The Ram Air IV was rated at 335 horsepower and the standard Pontiac 400 was rated at 265 horsepower. After you'd done with episode 1, watch, sign up to the MotorTrend YouTube channel, big-block Chrysler crate engine rated at 750hp, 10 Reasons Youre Better Off With a Big-Block Ford. The goal is to make it run and drive like a new Hellcat-powered Challenger, but with the classy good looks of the original E-Body. General These cookies will be stored in your browser only with your consent. The first plug-in vehicle with a torque of greater than 400 horsepower was the 1967 Pontiac 400. If you have already purchased your performance engine kit, we will be happy small block from $199.50. Buick and Oldsmobile 455s were big blocks, but a Pontiac 455 was not. A Pontiac 400 Big Block would be considered a big block engine. 4-angle HP big block valve job, from any performance engines whether small horsepower, 300HP, 400HP, 500HP Buick and Oldsmobile 455s were big blocks, but a Pontiac 455 was not. Drivetrain This is for drilling and tapping out oil gallery plugs. Ford 332 (5.4 litre) Interceptor big block V8. The bigger the displacement of the pump, the greater the potential power; when all things are equal, the bigger the engine, the greater the power output. Is a big block or a small block the answer for what is the reason? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Blocks with a displacement of 421, 389, or 326 do not have a displacement stamp. The Pontiac 400 was a reliable engine that was well-suited to a variety of applications. The intake valve is the door through which air enters the engine. Big block engines are larger in size and weigh more, but they produce more consistent power and torque to overcome the weight. It's the mack-daddy 455ci big-block, but you can always call it a stroked and poked 326 small-block if you like! In general, a large displacement engine can run anything between 400 and 400cc. It is a single small block engine. Where a taller-deck big-block V-8 has the advantage is in situations where the bore is also larger. Yes, the Pontiac 400 is classified as a big-block engine. Ford 332 (5.4 litre) Interceptor big block V8. Both Ford and Chrysler developed limited-production Hemi-headed big-blocks (at Ford, the FE-based over-the-counter SOHC 427 and the 385-Series derived Boss 429, at Chrysler the 426ci Hemi), but these were largely out of reach for the average person, and today would require significant amounts of discretionary income to own. The Pontiac Trans Am was first introduced in 1969 and was offered with the Pontiac 400 Big Block as the standard engine. The size of the engine block is used to classify engines as big block or small block engines. Picking a Pontiac 400 or 455 Block for Performance Use - MotorTrend It is often considered to be a big block engine, despite its smaller size compared to other Pontiac V8s such as the 455. rods, big blocks, from $139.50, Custom spin balancing for racing for stroker engines Weight of engines in stock configuration is approximate. To accurately determine the size of an engine, we need to consider its displacement, which is the volume of air and fuel mixture that can be drawn into the engine during one cycle. As it turns out, 20th-century big-block engines (and even small-blocks) hit this wall with relatively little effort. It had a robust bottom end, which made it capable of handling high horsepower and torque outputs. It has been nearly four decades since a TransAm was built with a large block. Because of their larger bore and stroke, it is difficult to obtain high-power numbers with Pontiac blocks. On the small-block end of things, the 5-liter Fox-body Mustang kept the short-deck (8.2-inch deck height) 302ci Windsor small-block on the boil through the 1994 model year, which had a knock-on effect on its larger 351ci small-block Windsor sibling available in half-ton F-150 trucks. Generally speaking, the weight of the engine is between 500 and 600 pounds. While Buick offered small-block and big-block designs that shared little, Pontiac by contrast built all its V-8 engines from the same basic architecture. The Pontiac 400 Big Block engine is a V8 engine produced by Pontiac Motor Division of General Motors from 1967 to 1979. The engine block is the primary part of an internal combustion engine. With huge bores on giant bore centers, a vertiginous deck height, and a high cam tunnel for a He-Man-sized stroke, it was ready-made for what never came from the factory: a proper set of cylinder heads. (October 2016) The Pontiac V8 engine is a family of overhead valve 90 V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. Except for PN 500557 casting from the late 1970s to early 1980s, there is no difference in functionally between these four block models. Ford and Chrysler were not taking things lightly during the muscle car era, and as sales-volume underdogs, they had nothing to lose. Beginning in 1958, there were successively larger versions of the Chrysler big-block wedge, first as low-deck B variants with a 9.98-inch deck height (350ci, 361ci, 383ci, and 400ci) then with RB versions (383ci, 413ci, 426ci, and 440ci), all having a behemoth 10.72-inch deck height. It was the largest engine offered by Pontiac in that time period and was known for its power and reliability. The engine was available in the Firebird, Trans