From a stock point of view:
289 2v C-code - 200bhp@4400 282ftlbs@2400
289 4v A-code - 225bhp@4800 305ftlbs@3200
289 4v K-code - 271bhp@6000 312ftlbs@3400
390 4v S-code - 320bhp@4800 427ftlbs@3200
If you need help finding a 390, they were offered in 1966(comet,fairlane),1967(comet,cougar,fairlane,mu stang),and 1968-69(cougar,fairlane,montego,mustang). Each year made a little different HP but torque was the same 427 pounds of chevy smoking power! Hope this helps!
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still lookin for the right stang!
wilkes-barre/scranton, pa
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