The Pontiac 2+2 featured a 6.9 L V8 engine, heavy-duty front springs, dual exhaust and distinctive exterior body design. All Pontiac Catalina 2-Door Sedan versions offered for the year 1966 with complete specs, performance and technical data in the catalogue of cars . It retained the 421's 4in (101.6mm) stroke and 3+14in (82.6mm) main journal. The Catalina was the base intermediate-sized Pontiac resting on a 121-inch wheelbase that it shared with the Safari and the Grand Prix. moniker from the shaker due to the disappointing public approval as the motor was not deemed to be "High Output". of torque at 3,800 RPM in the GTO, and 340 HORSEPOWER at 5,300 RPM and 430-lb.ft. Rocker studs: ARP special 34-in bottom As Stock drag racing heated up at the dawn of the Sixties, the factories were serving up a constant stream of engines, transmissions and lightweight body par. Rated at 370 horsepower at 5,200 rpm and 460 pounds-feet of torque at 3,800 rpm, it has 10.75:1 compression, with induction through three Rochester two-barrel carbs, Pontiac's well-known "Tri-Power" setup. This S/D retains the original "Traction Master" traction bars and two-bar spinners on the original 8 . Under the leadership of chief engineers Pete Estes and John DeLorean, Pontiac engine guru Malcolm "Mac" McKellar (1920-2011) and crew developed the Super Duty 389 and 421 NASCAR engines that embarrassed the Fords and Chevrolets at Daytona. Bore and stroke were 4.121in 2.84in (104.7mm 72.1mm) 303.63cuin (4,976cc). Preparation: Wash after balance for assembly [2] This was the engine installed in the Pontiac Executive line of large cars[3] and its largest station wagon, the Pontiac Safari. Retainers: Crower steel For the 1967 GTO the engine was rated at 360bhp (268kW; 365PS) and had the cast-iron headers. The 4-barrel version was available from 1978 to 1981 and the Turbo version was limited to the 1980 and 1981 model year, however, it was originally intended to be available for the 3rd generation Firebird before its cancellation by GM. The four-barrel 400 was a popular performance option for many of Pontiac's cars. For 1959 the V8's stroke was increased to 3+34in (95.3mm), raising displacement to 389cuin (6.4L). Pontiac offered Tri-Power on select models and engines (347, 370, 389, and 421 CID) from 1957 through 1966, when it was finally . 301 Turbo (210hp, 157kW), (with the 5th VIN character being a "T". Year: CU IN: Casting # 1967: 326. Modified versions of this engine were extensively used in NASCAR stock car racing and drag racing competition. From 1959 to 1966 Pontiac continues making improvements. Valves: Competition Products stainless steel, 1.92 /1.66-in The head design was incorporated from the earlier 1970's 350 Pontiac heads, and could satisfy emissions in all states except for high-altitude emissions states and California. Along with proper parts selection, accurate machining and assembly are also important The 400 2-barrel kept the 17 degree valve angles for '67; starting in '68 all Pontiac V8s went to the 14 degree valve angle. By early 1979, orders for the W72 package were being rejected by dealers as they supply had run dry. It was rated at 310hp (231kW) @ 4800rpm and 400lbft (542Nm) @ 3,000rpm on 10.5:1 compression. The 421 SD Tri . Balancer: Original PMD rebuilt by Damper Doctor The air cleaners look like those used on the top dog 376 gross HP 421 CI engine but there was also a lesser 356 HP version available too. . This was the only Poncho with standard 421-cid power. After outselling Oakland, Pontiac became the sole survivor of the two by 1932. I don't know if it can be done, but I'm going to try." Cam was a #541596 McKellar No. Learn how Classified Ads works . Most likely prompted by its development of the Pontiac OHC six, the GM division built three different experimental SOHC 421 CID V8 engines in the early 1960s. Pontiac went to open-chambered heads in some 1967 models and all 68 and up to improve power, engine breathing and reduce emissions. Perhaps the most unusual variation of the Pontiac V8 was the 1961-63 Trophy 4, which was a 45-degree inclined 194.43cuin (3.2L) inline-4 created from the right bank of the 389 for the debut of the Tempest. On premium fuel, it was rated at 207 hp at 5200 rpm and . The camshaft was also revised to have a slightly higher duration, the carburettor jets tuned and a dual exhaust was implemented allowing the power to increase to 220hp (223PS; 164kW) at 4000 rpm and 320lbft (434Nm) of torque at 2800 rpm. Pontiac's initial plans were to use a camshaft with specs identical to the 041 Ram Air IV camshaft, but testing showed emissions, while technically compliant, did not have "cushion" to satisfy Pontiac's emissions engineers, to avoid production variation leading to any non-compliant engines being produced and sold. Pontiac engines were used in its U.S.