67 Barracuda project... narrowing 8 3/4 rearend

I had hoped to save some on the axle so I could go forward with suspension and transmission at the same time, Moser was my first choice but is very pricey. If I did go with moser should I consider the Dana 60 or 12 bolt? I was looking at: Ford 9" inch nascar rear end housings , chun for sale in SPARTA, TN, Price: $135 but of course I'm going to have to do a lot of research and build it myself (part of the fun!). Though I do know I will need an experienced person to set up the differential.

pricey -- not really --- your engine 650 hp , tranny Tremec ,, both pricey items but you want to save a few dollars and not make it around the track ,, let alone finish any event you enter ????? ---- do it once but do it right.
stay away from the Nascar housings ,, cheap yes ,,, but the housings are aligned to fit the car and track they will be used at .not too street friendly.


Dana 60 gear changes take time and gear ratio selection very limited ,, 12 bolt same issue and weaker ,,, 9 inch Ford best bang for the $$$$ spent. lots of gear ratios available from 2.50 -7.50 and readily available along with any parts you may need for it .