Am, Grand Prix, and other Pontiac cars. Marketplace Buy and sell classics with confidence Browse Marketplace Further inspection of the block and freeze plugs will yield more clues to the block's age. The transmissions wont bolt up for what? email: [emailprotected]. Below are a few of the most common requests with the estimated cost. Inexpensive and strong, cast iron was used almost exclusively, whereas today aluminum alloy and lightweight thermoplastics comprise a significant number of engine components in newer engine families. It should come as no surprise that the 455 blocks from 1970 to 1976 are also functionally the same. The Pontiac 400 and the Olds 403 are both V8 engines that were manufactured in the 1960s. the burn process and then cleaning the block through the shot abraiding With its large bore and stroke, the Pontiac 400 offers plenty of power and performance that makes it an excellent choice for muscle car enthusiasts. PhoenixEngine.com In full anticipation of the next round of the muscle car power wars, Ford laid the groundwork for the 1970s with the 385-series big-block, the successor to the aging Ford-Edsel (FE) line of big-blocks. The Interceptor's big block has a very high V8 capacity.The block size of a Chevrolet Camaro 396 was significantly larger than that of a Pontiac Firebird 400. They have a bigger engine block, which allows for larger cylinder bores and more significant piston strokes, resulting in higher displacement. This small block Chevy has 401 horsepower and 458 pound-feet of torque, demonstrating the engineering and craftsmanship that went into its build. It's 6/6, so let's talk Pontiac's 6.6-liter 400 V-8 - Hagerty Media Pontiac blocks have two different freeze-plug configurations. The availability of these varies wildly for different engine families, when it exists at all. Make sure it's a Pontiac block. Most accessories will fit either engine. So what engine do we like in the Olds ranks, big-block or small-block? aluminium oval port closed chamber heads, and two-bolt main caps. Pontiac when much larger combinations are possible using a big-bore block and off-the-shelf stroker kits? However, this classification is not always accurate when it comes to determining the size of an engine. Is A Pontiac 400 A Big Block? - wheelsadviser.com Drivetrain. Small block engines are typically more lightweight and compact than big block engines. ACDelco Fuel System Treatment Plus vs Techron: Which One Wins the Battle of Fuel Additives? Ford 332 (5.4 litre) Interceptor big block V8. 400 big block | Firebird Nation The Pontiac 400 engine was known for its excellent performance and reliability. A Chevrolet 348 was a big block, but a Chevrolet 350 was a small block. A Chevrolet Camaro 396 had a big block, but a Pontiac Firebird 400 did not. Introduced in the 59 model year, this versatile V-8 boasted horsepower from 215 in economy trim up to 345 in Tri-Power form. In one sad note, one of the most promising cylinder heads for small-block Chrysler Magnum enginesthe hi-po version of EngineQuest's CH318A/Bis no longer being manufactured, making the small-block Magnum one of the few engine families to move backwards. as a guideline only; you must call or email us for a customized estimate. The big-block has more room inside relative to the small-block, so you can buy more power for the dollar without the cost skyrocketing too much on the high-end of the power range. The Pontiac 455 V8 was The GTO and Firebird Brand's Last "Big Block Is A Pontiac 400 A Big Block Engine? What's The Difference Between Big An undersquare design (small bore, long stroke) and a small intake valve kept power in check while making the small-block Buick block as wide as a big-block Chevy. time involved during inspection of teardown is all by the hour, no A small block engine is typically between 250 and 400 cubic inches (4.1 to 6.6 liters). The history lesson allows us to better understand why the Mopar wedge is still so popular today; there are a lot of wedge big-blocks around because they were made for over two decades. It was also used in the Chevrolet Camaro and the Buick Grand National. Untitled Page [www.pontiacheaven.org] Sure, they made 428s and 455s, but the 400 was their go-to muscle car engine for Firebirds and GTOs. Is A Pontiac 400 A Big Block Engine? What's The Difference - Broomhub Activities Hobbies A Guide to the Iconic Pontiac Ram Air 400-Cubic-Inch Engine The Pontiac 400 Cubic Inch Engine. The Ford 332 Interceptor big block V8, the Chevrolet Camaro 396, the Buick Lafourche and Oldsmobile 455s, as well as the Pontiac 455 were all big blocks in their own right, but the Pontiac was a small block with a big block displacement. Address: 6950 Wilderness Trail, Cheyenne, WY 82001, USA. The 400 Pontiac motor is a classic V8 engine that was initially introduced in 1967. Home of the IA 2 block, Tiger Heads, forged cranks & much more. By 1970, all size limits at GM were gone, with displacements swelling to 454ci (Chevy) and 455ci (Buick, Olds, Pontiac). Is the Pontiac 400 a big block or small block? - Short-Fact What are the physical state of oxygen at room temperature? If increasing the bore and increasing the stroke both provide more cubic inches and presumably more power, does it really matter how the factory went about increasing the displacement? Example: The engine also had a