If your getting that far into the engine you need to at least by yourself a haynes or chiltons repair manual for the vehicle your working on because in some cases you need to replace the head bolts.
150 horsepower ,torque is unknown
I believe it is rated at 145 horsepower and 265 ft/lb torque
The 352 V8 had 300 h.p. with 381 lb/ft of torque. The 430 V8 had 354 h.p. with 490 lb/ft of torque.
If this is the European Ford Focus Front hub nut torque is 300-332Nm.
Torque for the 300 6 intake and exhaust manifolds is 28 to 32 foot pounds
3 valves per engine cylinder starting in 2004 on the 5.4 L V8 engine 300 horsepower / 365 ft-lbs torque
In the Kawasaki KLF 300 Service manual.
The 300 cubic inch 6 cylinder is a great engine and IMO one of the best truck engines ever built. It has tons of torque and was best suited for a truck application where pulling power was needed. It does not have lots of horsepower but has more torque than a 302 V8. Click the link for more information.
The 5.4L Triton V8 in the 2004-2008 Ford F-150s puts out 300 hp and 365 lb-ft of torque.
The 1996 Ford Mustang Cobra has a 4.6 Liter DOHC (Dual Overhead Camshaft) V8 engine. This engine is capable of producing 305 horsepower and 300 lb-ft of torque.
The 2006 Chrysler 300's engine produces 190 ft-lbs. @ 4000 rpm.
The 2014 Chrysler 300's engine produces 260 ft-lbs. @ 4800 rpm.