I installed an ORD 3" lift kit on my m1009.
Identical to a 1986 K5 Blazer.
Front Tuff Country HD springs for 3" lift.
Rear Shackle flip for 4" lift.
Here is some testing video i made.
In the notes i have some info regarding driveshaft and pinion angles after shackle flip.
I looked a lot of...
Ok I have a 77 k20, rebuilt 350 th400 np241c with slip yoke. I have a fresh built drives shaft w/new Spicer factory style 1410 u-joints and 1410 slip yoke custom built for this truck. Also just had my 14bff rebuilt with a 1410 yoke 4.56 gears and a detroit. I re-welded my spring perches and set...