Get it chipped and tuned by a rolling road
31
31 Gallons
you should be able to put 31/10.50/15 or alittle more
If its a 4-barrel carb, its 310hp. If it has the W-31 option it was 325hp. Both were considered "high compression" engines. There was a 2 barrel carb 350 cu in that had only 250 hp. Hope this helps.
+31
31-32 mpg
31 hp mine is a 167 and its about 335 hp and about 600 fpt
31 gallons give or take
31 x 10.5
31 I'lL
31 gallon tank(s)
green