iron duke a good motor or stay away?? | S-10 Forum
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's Unkillable Iron Duke 4-Cylinder Engine Powered Dozens Of Trucks, Cars, and SUVs For Decades | DrivingLine
Iron Duke Cylinder Head 1987-1988 Buick Skylark Somerset 10038808 & Valve Cover | eBay
Any 4 cyl iron dukers? - Third Generation F-Body Message Boards
Iron Duke engine - Wikipedia
The Iron Duke - GM's Worst Engine Ever? | GMParts Center Blog | GM Parts Center
Iron Duke Engine Guide - Reliability, problems, & fuel economy.
Junkyard Outtake: Put Up Your (Iron) Dukes - Curbside Classic
2.5 Iron Duke Is it The Same?? - Chevrolet Forum - Chevy Enthusiasts Forums