Re: 8.8 Gear Pattern Check
Get on ringpinion.com they give you detailed instructions and photos on correct gear tooth patterns.
From what I can tell from the photos supplied, your drive looks fine, coast looks off. Try adding another pinion shim.
1993 Ford Ranger Ext. Cab | stepside | 4x4 | 4.0L | Lifted | 35" BFG KM2s | MT Classic IIs | Dana 35/Disc 8.8 with 4.56's | Duals | Etc