the 7.4 vortec 454 has 290 horsepower and 410 ft lb or torque
71 inch pounds the first pass...Then 13 foot pounds to finish it...71 inch pounds is aprox.6 foot pounds..
454 engine torque is 752 pounds of torque
We need to know size engine you have.
what are the factory timing specs for a 1977 chevy 454
290 HP
The life expectancy of a timing chain on a 1999 454 Vortec engine is 5 to 10 years. The exact time depends on how often the vehicle is driven.
The horsepower of a 1991 Chevrolet 454 cubic inch engine ranges between 240 horsepower and 350 horsepower the engine torque ranges between 700 pounds and 850 pounds.
245 h.p. and 385 lb/ft torque.
250 hp and 530 nm torque The 1998 Chevy 454 had stock HP figure at 290 and torque at 410lb ft.
A 1995 454 engine normally found in Chevy Suburban's produced exactly 230 horsepower and 385ft-lbs torque in stock form.
vortec 454,1996 thru 1999-->>>290HP 410TQ
YES it is.