torsion bars?

I want to make some lift on my 99' Tahoe but i just dont' have the money for a 6in suspension lift right now(nor will i have it for a while) but i want to add some ride height. i saw a kid with a 2dr tahoe(i have a 4dr) that said he "tightened his torsion bars"? i'm not fluent with parts talk so i think that was the word he use at least. Give me some feedback on this. How much lift will it give? Are there any advantages? What are the disadvantages? How will it effect the suspension? if there aren't any disadvantages then y don't they do this from the factory? ALL FEEDBACK ON THIS SUBJECT IS WELCOME, AND THANKYOU IN ADVANCE!!!

He probably mentcranking the torsion bars up which is actually the act of turning the bolt on the torsion bar key. The torsion bar is attatched at one end to the frame of the truck via the torsion bar key and the lower A arm at the other. Turning the bolt will rotate the torsion bar and increase the angle of the lower A-arm, hence lifting the truck in the front. There are several options such as purchasing new torsion bars, torsion bar keys, or just using the stock bars and keys. Just do a little research and search this site because there are SEVERAL threads on this issue that will tell you everything you need to know.

Hope this helps.

If you do this I would immediately take it to the nearest allignment shop and have them allign it and adjust the camber. It will then ride like a tractor. :-)