Pontiac Rod Bolt Kit Fits Iron Duke 4Cyl. RV Parts Express
The result was an engine that came to be known as the "Iron Duke.". The iron reference possibly emphasized that this GM 4-cylinder powerplant was not aluminum. Production of the Duke began in 1977. Displacing 2.5-liters (or litres, as GM briefly noted), the simple overhead-valve engine featured an iron block and head, a relatively short.
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The infamously weak, Pontiac-built Iron Duke engine was a 2.5-liter fuel-injected pushrod straight-four, which was essentially just one cylinder bank from a contemporary Pontiac V8.
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Pontiac engineers derived the Iron Duke's design from the GM 2.5 L L-4 engine being built in Brazil. That engine was a modified version of the Chevy II 153 L-4 motor which had powered the Chevy Nova. However, the Iron Duke L-4 was still pretty different from both of those engines, and most parts were not interchangeable.
GM's Unkillable Iron Duke 4Cylinder Engine Powered Dozens Of Trucks
The Iron Duke was an inline 4-cylinder engine that was piston operated. The durability that these engines give Chevy owners has yet to be matched by the engines that are produced today. You won't find any electronic sensors, computer chips or other type of sophisticated components on these engines.
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Re: iron duke. The Iron Duke was the somewhat (depending on your personal perspective) affectionate name given to the line of 2.5 liter (151ci) engines produced by GM from the late 70's to the late 80's. It was used predominantly in the Chevy Celebrity, Buick Skylark, Olds Cutlass Calais, Pontiac Fiero, Pontiac 6000 and S-10 pickup.
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GM's Unkillable Iron Duke 4-Cylinder Engine Powered Dozens Of Trucks, Cars, and SUVs For Decades May 26, 2021 Story By Benjamin Hunting Not every unkillable engine out there is universally celebrated.
Anyone familiar with the Pontiac Super Duty 4 cylinder? Don Terrill’s
While the Iron Duke has a 4 inch bore with a 3 inch stroke yielding a smaller displacement of 151 cubic inches, the 153 has a 3.875 inch bore and a 3.25 inch stroke.. A 1970 4 cylinder Powerglide Nova had to be among the most elite penalty boxes. That Youtube video is amazing. The 153 has a decidedly lawn mower like sound for those of us.
For the last time, the Iron Duke was not the same engine a Hemmings Daily
The most common mistakenly held belief regarding the Iron Duke's history maintains that it's little more than an evolution of the Chevy II 's 153-cu.in. four-cylinder - derived from the 230-cu.in. six-cylinder and used from 1962 through 1970 in the United States - and that the Iron Duke name actually applies to those engines.
GM's Unkillable Iron Duke 4Cylinder Engine Powered Dozens Of Trucks
The Iron Duke is a single cam overhead-valve inline four-cylinder engine. This 'pushrod' motor features a tried-and-true two-valve design and a single timing chain located in front of the block. The 2.5 has a 4" bore and a 3" stroke.
What Was The Iron Duke? The Daily Drive Consumer Guide®
Specs: Power: 85-110 hp. Torque: 123-135 lb·ft. Innovations: • One of the first all-metric fastener engines from GM. • Throttle Body Injection. By 1988, the Iron Duke had a roller camshaft, balance shaft and even a distributorless ignition system. Other improvements over the years included new pistons, rods, crankshaft and an in-pan oiling.
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Since I love the 258 (4.2l) six/5speed in my wife's 1990 Jeep YJ, I was thinking about going that route, but lately came across a great deal on an Iron Duke 4 cyl out of a CJ7. I know these are not as strong of motors as the later AMC based 2.5l, yet still, there are those out there that seem to like them.
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Published Nov 2, 2022 The Iron Duke engine doesn't get the recognition it deserves despite powering a lot of vehicles in its time, including high-performance sports cars. General Motors GM's four-cylinder Iron Duke was an almost unstoppable engine that powered scores of cars, SUVs, and trucks through the decades.
GM's Unkillable Iron Duke 4Cylinder Engine Powered Dozens Of Trucks
The Iron Duke was a 4-cylinder, cast-iron pushrod engine born from oil shortages and government standards that demanded cleaner vehicles. The Iron Duke would see itself in a slew of GM vehicles during its production run from 1977 to 1993, including Pontiac Sunbirds, Chevy Blazers, GMC Safaris, Buick Centurys, and most notably, Camaros.
An ode to my 4cylinder Iron Duke Pontiac Firebird ALPHABET CITY
4-cylinder in 80's Jeeps: Iron Duke V6 in 60's, 70's Jeeps: Buick V8 in 60's Jeeps: Kaiser 327, Buick 350. They bought whatever was available by the looks of it. Shawn. Unfortunately the Iron Duke Pontiac engine is not the same as the early Chevy II engine. Head bolt patterns are not the same but the crank can be used in the late model.
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#1 For over 25 years have been building the 3.0 liter crossflow engine for the series IIA and III. The engine is based on the 151 cuin, 2.5 liter GM Iron Duke, but like hundreds of other engines it gains performance from a longer stroke. The longer stroke provides 183 cuin, 3.0 Liters of swept volume.
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Yes, it's reliable and relatively durable, but the Iron Duke was arguably part of what pushed long-time customers away from GM. Learn more about this engine.