Check the engine code in the VIN. It is the letter in the 5th position from the left. M - 350 cu. in. 150 hp N - 350 cu. in. 175 hp R - 400 cu. in. 170 hp S - 400 cu. in. 200 hp T - 400 cu. in. 230 hp
240-245 hp
250 HP @ 4400 rpm, 350 ft lbs torque @ 2400 rpm.
Somewhere in the area of 150-170 HP.
150
How much horse power does a 1969 Pontiac GTO have ? 1969 gto had seven different block codes and a total of four different horse power ratings as follows: WS @ 366 hp, WT @ 350 hp, WW @ 370 hp, XP @ 370 hp, XX @ 265 hp, YS @ 350 hp, YZ @ 366 hp. The 366 hp were Ram Air III motors and the 370 hp were Ram air IV motors. All WW blocks were manual trannys and the other block codes were automatic trannys.
255 HP and 335 Pounds of torque
Truck or car truck 210 hp
a 350 will produce around 250 hp, and a 305 about 200 hp
The 1994 Pontiac 3.8L V6 has 170 hp.
Which 455? Buick, Oldsmobile, Pontiac? The most powerful 1973 455 would be the Pontiac 455 Super Duty rated at 290hp @ 4000rpm. It was underrated, since factory stock examples were running 13.5-13.9 @ 103-107mph at the drags, which requires more than 290Hp. Car and Driver tested one with an automatic and it ran 13.751 @ 103.6 with a stock tires and a full tank of gas. The weight of a 1973 Pontiac Trans Am would require at least 350-375 hp to turn those numbers.
There are many different versions of that engine ranging from 145 hp to 205 hp.