drag bags
TECH Senior Member
iTrader: (3)
Joined: Oct 2006
Posts: 7,564
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From: Decatur, TN (N-W of Athens)
I presume they help to cut down on the frame twist on the launch and aid to keep the car level for improved traction. But apparently I don't know anything according to many users lol
As I understand it, it's not so much to do with frame twist. There is a certain amount of that going on if you don't have connectors and a cage, etc. But, on the initial hit the body will roll towards the passenger rear and the axle will want to "ride" up the ring gear. The air bag uses the body movement to "plant" both tires. A big sway bar and good shocks will do the same thing, but the air bag adds fast adjustment for track conditions when used with them.
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TECH Senior Member
iTrader: (3)
Joined: Oct 2006
Posts: 7,564
Likes: 4
From: Decatur, TN (N-W of Athens)
As I understand it, it's not so much to do with frame twist. There is a certain amount of that going on if you don't have connectors and a cage, etc. But, on the initial hit the body will roll towards the passenger rear and the axle will want to "ride" up the ring gear. The air bag uses the body movement to "plant" both tires. A big sway bar and good shocks will do the same thing, but the air bag adds fast adjustment for track conditions when used with them.
Not actual twisting.Oh well, you cleared it up lol
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Wow, this is great Info...
Has anyone noticed that this mod helps with 'wobble'? Since the 4.10s, she's had a 'wobble'... that word describes it best...
It use to be that I could drive that car down the track with one finger... I mean it was nothin'.
Recently, she explodes out of the whole and is all over the place... it takes serious steerage to keep her down the middle. Has anyone else noticed this? And did this mod help with this wobble?
BTW: I deleted the front sway bar months ago and it lightened the load and added some traction... never had a problem before the new gears. Of course since the Mickey's traction hasn't been a problem... so maybe the swaybar should go back on... I dunno.
Has anyone noticed that this mod helps with 'wobble'? Since the 4.10s, she's had a 'wobble'... that word describes it best...
It use to be that I could drive that car down the track with one finger... I mean it was nothin'.
Recently, she explodes out of the whole and is all over the place... it takes serious steerage to keep her down the middle. Has anyone else noticed this? And did this mod help with this wobble?
BTW: I deleted the front sway bar months ago and it lightened the load and added some traction... never had a problem before the new gears. Of course since the Mickey's traction hasn't been a problem... so maybe the swaybar should go back on... I dunno.
I have had good success running 10-12 psi on the pass side. They do work.
__________________
95 Pontiac Formula- Stock engine with ATI Procharger, Moser 12 bolt w/4:30 gears, Rossler trans, Neil Chance 4000 stall, M/T ET streets, 10.914@ 121.90mph, 1.452 60ft. GMHTP November 2010 Feature Car. Check it out at:
https://www.motortrend.com/features/...ebird-formula/
http://www.youtube.com/watch?v=abZ1z...ature=youtu.be
95 Pontiac Formula- Stock engine with ATI Procharger, Moser 12 bolt w/4:30 gears, Rossler trans, Neil Chance 4000 stall, M/T ET streets, 10.914@ 121.90mph, 1.452 60ft. GMHTP November 2010 Feature Car. Check it out at:
https://www.motortrend.com/features/...ebird-formula/
http://www.youtube.com/watch?v=abZ1z...ature=youtu.be
Only way to tell is to try it. Get a feel for the track with some consistent 60ft. times, then air up the bag and see what happens. I run 20lbs. in mine and it definately seems to help with the nitrous launches.
That was the week before we installed the 4.10s... I'll run it up to 18 next week and see if that helps. Thanks.
I have a BMR Extreme sway bar in my car. I have it set at zero preload and use the air bag instead. I feel that it performs better down track that way. My Stocker cuts low 1.3 sixty foot times on 9" tires.
Wow, this is great Info...
Has anyone noticed that this mod helps with 'wobble'? Since the 4.10s, she's had a 'wobble'... that word describes it best...
It use to be that I could drive that car down the track with one finger... I mean it was nothin'.
Recently, she explodes out of the whole and is all over the place... it takes serious steerage to keep her down the middle. Has anyone else noticed this? And did this mod help with this wobble?
BTW: I deleted the front sway bar months ago and it lightened the load and added some traction... never had a problem before the new gears. Of course since the Mickey's traction hasn't been a problem... so maybe the swaybar should go back on... I dunno.
Has anyone noticed that this mod helps with 'wobble'? Since the 4.10s, she's had a 'wobble'... that word describes it best...
It use to be that I could drive that car down the track with one finger... I mean it was nothin'.
Recently, she explodes out of the whole and is all over the place... it takes serious steerage to keep her down the middle. Has anyone else noticed this? And did this mod help with this wobble?
BTW: I deleted the front sway bar months ago and it lightened the load and added some traction... never had a problem before the new gears. Of course since the Mickey's traction hasn't been a problem... so maybe the swaybar should go back on... I dunno.
the MT will have that wobble
I just noticed that you are running an 11.5" tire. What size rim are you using? If you are running a wide tread on a narrow rim it can be hard to find the sweet spot. If you have too much pressure they will have a crown and only have contact in the center of the tread. If they don't have enough air they will cup which causes the outsides of the tread to have contact.
