advice needed on buying a 5.0

[Will G]

Hi this is my first post here...
I own a 1991 Camaro Z28, which im very close to having sold, im looking to go back to the mustang (last car was an 88 LX 4 banger), i dont have anything against the camaro, but im feeling drawn back to the Fox Body for some reason...anyhow I've narrowed it down to 91-93 LX hatcback T-5 or GT T-5.
I know the notchback is suppossed to be a little faster, but i like the hatch...anyhow, there are a few im looking at and i would appreciate advice on what to look for in spotting problems, anything ford specific (like how small block chevy's are know for puffing smoke on startup, or how LT-1's are known to leak oil from the front of the intake manifold)

thanks

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-Will
1991 Camaro Z28
350/5.7 TPI
TH700-R4 auto