7474 and Stik,
Thanks again for the info.
My model may end up not having the correct cowl but, for my purposes, that's OK. It'll be close enough for me.
I found a page with a cutaway/schematic view of a TBM-1C which shows me most of what I needed to know.
Edit: I also found information on the differences in the cowls on this page:
http://www.airvectors.net/avtbm.html
Edit: (again) -: I just found more decals for TBM-3's with the tri-color scheme. Looks like I'm back to modeling a TBM-3 .
Thanks again.