i have a 1986 2m4 2.5l iron duke and i was looking for some advice on an engine swap that is a little 4 banger that wont be that hard to drop in any suggestions... oh and im planning on turbochargeing the engine when its done...
86 2m4 2.5 engine swap
- Thread starter clay7989
- Start date
There are two 4-cyl engines that are popular to swap into Fiero's. The QUAD4 that was used in late 80's early 90's GM cars and the more recent ECOTEC engines. A turbo ECOTEC that was used in the Cavalier Z24's and Colbolts are the best to get.