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The Iron Duke engine (also called 151, 2500, Pontiac 2.5, and Tech IV) is a 151 cu in (2.5 L) straight-4 piston engine built by the Pontiac Motor Division of General Motors from 1977 until 1993.
26 sie 2022 · This guide will look at the infamous Iron Duke in-depth, going over its specs, design, performance (or lack thereof), and reliability. First let’s start by looking at why and how Pontiac created the 2.5 L Iron Duke in the mid-1970s.
8 cze 2022 · The 2.5L (151ci) Iron Duke engine was a game-changing four-cylinder. Here's a guide to the famous and reliable GM Iron Duke.
26 maj 2021 · The company identified a Brazilian General Motors engine (based on the decades-old Chevy II motor) as offering a good, vibration-free template (without the need for a balance shaft) for its own straight 4-cylinder, and it borrowed its 2.5L displacement and its 3.00 inch and 4.00 inch bores.
18 kwi 2008 · *The 2.5l "iron duke" engine was introduced in 1985, and was in production until 1994. The 2.5 had a TBI setup, there were two differant TBI's: model 300 tbi (earlier 2.5's) and model 700 tbi (later 2.5's).
7 lip 2010 · The Iron Duke (also called the 2500, 151, Pontiac 2.5, Cross Flow, and Tech IV, though the decal on the air filter assemblies actually reads "4 Tech") was a 2.5 L (150.8 cu in) I4 piston engine. All Iron Dukes were built by Pontiac beginning in 1977 and ending in 1993.
20 wrz 2019 · The Iron Duke itself is a fairly straightforward engine. Its pushrod overhead-valve design was typical of its time, as was its iron-head and iron-block construction. It had no balance shafts, multiple valves, cam phasing or any other advanced technology.