-market cars; Canadian-built Pontiac automobiles generally used Chevrolet engines. According to the engineers who worked on the project, the SOHC 421 engines produced around 625hp and were capable of turning 7,000 rpm. The 301.6cuin (4.9L) 301 was offered from 1977 to 1981 and also installed in other GM cars during those years. Also bowing in 1967 was the new Firebird, which had the . The earlier 1975-78 blocks had metal shaved from the journals and bottom end as well as a decrease in the nickel content of the block in an attempt to decrease the overall weight of the vehicle to help alleviate emissions and cost. There are no manual transmission equipped Trans Ams that came factory with the standard L78 400 motor in 1977-79. 1967 was the last year for closed-chambered heads. The 1971 455 HO was rated at 335hp (250kW) @ 4,800rpm and 480lbft (651Nm) of torque @ 3,200rpm (gross). In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. Pontiac had prepared for the forthcoming cancellation of the venerable 400 by producing large volumes of the stronger cast "XX" 400 blocks in 1977 that were assembled in 1978, and stockpiled at a warehouse by the assembly plant for later use. The V8 was phased out in 1981, replaced by GM "corporate engines" such as the Chevrolet 305 cu in small block V8. [22]. [citation needed]. In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. Crank: Original '64 421 Piston-to-deck height: 0.009-in The Block Date Code represents the production date of the engine. Primary tube length: approximately 31.00 inches said the "Pontiac 421 cu. A mere five were built, all with a four-speed transmission. cam specs out at 215/225-degrees duration at 0.050 and has just 0.407/0.407 lift with the factory 1.50:1 rockers. It was rated 180hp (134kW) @ 4600rpm and 264lbft (358Nm) @ 2400rpm with a two-barrel carburetor, 200hp (149kW) @ 4600rpm and 278lbft (377Nm) @ 2800rpm with the four-barrel carburetor. By 1979, Pontiac was no longer allowed to produce the 400 engine as emissions further tightened. Update your shipping location. 1962 Pontiac Catalina, Royal Bobcat Super Duty 421. Pontiac's V8s share the same 6.625in (168.3mm) connecting rod length, with the exceptions of the later short deck 301, 265, and 303 Ram Air V. Most Pontiac V8s had an overall length (to the edge of the water pump pulley) of 28.25in (718mm), an overall width of 27in (690mm), and a height (not including air cleaner) of 31in (790mm). The 1966 Pontiac GTO was also the first car to replace the aluminum grille with plastic mesh-pattern inserts. However, it can easily be determined by examining the cost price of the option, where the package excluding the W72 engine cost $251, and with the engine, cost extra at $324.[10]. 1967 - 400 Ram Air or 428 Code 670. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Idel RPM Automatic In Drive Notes; 326: 1964: 45S: 0.035: . Next time we will cover the induction system and the dyno testing to see if Jim meets his goal. Greater throughput mixed with the proper amount of fuel and ignited at the ideal time for the flame to expand against the piston will result in more power. It was rated at 366bhp (273kW) (gross) in the GTO version. Beginning in 1961 the Pontiac V-8 (389 and 421) was dubbed the Trophy V-8, due to its many victories in racing. Maximum flow at 28 inches of water An innovative design feature was mounting the rocker arms on ball pivots on studs set into the cylinder head, rather than using a separate rocker shaft. The four-barrel version with 10.5:1 compression upped horsepower to a healthy 285. . (imp.) Pushrods: LPC chrome moly The "455 HO" moniker took on a whole new meaning with the introduction of the 1971 model year; Intended as a low compression progression from the previous years Ram Air IV engine, all 1971 