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Front uses a Spicer 1310 joint at the pinon flange. CV joint at the rear where the driveshaft bolts to the transfercase flange. You don't want to attempt to put a new CV joint in unless you've got a lot of experience. They're not easy.
By the way, the OEM new pinion yoke for your rear is...
1310 joint itself is actually weaker then the original. Only has 1 1/16" caps instead of the original 1 1/8" caps used in the 3R setup.
1310 has 1.06" caps and 2.34" wide between caps
3R has 1.125" caps and 2.55" wide between caps
1350 has 1.18" caps and 3.62" wide between caps
You can...
Proper procedure from GM with used collar
Ill advised by who?
Doing it correctly does not require a new crush collar. I'm interested in hearing why you feel otherwise. If no internal parts are being changed, using a new crush collar accomplishes nothing. A new collar is only needed when...
A new crush collar isn't needed just to put a new yoke on. Install the new yoke and tighten about 1/8 turn past zero-clearance. Care has to be used; that's all. I've seen many pinion bearings get ruined from over-tightening when new seals were installed.
534G joint is a Mechanics 3R type joint. Dana-Spicer # SPL-25-6X
Neapco # 2-3011BF Saginaw # 5-3147X
New yokes at many places e.g.
http://www.dennysdriveshaft.com/p1025_3r_series_pinion_yoke_for_chevy_and_gm_8.5_inch_10_bolt.html