Would I need a longer driveshaft?

[swak6287]

I have a 99 SOHC. Mods are 3"BL, AAL, Shackles, TT, 3" spindle, and am currently riding on 35s. I have B-rated Torsion bars which i can still lift the front. Now, i am thinking of SOA and a few more inch off the front TT. How do I know if I need longer shaft. It is 2wd. dont even ask about the gears i am running.. lol.
Right now from the ground to the top of the truck is 7 feet. U know, we all want it to grow bigger... it is a men thing.
Thanks.

 

[swak6287]

nobody???

 

[dkchrist]

torsion twist no, the soa i dont think that you need a new shaft

 

[Dan Whitaker]

You will need to rotate the axle up because the SAO will change the pinion angle.