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> Front Sway Bars
wndsnd
post Aug 23 2013, 08:28 PM
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I'm see prices of $150, 350, and 500+ for new sway bars

Just wondering, once on the car will there be a difference in feel?


I really only want to spend $200.00, want adjustability, and 19mm for road only.

Your opinions please. Make some sense out of this for me.

Thanks
John
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scott_in_nh
post Aug 24 2013, 07:31 AM
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Hi John, I think I gave you my 2 cents on this when we were on your boat, but I will post here for other comments (if any).

I put a stock front bar on my car last fall and have a rear bar that I have not installed.

Before installation there was a fair amount of body roll and if you lifted mid turn the trailing throttle oversteer was substantial enough to require a noticeable decrease in steering input.

After installation there was substantially less body roll and the trailing throttle oversteer was gone!

It made a huge difference and I was very happy!

Jump forward six months to this past spring when I started autocrossing.

No matter what I did to the tire pressure (Goodyear Eagle GT's great street tire, substandard AX tire), the car plowed and the body lean was substantial!

IMO, for the street the right thing to do at this point would have been to add the rear bar, but this doesn't work for AX as you will unweight the inside rear tire and spin it losing grip coming off of corners.

So I went in search of used 140 lb rear springs, but found 165 lb progressive springs instead. These also ended up needing no helper springs or adjustable perches as they had about the same ride height as the 100 lb springs I removed!

I was afraid of the way they would ride on the rough roads up here, but ended up improving the ride - firm but not harsh! I really like this setup for the street.

On the AX course the car was so much flatter it was like a different car! In fact other drivers noticed the difference and asked what I changed. I could use the throttle to steer and tire pressure could actually be used to fine tune! If anything it has a touch too much oversteer right now that I am going to tune out by adding adjustability to the stock bar and stiffening it up a touch, but it sure is fun to drive this way! With 140 lb springs the stock front bar would probably be about perfect.

So a big bar in the front without stiffening the back will result in an understeering car. I would suggest either stock bars at both ends with the 100 lb springs or the stock bar (or adjustable slightly larger bar) in front with 140-165 lb springs. I would only go to a big bar if I was going to go with 180+ lb springs and I don't think that is what you are looking for.
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Posts in this topic
wndsnd   Front Sway Bars   Aug 23 2013, 08:28 PM
pilothyer   Night and day difference.........drive one without...   Aug 23 2013, 08:52 PM
Trekkor   Install the largest you can afford. 31mm here. ...   Aug 23 2013, 09:05 PM
wndsnd   Install the largest you can afford. 31mm here. ...   Aug 23 2013, 09:32 PM
shoguneagle   Trekkor is a racing nut who is having fun!...   Aug 23 2013, 09:31 PM
Dave_Darling   The more expensive ones will move more smoothly, a...   Aug 23 2013, 09:47 PM
Trekkor   yes, sorry. For a road only, not tracked or autoc...   Aug 23 2013, 09:50 PM
r_towle   31mm? Did you go get a piece of pipe from Home De...   Aug 23 2013, 09:57 PM
chad newton   31mm? Did you go get a piece of pipe from Home D...   Aug 23 2013, 10:01 PM
Trekkor   I wish :) Smart Racing Products ( now Jerry Woods...   Aug 23 2013, 10:04 PM
scott_in_nh   Hi John, I think I gave you my 2 cents on this whe...   Aug 24 2013, 07:31 AM
wndsnd   This is what I have. The front A arms have the ta...   Aug 24 2013, 08:16 AM
r_towle   So, if you are using this as a street car, 19mm is...   Aug 24 2013, 09:11 AM
SLITS   The 914 was 13 or 15 mm. I don't remember whi...   Aug 24 2013, 09:27 AM
Racer Chris   The most economical choice is a 19mm basic Weltmei...   Aug 24 2013, 11:18 AM
wndsnd   The most economical choice is a 19mm basic Weltme...   Aug 24 2013, 11:54 AM
Racer Chris   Everyone agrees on the front bar, no-one ever tal...   Aug 24 2013, 06:28 PM
sixnotfour   don't forget the old H&H sway bars   Aug 24 2013, 11:04 PM
Racer Chris   don't forget the old H&H sway bars They ...   Aug 25 2013, 09:37 AM
gandalf_025   Hey John: Good to see you are working on the car ...   Aug 25 2013, 08:36 AM
wndsnd   Hey John: Good to see you are working on the car...   Aug 25 2013, 08:46 AM
sixnotfour   Automotion sold em out west before Weltmeister cam...   Aug 25 2013, 10:32 AM
Eric_Shea   A stock 15mm bar is my favorite for a street drive...   Aug 25 2013, 06:31 PM
wndsnd   just bought this stock set up off evil bay 15...   Aug 25 2013, 10:02 PM
Eric_Shea   Once you get it installed you'll be scratching...   Aug 25 2013, 11:35 PM
Racer Chris   I think that's a good value with all of the b...   Aug 26 2013, 08:00 AM
HalfMoon   I wonder what size would be good for my sb convert...   Aug 27 2013, 10:02 PM
wndsnd   I have not received the bar or supports yet, but I...   Aug 28 2013, 02:24 PM
Trekkor   Here's what comes with the Smart/JWE front bar...   Aug 28 2013, 02:37 PM
wndsnd   Gees, Just when I am starting to feel good about ...   Aug 28 2013, 02:49 PM
Eric_Shea   Yeah... that 31mm bar outta be "sweet-on-da-s...   Aug 28 2013, 04:03 PM


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