The engine itself went in fairly easy. Fabbing some of the linkages and brackets at the time was the only real time consuming areas. There is alot more aftermarket parts now to make this swap easier. The radiator is a custom aluminum 2 core that is close to the factory 4.0 rad with dual electric fans. In the summer when it gets above 90 I have issues with overheating on the trail. This spring a bigger overall capacity radiator is going in. I used the stock manifolds, but opened them up to get them to flow as well as I could. I tried different block hugger headers, but couldn't find a set that fit mine without notching the frame, which wasn't worth it too me.