A while back I had the idea of compiling a list of threads that contain helpful info about refinishing a bass. Here's an attempt at that compiled thread. Many of these require you to actually read through the thread to get solid information.
And please - you can ALWAYS do your own search with specific terms. There's plenty of good info not linked in this post.
Stripping a body:
http://www.talkbass.com/forum/f18/stripping-bass-guitar-nitro-724456/
http://www.talkbass.com/forum/f8/stripping-paint-760287/
Stripping polyurethane:
http://www.talkbass.com/forum/f8/anyone-ever-tried-stripping-poly-off-bass-refinishing-402524/
http://www.talkbass.com/forum/f57/heat-gun-poly-strip-progress-poly=gone-342563/
Refinishing:
http://www.talkbass.com/forum/f18/refinishing-bass-6548/
http://www.talkbass.com/forum/f8/ash-body-bass-best-way-finish-115493/
Sealing / filling the body:
http://www.talkbass.com/forum/f57/begun-prepping-body-finish-what-next-145565/
http://www.talkbass.com/forum/f18/complete-overhaul-refinishing-help-699190/
http://www.talkbass.com/forum/f57/problem-finish-512437/
http://www.talkbass.com/forum/f57/grain-filler-finish-376391/
http://www.talkbass.com/forum/f57/grain-filling-679706/
http://www.talkbass.com/forum/f57/best-method-sealing-wood-prior-painting-753136/
Shooting a new finish:
Nitro info:
http://www.talkbass.com/forum/f57/nitro-cell-lacquer-finish-schedule-tutorial-504392/
http://www.talkbass.com/forum/f18/color-finish-over-clear-nitro-finish-708452/
Danish oil:
http://www.talkbass.com/forum/f57/danish-oil-370906/
http://www.talkbass.com/forum/f57/tell-me-about-watco-danish-oil-223301/
http://www.talkbass.com/forum/f57/oil-finish-688808/
Tru-Oil:
http://www.talkbass.com/forum/f57/so-whats-your-oil-finish-mix-322291/
http://www.talkbass.com/forum/f3/true-oil-finish-vs-oil-varnish-426409/
If you know of some excellent threads, please post them in response and I'll add to this one.
And please - you can ALWAYS do your own search with specific terms. There's plenty of good info not linked in this post.
Stripping a body:
http://www.talkbass.com/forum/f18/stripping-bass-guitar-nitro-724456/
http://www.talkbass.com/forum/f8/stripping-paint-760287/
Stripping polyurethane:
http://www.talkbass.com/forum/f8/anyone-ever-tried-stripping-poly-off-bass-refinishing-402524/
http://www.talkbass.com/forum/f57/heat-gun-poly-strip-progress-poly=gone-342563/
Refinishing:
http://www.talkbass.com/forum/f18/refinishing-bass-6548/
http://www.talkbass.com/forum/f8/ash-body-bass-best-way-finish-115493/
Sealing / filling the body:
http://www.talkbass.com/forum/f57/begun-prepping-body-finish-what-next-145565/
http://www.talkbass.com/forum/f18/complete-overhaul-refinishing-help-699190/
http://www.talkbass.com/forum/f57/problem-finish-512437/
http://www.talkbass.com/forum/f57/grain-filler-finish-376391/
http://www.talkbass.com/forum/f57/grain-filling-679706/
http://www.talkbass.com/forum/f57/best-method-sealing-wood-prior-painting-753136/
Shooting a new finish:
Nitro info:
http://www.talkbass.com/forum/f57/nitro-cell-lacquer-finish-schedule-tutorial-504392/
http://www.talkbass.com/forum/f18/color-finish-over-clear-nitro-finish-708452/
Danish oil:
http://www.talkbass.com/forum/f57/danish-oil-370906/
http://www.talkbass.com/forum/f57/tell-me-about-watco-danish-oil-223301/
http://www.talkbass.com/forum/f57/oil-finish-688808/
Tru-Oil:
http://www.talkbass.com/forum/f57/so-whats-your-oil-finish-mix-322291/
http://www.talkbass.com/forum/f3/true-oil-finish-vs-oil-varnish-426409/
If you know of some excellent threads, please post them in response and I'll add to this one.