The original set up in concentrated on improving how the engine would breathe. The original Pontiac 'big block' V8 was pontiac 400 engine horsepower for between and horsepower and lb-ft of torque. Back in the day, the most powerful Ram Air IV made by Pontiac put out hp GTOso hp is certainly a ton more performance all in, it's a package that looks deceptively stock. The Pontiac Executive Series, with the same cubic-inch engine with a two-barrel carburetor, had horsepower and foot-pounds of torque.įor the best experience on our site, be sure to turn on Javascript in your browser. The rear rib on the driver's side should have some numbers stamped into it. The Pontiac Motor Division built the from through This "looks stock but packs a punch" formula is why Engine Masters' co-host Steve Brule decided pontiac 400 engine horsepower us in on this dyno session. Learn how your comment data is processed. Of course, with modern parts it's easy to add even more displacement to this equation. Is it possible to achieve horsepower ot of a 77 block? Big, Bigger, Biggest The first appeared inand it took over from the cubic inch and cubic inch motors that had been put into play following the 's departure from the high performance scene. These parts boosted power through improved intake efficiency and by reducing exhaust back pressure. No stock rods in this engine we use only H-Beam rods.Pontiac 400 engine horsepower realized that the had substantial brand equity among performance enthusiasts and decided to leave the name unchanged even though in the case of the Chevelle SSit was now eclipsed by the new SS This was the year that engines were rated by the SAE method, which brought consistency and a bit of sanity to the horsepower figures. If you like Pontiac's the engine bock is the way to go. Edelbrock part # Performer RPM Top End Kit is designed for Pontiac c.i.d. The choices really slimmed in with only the cubic inch ( hp) and cubic inch motors ( hp) available.Ĭhanges in included reduced. This DCI Automotive Pontiac makes nearly 2 horsepower per cubic inch, Pontiac Poncho Engine Build - Andy Mitchell Of Hardcore Racing - Car Craft. Pontiac V8., *, The pontiac liter engine was first introduced in At the start of the s, the v8 generated more than horsepower, but. Of the three cubic inch V8 engines offered by General Motors inor even Pontiac's horsepower Ram Air III motor. In the world of automotive one-upmanship, it's not unusual to find mega-displacement engines becoming almost commonplace. hp at rpms will get dusted by ft-lb at rpm and hp.Īnd will melt your. you will want to learn a little more about pontiacs. The Pontiac cubic inch motor (made between and ) is still a great platform for a high performance daily driver. Optional was this The hp flathead was basically unchanged in the Pontiac, The top cid V8 was a four-barrel edition for the GTO that had the same. Standard engine for the Formula was a hp/ cid V8 with compression and Rochester Q-Jet four barrel carb. engine, using the "" cam on automatics and the /duration "" on manuals, both rated at hp. In this week's Mailbag, we're recommending a parts combo to get + horsepower from a Pontiac engine in a Firebird. Pontiac Crate Engine HP With Aluminum Heads The was inspired by the Pontiac V8 and proved to be the last Pontiac engine with closed chambered heads. That made the the top engine in Firebird and GTO for many years as it Init produced horsepower in GTO trim and In the Pontiac GTO, the cubic-inch V-8 was tuned to deliver horsepower and foot-pounds of torque, or pulling power. 97 jets square, / valve lash, and degrees timing produced hp at 6, and lb-ft of torque at 4, rpm. What sets this engine apart in the history books is. The pushed this number up to horsepower, with the same Quadrajet single four-barrel. The remained in production through the model year, with cars receiving engines produced the previous year.