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Old 10-01-2007, 07:41 AM   #1
kike_ej20
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Default Swaybars & Drag Racing

Please, express your thoughts,opinions and/or facts based on this topic.

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Old 10-01-2007, 08:49 AM   #2
wcbjr
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Not needed if it's a dedicated drag car. Hell, you dont even "need" them on the street if you have your struts set real stiff. Of course, the car still won't handle well.
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Old 10-01-2007, 09:13 AM   #3
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Originally Posted by wcbjr View Post
Not needed if it's a dedicated drag car. Hell, you dont even "need" them on the street if you have your struts set real stiff. Of course, the car still won't handle well.
I thought that on AWD cars,swaybars( stiffer/bigger ones) would help with the grip out of the line.
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Old 10-01-2007, 11:20 AM   #4
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Originally Posted by kike_ej20 View Post
I thought that on AWD cars,swaybars( stiffer/bigger ones) would help with the grip out of the line.
swaybars do nothing in a straight line. the only time in drag racing they would make any difference is if you have a car that is prone to wheel hoping, it might help a little with that.
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Old 10-01-2007, 11:31 AM   #5
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Quote:
Originally Posted by kike_ej20 View Post
I thought that on AWD cars,swaybars( stiffer/bigger ones) would help with the grip out of the line.
I don't consider myself an expert, but I doubt they would really help at all. A swaybar resists having one side of the car rise or fall versus the other side of the car. Upon launch, the entire rear of your car will squat and the front will rise. There are no forces for the swaybar to act against. The only thing changed is you have a bit of extra weight to pull with you.

Please correct me if I am wrong.
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Old 10-01-2007, 11:34 AM   #6
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no turn, no need.
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Old 10-01-2007, 12:00 PM   #7
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swaybars do nothing in a straight line. the only time in drag racing they would make any difference is if you have a car that is prone to wheel hoping, it might help a little with that.
Why then would the V8/RWD community unhook the FSB and get a stiffer/bigger RSB for traction? ....that is so they can lift the front tires and distribute the weight where is needed.. THE BACK TIRES

Quote:
Originally Posted by RexFTW View Post
I don't consider myself an expert, but I doubt they would really help at all. A swaybar resists having one side of the car rise or fall versus the other side of the car. Upon launch, the entire rear of your car will squat and the front will rise. There are no forces for the swaybar to act against. The only thing changed is you have a bit of extra weight to pull with you.

Please correct me if I am wrong.
read above
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Old 10-01-2007, 12:20 PM   #8
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Some guys I know,will run no sway on the rear..not sure how safe that is,but you really don't need one going in a straight line.
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Old 10-01-2007, 12:44 PM   #9
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Originally Posted by kike_ej20 View Post
Why then would the V8/RWD community unhook the FSB and get a stiffer/bigger RSB for traction? ....that is so they can lift the front tires and distribute the weight where is needed.. THE BACK TIRES

read above
they do it because they make enough torque so that the the body of the car twists as it lifts the front of the car/weight transfers.

removing the fsb lets the front end lift up more naturally and in the back they use anti roll bars like this one http://chassisengineering.com/products/908.jpg

it has no flex where a sway bar would have some flex. keeps the rear end level.

subarus that makes that kind of torque are definately few and far between. so for all intents and purposes, its safe to say its a waste of time to think of how swaybars will affect your subaru in drag racing.
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Old 10-01-2007, 02:25 PM   #10
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Originally Posted by Antyoo View Post
they do it because they make enough torque so that the the body of the car twists as it lifts the front of the car/weight transfers.

removing the fsb lets the front end lift up more naturally and in the back they use anti roll bars like this one http://chassisengineering.com/products/908.jpg

it has no flex where a sway bar would have some flex. keeps the rear end level.

subarus that makes that kind of torque are definately few and far between. so for all intents and purposes, its safe to say its a waste of time to think of how swaybars will affect your subaru in drag racing.
Look....they use sway bars. Go to any V8 forum and ask. I'm by no means starting a fight..I just want to know if those aftermarket SB that we use on our subies would help with the 60's.

BTW...take a look http://www.thunderracing.com/catalog...id=195&pcid=93



Looks like a SB to me
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Old 10-01-2007, 02:44 PM   #11
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Quote:
Originally Posted by kike_ej20 View Post
Why then would the V8/RWD community unhook the FSB and get a stiffer/bigger RSB for traction? ....that is so they can lift the front tires and distribute the weight where is needed.. THE BACK TIRES
A swaybar has absolutely no effect on or relation to lifting the front of the vehicle. You need to understand what a swaybar does.

If a vehicle with sway bars is going 100mph in a straight line down a highway, the swaybars are doing absolutely nothing. If a vehicle is going 15 mph in a straight line over a long speedbump, the swaybars are doing absolutely nothing. If you put the car up on 4 jackstands, the swaybars are still doing absolutely nothing. The only time swaybars will do anything is when the left and right of the vehicle are not at the same spring bound/rebound.
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Old 10-01-2007, 02:53 PM   #12
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Quote:
Originally Posted by kike_ej20 View Post
Look....they use sway bars. Go to any V8 forum and ask. I'm by no means starting a fight..I just want to know if those aftermarket SB that we use on our subies would help with the 60's.

BTW...take a look http://www.thunderracing.com/catalog...id=195&pcid=93



Looks like a SB to me
They use sway bars because they have solid axles. The driveshaft of the car actually twists the axle, and lifts the passenger side rear tire off the ground. For them, a sway bar prevents this from happening.

Since subarus have independent rear suspension (and they're all wheel drive for that matter) a sway bar will do jack squat.
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Old 10-02-2007, 09:52 AM   #13
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I think a sway bar will neither hurt or help you at the drag strip.The only advantage i can see from removing it would be weight savings.Leaving It could help a wheel hop issue. My car pulled high 1.6s with my cusco rear sway bar still on the car. This was with 32psi in the fuzion zri tires(235/40/17) Ill let you know what i pull on radials here in a couple weeks.
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Old 10-02-2007, 11:59 PM   #14
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Quote:
Originally Posted by remowgn View Post
They use sway bars because they have solid axles. The driveshaft of the car actually twists the axle, and lifts the passenger side rear tire off the ground. For them, a sway bar prevents this from happening.

Since subarus have independent rear suspension (and they're all wheel drive for that matter) a sway bar will do jack squat.

There it is. Question answered
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Old 10-03-2007, 12:47 AM   #15
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There it is. Question answered
Exactly, don't be "swayed" by these people, hmmm?
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Old 10-03-2007, 03:40 AM   #16
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Exactly, don't be "swayed" by these people, hmmm?
Wow, that was amazingly clever. I'm going to write that down.
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