reputation for being thirsty, which means it consumed more fuel than other engines of its size. Mopar followers differentiate the wedge's deck height as "B" (9.98 inches) and "RB" (10.72 inches) to further clarify the engine type (both were made concurrently). The blocks of all Pontiac V-8s from the 287 to the 455 are the same size and very close to the same weight, which can make it more difficult to identify the 11 different engine displacements produced from 195579. In fact, the transmission on the T-85 HD 3-speed was a tad more potent than on the T-85 HD 4-speed. Big-Block vs. Small-Block V-8: What's the Difference? - MotorTrend A big block engine is typically between 400 and 600 cubic inches (6.6 to 9.8 liters). This article will explore the similarities and differences between the Pontiac 400 and the Chevy 400 and provide a better understanding of how they compare. When it comes to engines, there are a lot of terminologies that can be confusing, especially for those who are not automotive enthusiasts. a complete automotive machine shop for your stock engine, You should do away with the stick shift if you want to go for a 4-speed. The 400 was available in a wide range of sizes and configurations, from a 4.9-liter to a 7.5-liter. The newer blocks' main caps never seem to be aligned properly. Small block engines are more fuel-efficient and easier to work with, making them ideal for everyday driving. Automotive Machine Shop Call 602-866-8044 - Phoenix Engine Based on this information, its safe to say that the Pontiac 400 engine falls within the small block engine category. If your eyes have wandered down the page to the large chart labeled "Small-Block vs. Big-Block Specs," you can get your first clue from the "intake valve" spec column, which shows the most common intake valve diameter size for each engine family. How much HP can you get out of a Pontiac 400? This website uses cookies to improve your experience while you navigate through the website. in this thread in this sub-forum in the entire site. Big-block or small-blockwhich one is best? As we have already covered a bit up to this point, the 400 shared a nearly identical design with the earlier 389 V8 that it was based on. The Pontiac 400 Big Block provided good performance for its time and was a popular engine option for Pontiac vehicles. block, small block (V8 small blocks) from $89.50, Furnace burn to thoroughly clean your block, and then shot abraiding Without considerations of inter-brand rivalry, Ford and Chrysler big-blocks were able to leapfrog GM's big-blocks simply by making them bigger in the areas that counted the most: bore diameter and deck height. starts from $249.50 Big block engines have more torque and power but are not as efficient as small block engines. When it was released in 1970, General Motors Pontiac 455 engine was the only one of its kind. exceptions. Performance. The Pontiac 400 was introduced in 1967 as the high-performance engine option for the Firebird and GTO. It was a reliable engine that was used in many Pontiac vehicles, including the Firebird, Trans Am, and Grand Prix. Big doors move more air than small doors, so it's possible to have an engine with plenty of displacement but only modest-sized valvesa description that fairly describes most of the OE engines on our list. Pontiac V8 engine - Wikipedia This cookie is set by GDPR Cookie Consent plugin. The Pontiac 400 is a classic engine that has been around since the late 1960s. ASK US. Any pricing information is presented It was first used in 1967 Pontiac Firebird and GTO models, and has been a popular choice for performance enthusiasts ever since. How much horsepower does a 400 Pontiac engine have? The 350 Buick debuted in 1968 and shared more with the 231ci V-6 than either the earlier "nailhead" big-block or the 400ci big-block released in 1967it has both its aluminum timing cover and bore diameter in common with the 231ci V-6. and up, etc. No, a Pontiac 400 and a 455 are not the same block. 97 jets square, 0.030/0.020 valve lash, and 31.5 degrees timing produced 650.4 hp at 6,300 and 596 lb-ft of torque at 4,900 rpm. Ford 332 (abbreviated 5.4 litre) is an example. *With apologies to AMC and Cadillac fans, this list is not a comprehensive inventory of all big-block or small-block engines of the muscle-car era, but rather of the largest and/or most common versions of each engine family. The engine provided excellent performance and helped the Trans Am become one of the most iconic muscle cars of the era. Moreover, with a new wave of alloy aluminum blocks, cylinder heads, and intake manifolds (particularly engine blocks), the Ford and Mopar big-blocks can be built to flyweight specs at well over 1,000 hp. As we said up front, the number of classic Chevys, the preponderance of big-block Chevy cores, the number of Chevy fans, the enthusiastic number of manufacturers providing parts, the number of Chevy-specific races, the number of engine builders, and the extensive amount of time of aftermarket development (over a half-century) means that no amount of inherent technical superiority by other brands can overcome the big-block Chevy's advantage. . is considered custom engine work. Copyright All rights reserved.Theme BlogBee by. Remove and replace The Pontiac 400 is a mid- size V8 engine that was first introduced in 1967. Id rather wait until I have some beef to turn it. All of this operation is extra cost. Additional charges for residential or lift gate may apply . The Pontiac 400 has a displacement of 400 cubic inches, while the Olds 403 has a displacement of 403 cubic inches. The Pontiac 400 Big Block was also available in the Pontiac GTO, which was a popular muscle car of the era. You can take a 455 and drop it right into that 60 pontiac. 