The Pontiac W72 400 was unrated at 220 hp, actual was about 270, not bad for the late 70's, was quicker than the Corvette at high 14's, low 15's in the 1/4. Did you forget the 73-74 Super Duty Trans Am as well? There is rumor, once sbc powered Chevy would not allow Pontiac to make as much power as even the Camaro. A couple of former Olds employed talked about how Chevorlet threw such a tantrum,( I picture a kid throwing themselves on the floor, screaming turning blue or ******** themselves)🙂. When Oldsmobile was about to release their 650 hp Hemi 455, it never came be for a few other reasons, looming insurance hikes and emissions. The motor made 400 hp with 8 to 1 compression and a .400" lift cam! Everybody knows in GM nothing could make more power than the Corvette. The Grand National and TTA numbers are proof of that. Competition among divisions made GM the best, now there is no divisions that count anymore. Buick will never sell anything worth buying again. The only interesting thing is Cadillac's new V8. Wonder why a lot of us don't care anymore? I didn't know about the 350 TPI 5 speed, interesting, there must have been T-5's dying under warranty or it would have continued.
Of those three, the Buick blows them away. The Pontiac V8's were always competitive, just like Buick and Olds were. I mentioned the the 78 and 79 400 4spd Firebird and the 73 and 74 Super Duty, actually makes it 4 years, all Pontiac power. Getting back to this thread, notice how Dodge's Hellcat Redeye makes 100 hp more than GM's 6.2 Supercharged V8? Of course even Ford's 5L truck motor makes more power than GM's 5.3, good job GM.
