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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. Originally developed as Pontiac's new economy car engine, it was used in a wide variety of vehicles across GM's lineup in the 1980s as well as supplied ...
22 mar 2010 · The Iron Duke "151" was made in so many different versions as to boggle the mind. The Tech 4 was only one version. Early 151s did not have a crossflow head. A buddy of mine has a 151 in an S-10; he's faced constant head and head gasket issues.
26 maj 2021 · These unkillable Super Duty Iron Dukes benefited from stronger blocks, larger rod journals, and much better heads to generate their power. Some aftermarket racing teams continue to produce the Pontiac design to this day, typically for powerboat racing, but also to provide the diehard Fiero (and occasional Camaro) owners out there with access to ...
3 sie 2016 · The so-called Pontiac Iron Duke engine was a venrable engine used by Pontiac on its smaller cars. It had a long production run from 1977 through 1993. It was used into the 1990s in the midgets.
1 sty 2023 · Pontiac's 151-cubic-inch 92-hp 4-cylinder production engine began in 1978 as the "Iron Duke." It was offered as the base engine in Pontiac Astras, Sunbirds, and other GM compacts like the...
24 wrz 2001 · A modified Iron Duke may not be faster than some supped up v6 fiero’s but it would keep up with or beat a stock v6 fiero. With a super duty duke making 190 horsepower and an 8000 rpm redline that same fiero would go 0-60 mph in 6 seconds and run the quarter mile in 14.2 seconds @ 97.4 mph.
27 mar 2024 · GM made 200+ changes to the Iron Duke over it's lifetime, and they never did make a proper engine out of it. Given some aftermarket modifications, you'd stand a chance; but it'll never pass emissions testing.