21632 N 7th Ave, Suite 1, Phoenix AZ 85027 Furthermore, it reminds us that the engine chart is an important factor to consider while constructing an engine. What's drawing them to the Chrysler 440? Comparing The Pontiac 400 And The Chevy 400: A Look At Their forget to ask about our At General Motors for instance, a rule was set up in 1963 for mid-sized cars that engine size limits were not to exceed 330ci, resulting in a bunch of small-blocks just under that size (Chevy 327ci, Pontiac 326ci, Olds 330ci), then changed its mind in 1968 with a 350ci limit (Chevy 350, Buick 350, Olds 350, Pontiac 350). Since 1978, General Motors has not produced a traditional, purebred Pontiac engine. Adding to the confusion, multiple block codes were used, and date codes can overlap up to three decades. If you're a student of domestic 20th-century V-8 engine architectures, you've come to the right place because we've got answers. In the same way, the Chevrolet 348 was a large block, whereas the Chevrolet 350 was a small block. Small block engines are lighter and more compact than big block engines, making them easier to fit in smaller engine compartments. The primary differences between big-block and small-block engines are size and weight. Im able to build a Pontiac engine blindfolded, but its time to give it a new lease on life. We are pleased to provide Power engines for Pontiac, Oldsmobile, and Buicks. You can take a 455 and drop it right into that 60 pontiac. Let's take a closer look. Oldsmobile: Rear-mount distributor goes into block (slightly offset to LH side), inverted fuel pump mounts on RH side (fuel lines connect to the top of the pump), front vertical oil-filler tube into timing cover, 10-bolt valve covers (later covers may only use five bolts), LH starter mount, 12 inches between the heads at the base of the intake manifold (on a big-block Olds, it's 14 inches). Although the block size is the same, from 1977 to 1978, it differs from the earlier 455 or 400 blocks. The Chrysler 440 and the Ford 460 had no interdivisional rivals like GM, so pattern-makers could make everything bigger; more bore diameter, more deck height, more clearance for stroker cranks, and more valve diameter. The plus side is that it is a complete engine and. Analytical cookies are used to understand how visitors interact with the website. The Buick fan looking for the biggest bang for the buck within his own brand will probably want a 455ci big-block, an engine that is supported by a small, loyal cottage industry with companies like Automotive Machine & Performance, TA Performance and Kenny Betts Racing. It was powered by a Saganaw 4-speed engine, which was used in the 1970s and 1974 models of the Pontiac Forebirds and Tempests. In the interest of providing performance-minded Firebird buyers with an up-level 400 boasting of additional output, Pontiac's engineers created the T/A 6.6 for 1977. We also use third-party cookies that help us analyze and understand how you use this website. This was further complicated by a change in big-block cylinder cases in its 400ci "big-block" in 1968. Get the best deals on Pontiac Complete Engines for 400 when you shop the largest online selection at eBay.com. 4-angle HP small HERE TO SEE OUR FULL ENGINE CATALOG ! 804-794-6777. Block Valve Jobs: price is based on time basis (i.e., 1/2 hour time basis is $59.50, Which one is better: a Chevy or a Pontiac bellhousing? All had the same 6.665-inch connecting rod, and the Pontiac 350ci "small-block" of 1968 was derived from the earlier 389ci V-8, but with a smaller 3.87-inch bore (versus the 389's 4.06-inch bore). 350/400/455: displacement numbers cast into block on driver's side near the front freeze plug [you should also look on the opposite side too--check photo] 428 . In this regard, if the story were Ford small-block vs. Chevy small-block, the Cleveland-style head on a small-block Windsor would pummel a SBC with ordinary aftermarket heads (canted-valve SB2 excluded), because as far as the air and fuel is concerned, the Cleveland-headed Windsor is a big-block. right across from Deer Valley Airport entrance. 2 What was the most powerful Pontiac engine? They are both powerful engines, but there are some key differences between them. This makes the Pontiac 400 a good choice for those looking for a powerful engine without the added weight. With the Chrysler big-block the 10.72-inch deck height gives the piston a lot of compression height (the crown-to-wristpin distance), a must for big strokes and solid reliability. machine shop rate is $149 per hour (for instance, fly cut performance But when it comes to making copious power from any common domestic V-8, the big-block Chevy wins hands down, not so much on the basis of any overwhelming mechanical merit, but because the aftermarket has been continuously working on making the big-block Chevy bigger, badder, and better for the past half-century.

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