66 C10 with 283 motor and drivetrain questions

[SulphuriousSam]

Hi all I'm fairly new to the forum so if this a frequent question please forgive me

I recently acquired a 66 Chevy C10 with what I believe to be the original 283 and three on the tree. Can anyone help me with what would have been the factory transmission and rear end on this one? I haven't had the opportunity to dig around and find the serial number on the engine yet but it has a Rochester 2 bbl carb and not the four bbl. I thought I read somewhere that the 327 had a 4 barrel carb hence my 283 assumption.

If it is factory and 283 what would my best bet be for freshening it up and perhaps adding a little pep to her step? I already plan on new rings (smokes really bad right now but she sat idle for 8 yes). Any ideas and help would be much appreciated. This is my first restoration and I've always been more of a driver than a mechanic. I guess I shoulda paid more attention to the Old Man as a kid I guess
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