1981 would have been rated at 140HP actually. I know the police versions of the 351W "HO" would have gotten a different cam and valve springs, but I have no idea if they offered that package to civilians and labeled it High output VS a regular 351w without the cam and springs...
I can tell you putting just a decent exhaust on it helps with power. I made 170HP/270Tq at the wheels
I can tell you putting just a decent exhaust on it helps with power. I made 170HP/270Tq at the wheels
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