs. Install properly grooved and greased softer PG Bushings along with zirk fittings on rear trailing arms. Replace all front and rear stock sway bar bushings with new OEM. Buy, balance and install 4 new 205/60-15 tires and allign. Corner balance. Check and repalce any other wear items that might need it like ball joints and wheel bearings.

Did I miss anything? Are the 200 pound springs too much? should I go with progressive 180lb. Am I all wrong?? What do you suggest??? (IMG:style_emoticons/default/driving.gif)
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DanT
post Apr 21 2007, 01:06 AM
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those torsion bars and rear springs are going to be killer on a street car.
Normally torsion bars of those sizes and rear springs are used in AX and track cars....read that as quite stiff for a street car. Maybe that is what you are looking for.
For a street driven 914 I would install new stock size torsion bars, a stock sway bar, and possibly Koni adjustable shocks. that way you can make the car as stiff or soft as you like. soft for normal street driving and stiffen up the shocks to get aggressive.
for the rear I would consider 100# springs along with a stock sway bar and again possibly adjustable Konis to make it as soft of stiff as you like for street driving.


My current track car runs Koni adjustables, 21mm torsion bars and a stock sway bar up front. In the rear I run Bilstein sports with 180# springs. with very aggressive lowering and lots of negative camber.


as far as brakes, if you are staying with stock brakes, then rebuild them to new or have Eric Shea do it for you (they come out looking and functioning like brand new), leave the Prop Valve. If you put in a T you will get too much rear brake bias.
Placing a T is used when putting in front brakes like M calipers (with much larger than stock pistons).

Just my 2 cents. (IMG:style_emoticons/default/biggrin.gif)


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hwgunner   914 Suspension Upgrade Spirited Street No Track?   Apr 21 2007, 12:54 AM
mills914/s   Sounds good Jon. I think 200 pounders are to much ...   Apr 21 2007, 12:59 AM
hwgunner   Sounds good Jon. I think 200 pounders are to much...   Apr 21 2007, 01:18 AM
rdauenhauer   If your gonna go to that trouble ..think Needles :...   Apr 21 2007, 01:03 AM
hwgunner   If your gonna go to that trouble ..think Needles ...   Apr 21 2007, 01:09 AM
Dan (Almaden Valley)   If your gonna go to that trouble ..think Needles...   Apr 21 2007, 01:10 AM
Dan (Almaden Valley)   those torsion bars and rear springs are going to b...   Apr 21 2007, 01:06 AM
hwgunner   those torsion bars and rear springs are going to ...   Apr 21 2007, 01:17 AM
mills914/s   Yep jon thank you ..Next is turbo tie rod kit.I th...   Apr 21 2007, 01:21 AM
sww914   I have 23mm torsion bars and 200# springs in my (v...   Apr 21 2007, 02:20 AM
brp914   afaik needle bearings are not available. As far a...   Apr 21 2007, 09:23 AM
hwgunner   afaik needle bearings are not available. As far ...   Apr 21 2007, 09:43 AM
Dave_Darling   I would NOT recommend 140# rear springs with all o...   Apr 21 2007, 09:42 AM
brp914   they are just the normal bilsteins. The insert bo...   Apr 21 2007, 10:08 AM
sean_v8_914   I agree with Dan. that is a AX car set up. street ...   Apr 21 2007, 11:03 AM
sean_v8_914   Weltmeister chart   Apr 21 2007, 11:08 AM
Eric_Shea   Brought to you by the friendly folks that sell W...   Apr 21 2007, 11:28 AM
alpha434   Let him screw around. His idea of sharp handling m...   Apr 21 2007, 02:05 PM
Eric_Shea   Oh... OK. :huh: But I thought he said...   Apr 21 2007, 02:11 PM
SirAndy   Install "T" in place of proportioning v...   Apr 21 2007, 02:16 PM
Eric_Shea   :agree: They're not noisey and they don't...   Apr 21 2007, 02:19 PM


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