455 HO engines used a heavy duty 4 bolt main block, round port cylinder heads (casting #197; with 8.4: compression), "Ram Air" style exhaust manifolds, and a two-part aluminum intake manifold. The 428 was increased to 456.12cuin (7,474cc) in 1970. Mechanical advance: 36-deg at 3,200 rpm Collector size: 3.00-inGASKETS Valve lift stayed at just over 0.400-inch with 1.5:1-ratio rocker arms. For 1956 the V8 was bored out to 3.9375in (100.01mm), increasing displacement to 316.6cuin (5.2L). Laconic would be one way to describe this Pontiac's eBay listing, all it states is, "1966 Pontiac Ventura, 421 Tri-Power, 4 speed Runs/ Drives Great, Very Clean - Garage Kept".OK then, now you know what I know. Valve guides: K-Line, liners Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Power ratings increased accordingly: Several dealer-installed camshafts were optional to increase power further to 317hp (236kW). They came up with a 269-cubic-inch (4.4L) L-head design. Two different cylinder-head castings were used for the 1962 model year, both with a combustion chamber volume of 68cc (4.15cuin) to produce an 11.0:1 compression ratio. An example of data being processed may be a unique identifier stored in a cookie. The 389 V8 was first introduced by Pontiac in 1959. The base engine was the 421 four-barrel with 338 horsepower. Intake manifold: Original '64 PMD tri-power Valvesprings: Crower, dual no damper Standard in the Firebird Trans Am, it was still a rare engine. This was the beginning of factory supplied performance items such as 4 bolt main bearings and windage trays to reduce friction from crankcase oil. 421 CID V8 - 4BBL - Automatic - P.S. Type Size Carb Horse Power Tourqe; Tri-Power: 389ci: 3x2bbl: 360 hp @ 5200 rpm: 424 lb-ft @ 3600 rpm: Base 8 . [citation needed] It was the first engine that incorporated Pontiac's round-port head design in a production vehicle, however the intake port was the same as other D-port heads, leaving a head which exhaust port could nearly match the intake at high valve lifts. The 1970 '455 HO' was a conventional "D" port engine. It would later become known colloquially as the "Ram Air III", though Pontiac never called it by that name. The 301T block was significantly more durable than the standard 301 block and received a thicker bottom end. A common misconception made by enthusiasts was the notion that all Pontiac engine equipped Trans Ams featured the "T/A 6.6" decal on the shaker, however, it was exclusive to the W72 engine that was featured on less than half of all Trans Ams made during this period. in. The most valuable Pontiac GTO is the 1969 Judge convertible with the 370-hp Ram Air IV engine. Pontiac Heads; Pontiac Engine Torque Specs; Pontiac Cars (Body Types) Pontiac Engine Information; Instruction Sheets; Compression Calculator; Ask a Tech Question; Customer Service. Engine Oil: 120 ft-lbs. This 1966 Pontiac 2+2 Convertible is a beautifully restored big-block convertible that is ready for some boulevard cruising! 1966 Pontiac Catalina Specifications and Production. By comparison, the factory 421 H.O. A period-correct battery cranks the high-compression 469-cubic-inch Pontiac engine. The valve angle was reduced from 17 degrees to 14 degrees for better breathing. 287. Standard only for the Pontiac Bonneville was Pontiac's first-ever fuel injection system. While not related to the 400 W72, the concept was the same. Jim told HPP, "Since I was a young man in the '60s, I always thought how great it would be to find a true 100hp in a legendary 421 Tri-Power setup that retained its iron heads and intake. However, compression ratios were cut dramatically, marking the beginning of the end of the muscle car era. Mods: Built to factory specifications/ adapt '64 choke to '66 center carburetor 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. It is a known fact that a person's pupils dilate slightly when viewing something pleasant to the eyes. gasoline (petrol) engine with displacement: 6902 cm3 / 421.2 cui, advertised power: 252 kW / 338 hp / 343 PS ( SAE gross . Read. The 455 was used through 1976 when it, as with many other large displacement engines, was discontinued as manufacturers moved to smaller, more efficient models, even in their full size car lines. It remained on the same platform, but for the 1966 models, it