Does it matter or not? I have not put mine back on yet after I installed my Ford 9" though I have the parts. Does it make that much a difference with it installed vs. not installed?

I managed to cut a 1.93 60' on a set of nittos on my blown 355. no LCA brackets.

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-86 IROC
Vortech stuffed EFI 406 in progress
-=ICON Motorsports=-

 

You don't really need it but it really helps. Anything that helps keep both tires planted on the ground will help. The sway bar will prevent the right wheel from lifting. You can increase traction even more by using air bags in the springs.

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Stephen's racing page

87 IROC-Z Pro ET Bracket Race Car and knocking on the SuperPro ET class
383 stroker (carbed) with double hump cast iron heads and pump gas
Best ET on a time slip: 11.857
Best corrected ET: 11.163
Best MPH on a time slip: 117.87
Best corrected MPH: 126.10
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!

Member of the Calgary Drag Racing Association

 

Keep the front sway bar off, and run the biggest rear sway bar you can get on there. The rear sway bar really helps control body roll on launch.

Steve

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Spohn Performance, Inc. - F-Body Suspension Specialists

 

yeah believe me I seen a car with no rear sway bar on with a 9" as well....the car looked like it wanted to pull one of the rear wheels too! lol....

get the biggest one (there are some honking big ones for thirdgens IRS sells) like Steve said or opt for the Wolfe Racecraft or Comp Engineering makes one similar to Wolfe for cheaper but just needs to be modded to work