KCTW New member Apr 12, 2015 #1 I have a 99 XJ with a blown 4.0. A local guy has a 4.2 out of a 90 YJ he wants to sell. Will it fit in the XJ? I realize the whole carb vs. Fuel injection differences. But are the blocks the same? thanks,
I have a 99 XJ with a blown 4.0. A local guy has a 4.2 out of a 90 YJ he wants to sell. Will it fit in the XJ? I realize the whole carb vs. Fuel injection differences. But are the blocks the same? thanks,
Bustedback Member Apr 19, 2015 #2 Don't do it. There are plenty of XJ 4.0 engines from 91 to 99 out there for cheap.