Originally Posted by RayA

JD,
Although I have ran the P5 and did not find the stock crank pin wear factor very good (comparing with the plus 4 you had mentioned) I myself have not tested any replacement that engine model. Outside inspecting a bunch of cranks of different models for crankpin wear I am with limited experience the performance characteristics one model from the next. I do see quit a bit of talk this subject on Mark at PowerHouse and Monty's at Houstons Engine Service their threads. Definitely a subject for our friendly Mod guys, and their expertise.