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I know what I'm doing Sunday

Posted: Sat Dec 02, 2006 4:16 am
by jamal
Finally installing the 20mm 2.5GT front swaybar I've had sitting in my room.

I got a package:

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Yay another sticker that gets to go in the drawer with all the other ones that aren't on my car.

$50 Swaybar hotness:

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That's a 53% increase in swaybar stiffness right there, which should go along nicely with the stiff bushings and kartboy endlinks. This is probably only going to hold me over for a short period of time before I go shopping for bigger front and rear bars. I like the sound of 22mm front 20-24mm rear.

I got the bushings from racecomp engineering for $38 shippped or something. I can't use the GT bushings because the BD/GD cars have a bigger mounting bracket and bushings.

Posted: Sat Dec 02, 2006 4:46 am
by Yukonart
SWEET!

All I'm doing Sunday is hitting a gun show, watching the Seahawks game, and doing other random shit. :D

Posted: Sat Dec 02, 2006 5:25 pm
by Subtle
My twgn is v. happy with the 20 on front and the rear 20-24, set at 20.

Works good on mountain roads with a full load of camping gear as well as a canoe on the roof.

With 18 feet of the latter , one is interested in some understeer, rather than oversteer---especially in cross winds. :shock:

Posted: Sat Dec 02, 2006 6:08 pm
by 0perose
my xt6 came stock with 19mm

they're nice but I still get some body roll

is it possible that body roll is just from my kinda worn out springs/struts?

(sorry for hijack, but it's kind of relevant, I swear! ;) )

Posted: Sat Dec 02, 2006 11:52 pm
by Imprezive
Super random fact: The Subaru XT has a coefficient of Drag of .29

Posted: Sun Dec 03, 2006 12:14 am
by Binford
Imprezive wrote:Super random fact: The Subaru XT has a coefficient of Drag of .29
I knew that. 8)

Posted: Sun Dec 03, 2006 2:01 pm
by jamal
0perose wrote:my xt6 came stock with 19mm

they're nice but I still get some body roll

is it possible that body roll is just from my kinda worn out springs/struts?

(sorry for hijack, but it's kind of relevant, I swear! ;) )
Yeah, but a swaybar is twice as effective at reducing body roll as springs. I have fairly stiff springs already though too (224/195 lb/ft).

Posted: Sun Dec 03, 2006 4:10 pm
by monty's legacy
Imprezive wrote:Super random fact: The Subaru XT has a coefficient of Drag of .29
wow, thats a lot lower than I ever would have expected

Posted: Mon Dec 04, 2006 12:19 am
by entirelyturbo
All Alcyones had a .29 drag coefficient.

Derrick, I thought you had a 20mm front bar? Isn't yours AWD?

Either way, you can still have lots of body roll from worn-out struts.

Posted: Mon Dec 04, 2006 7:59 am
by jamal
well I was lazy/sleeping most of the day and didn't get much done. After tailgating yesterday, then going out for sushi/sake bombing, then having a party at my house I was tired and slept in with the lady friend. I did just clean up the bar though.

Rubberized underbody coating, bbq cleaner I found downstairs, steel wool, sandpaper, and some rags:

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As you can see the 2nd gen bushings are bigger. 1st gen bushings are the same front and rear.

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Sandpaper and bbq cleaner worked pretty well to clean off the surface rust and grime:

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The bushings fit perfectly over the coating, although there is a small gap when I put it on the unpainted section. Maybe I'll measure it with some calipers tomorrow. I expect this spray on stuff to work pretty well.

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Posted: Mon Dec 04, 2006 6:29 pm
by 0perose
subyluvr2212 wrote:All Alcyones had a .29 drag coefficient.

Derrick, I thought you had a 20mm front bar? Isn't yours AWD?

Either way, you can still have lots of body roll from worn-out struts.
it is "technically" 19mm but 20mm bushings fit fine 8)

I'll see about the struts, thanks

Posted: Mon Dec 04, 2006 7:12 pm
by BAC5.2
Swaybars increase the effective spring rate of a spring. Under cornering load, you can get excessive body-roll simply from having under-damped struts (lots of bounciness), or worn struts.

Big bars can hurt handling in cars that are already under-damped to begin with.