" 18 foot boat volvo 270T with
" 18 foot boat volvo 270T with a 318 Chyrsler, valve covers say 225 H.P. but some one has put a automotive engine in place of. Very low on power, tryed heads, intake, carb, ignition system. Whould like to O/H to oem specs, but can't find any specs. need; c.r...