Worst Engines of All Time: GM's 2.5L Iron Duke 4-Cylinder - YouTube
ATK Engines DP62: Remanufactured Crate Engine for 1991-1993 Chevy S10 & GMC Sonoma with 2.5L L4 - JEGS
Best looking Iron Duke engine? Most pimped out 2.5? - Pennock's Fiero Forum
Iron Duke Cylinder Head 1987-1988 Buick Skylark Somerset 10038808 & Valve Cover | eBay
FN Jeep - Newly Rebuilt 151 Iron Duke 4 Cylinder Engine... | Facebook
Cut-Down Engine of the Week: GM Iron Duke
GM 2.5L Iron Duke I4 Engine Guide | Junkyard Mob
1988-1990 GM 2.5L Iron Duke Engine Block I4 W/Main Caps FWD Fiero 6000 OEM Nice! | eBay
The Pontiac 2.5L
The Iron Duke - GM's Worst Engine Ever? | GMParts Center Blog | GM Parts Center
Iron Duke Engine Guide - Reliability, problems, & fuel economy.
Hot Rods - Iron duke in a model A | The H.A.M.B.
2.5L Iron Duke crate engine for sale - at Hershey til Thursday - Automobiles and Parts - Buy/Sell - Antique Automobile Club of America - Discussion Forums
GM 3.0 Liter 4 Cylinder Crossflow Engine Conversion | NAS-ROW Land Rover Defender Forum
4 Cylinder 2.5 L "Iron Duke" S-10 Engine - Gavel Roads Online Auctions
GM's Unkillable Iron Duke 4-Cylinder Engine Powered Dozens Of Trucks, Cars, and SUVs For Decades | DrivingLine
Cut-Down Engine of the Week: GM Iron Duke
4 Cylinder 2.5 L "Iron Duke" S-10 Engine - Gavel Roads Online Auctions
Iron Duke-The little engine that could... - YouTube
For the last time, the Iron Duke was not the same engine as the Chevy II four-cylinder | Hemmings
Cut-Down Engine of the Week: GM Iron Duke
Iron Duke Community | Facebook
The Little Engines That Could, Part 4: Chevy II 153 Four – Six Minus Two Equals Roughly Unpopular | Curbside Classic
Junkyard Outtake: Put Up Your (Iron) Dukes | Curbside Classic