became a different Pontiac series. By 1965 and 1966 the same combinations would be rated at 338hp (252kW) for the 4bbl and the two Tri-Power versions would be rated at 356hp (265kW) and the H-O version at 376hp (280kW). The compression ratio will be 10.6:1. It was rated at 250hp (186kW) with 8.6:1 compression and 260hp (194kW) at 10.25:1 compression. To learn about it, read. Piston pins: Icon, SAE 1016 to 1022 Wearing a revised GM B-body semi-fastback shape, the 2+2 option delivered a 421-cu.in. Available only in the 1973 and 1974 Firebird Formula and Trans Am, the SD-455 consisted of a strengthened cylinder block that included 4-bolt main bearings and additional material in various locations for improved strength. Total Timing: 36-deg BTDC The 338-bhp four-barrel was the base engine. A three-speed stick was standard; a four-speed and automatic cost extra. Installed position: 110-deg or Best Offer. 1965-75 Pontiac & Tempest engine tune-upspecifications including timing, dwell angle, and Spark Plug Gap, and firing order. At the end of 1976, Pontiac was no longer able to continue production of the 455 (7.5 L) V8 motor due to the tightening emissions requirements. A higher-output four-barrel carburetor version was offered, called the 326 HO (High Output). Rods: Howard's billet 4340 certified steel, stock 6.625-in, floating pins Dry weight ranged from 590 to 650 pounds (270 to 290kg), depending on displacement and year. gasoline (petrol) engine with displacement: 6902 cm3 / 421.2 cui, advertised power: 252 kW / 338 hp / 343 PS . The V8 engine was introduced for the 1955 model year as the "Strato Streak". Known as GM's performance-oriented division, Pontiac lived up to the hype by creating the first Muscle Car and kicking off the Muscle Car era. Royal Pontiac's engine swap wasn't a new trick for Pontiac. Preparation: Install in rod, torque, measure ID It was the same engine as the '67-'68 400 HO[18] but for 1969 and 1970 it included a driver-selectable outside air induction system on the GTO(it was a separate option on Firebird), with the hood vents opened and closed using a knob located under the dash, below and to the right of the steering wheel, its bracket labeled "RAM AIR". RamAir 4 Motor Price $15500.00. The 1971 Pontiac 455 HO was Pontiac's first engine to receive a special 800cuft/min (23m3/min) Rochester Quadra-jet carburetor with specific jetting. Head ID Location In 1969, Pontiac also used a revised crankshaft out of a Pearlitic malleable-iron, although it still used the "N" casting letter. Engine Year Info Spark Plug Plug Gap Point Gap Dwell Angle Timing (BTDC) Idel RPM Manual Tran. [4] It was replaced by the 455 for the 1970 model year. Displacement began at 287-cubic-inch (4.7L) and grew as large as 455-cubic-inch (7.5L) by 1970. Engine displacement is a function of bore and stroke. Not where most enthusiasts go first. . All Rights Reserved. 1966 Pontiac Complete 389 Engine YC code 290 HP Block Catalina . However, the 1959 389 engines had the generator in front of the heads with reverse flow cooling still in use. Pre-Owned. In 1968, a 320hp (239kW) HO option was offered in the Tempest and Firebird. In 1973 a further refined and even stronger but less powerful version, the Super Duty (SD) engine, was planned for Firebird, Grand Am, Le Mans (GTO), and Grand Prix models. For 1974 another 1,001 (943 Trans Am, 58 Formula) were built, after which the SD-455 was discontinued. . This is it! According to GM mandates horsepower was now rated in net figures as opposed to gross, so on paper the 1972 455 HO appeared to have a significant drop in power, but in fact it was very much the same engine, and performance figures reveal this to be true. In the early '60s, the engine program at the Pontiac division of General Motors was a wide-open operation that bustled with innovation. The next 1 or 2 numbers represent the date, and the last number is the year. Lifters: Crower solid with EDM oil hole (0.024 inch) Pontiac's SCCA Trans-Am program was promising, with race-ready engines producing 475hp (354kW) to 525hp (391kW), however the series General Competition Rules required the manufacturer to produce no less than 250 vehicles with the 303. They acquired the featured Montero Red 1966 Pontiac Catalina post car, which was equipped from the factory with the 421 H.O.