Spring pad placement Q...

[Metal Twister]

Im going to be relocating my spring pads on the back axle. I just installed a 10" spring lift on the front and 8" on the rear. How much do I want to move the pinion up for the correct drive shaft angle. I have one 7 degree wedge in it now but I'm not really sure that is enough? Any rules of thumb on how to achieve the correct angle?

 

[cybrfire]

You need an angle finder and take some measurements on your tcase output and axle yoke to find out where your angles are.

Different drive shafts will need a different setup.

 

[Hogback Fabrication]

What kind of truck?

What kind of driveshafts?

 

[Metal Twister]

What kind of truck?

What kind of driveshafts?

It is a 77 Jimmy 350, TH350, 203TC. As far as drive shafts go, they are after market (built locally) but in the stock configuration. I can lengthen or shorten and balance them in the shop so I am more interested in the angles. I haven't picked up the 14bff yet. I will be getting it in the next couple of weeks and was trying to get my head around what I need to do before hand.