flip kit in rear, and cut v6 springs up front.

 

looks like im gonna stick with the 2 piece and balance it

 

That sounds like your best bet.

 

That sounds like your best bet.

 

That's the best plan. Most that have one piece shafts will upgrade to the two piece shafts if they are concerned about extreme hp levels, or reaching the driveline's critical speed.

I think more of these drivelines break because they reach critical speed, rather than hp levels.

 

Good thing to keep in mind

 

all Ive done is swap to my 4L80E yoke, but thats only because I needed to for the trans swap... I've chunked the thing out of the truck three times over the years and just slapped new U joints back in and gone down the road. Thats back when I had bad pinion angle problems. since I resolved that, no problems. the shafts, center U joint, carrier bearing and support are all stock.

 

new yoke and joint up front for trans change and alterted the pinion angle and have the belltech swing bearing bracket and adjusted the pinion angle on that and the axle to achieve -2 and i was at 148 last night with no problems