Too much caster will make the truck drive really nice and straight down the road and result in good stable handling, so no worries there. However, too much caster can introduce vibrations from your front driveshaft, or potentially cause interference between your tie rod and radius arms.
What brand caster plates did you get?
For what it's worth, I'm running Landtank plates designed for a 4" lift on a vehicle with 50mm (2") lift springs (measures closer to 3" by the measuring tape), and it works awesome, no problems for me.
What brand caster plates did you get?
For what it's worth, I'm running Landtank plates designed for a 4" lift on a vehicle with 50mm (2") lift springs (measures closer to 3" by the measuring tape), and it works awesome, no problems for me.