Ladder bar Adjustment??

When my car leaves the line with both front tires up off the ground it will go to the right just enough that I have to correct it. With a ladder bar set up what adjustment do I need to make? Thanks

more preload on the passenger side

Ideally, I would recommend you set the car on scales. However, if the car is pulling right, it usually means the left tire is planting harder, driving the car to the right. Some additional "pre-load" on the right side will often correct this. On a 4-link, this would be done by shortening the top bar on the right side. Since the bottom bar on the ladder bar is the adjustable one on most ladder bar setups, I would lengthen it about 1/2 turn.

If the car is setting fairly level to start with, this "pre-load" may cause the right rear corner to raise up slightly. In turn the left front will drop (I would take ride height measurements at all four corners before making adjustments). Tightening the left torsion bar will correct this, and in turn add a little more pre-load, which is why I would only adjust the ladder bars 1/2 turn at a time.

The first thing I would do is make sure the rear is square in the car.

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When my car leaves the line with both front tires up off the ground it will go to the right just enough that I have to correct it. With a ladder bar set up what adjustment do I need to make? Thanks

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You always want to make sure if everything is square so you have a good baseline. The chassis will follow the housing if it's crooked. If a bracket is bent,crooked, or you have a collapsed spring it's better to know first. Scaling the car will get you in the ball park, but it is not a cure all. Track testing will ultimately tell you what you need. In your case preloading the right rear (making the bottom of the right bar longer) by a few flats will probably help.
Doug