OK I have been using portflow valve train for about 10k miles, recently i let a friend drive my car (boosted gsr) and he WOT`ed it for too long on the freeway and the egt skyrocketed and messed up some ring lands.

I am now in the process of rebuilding my motor w/ p73 pistons .015 milled head and flat faced valves which I have had in there for quite some time. I kinda wanted to make a nice oem 200whp build out of this, nothing crazy for cams just some ctr`s. My retainers still lokk decent they havnt really thinned out, i ran blox b`s in my motor way back them for about 5k miles, then went boost for 5k with stock gs-r cams so my retainers arnt that bad. Since I have my motor apart I was wondering if it would just be wise to go with stock retainers with the portflow inner/ gsr outer setup for ctr cams?? or will I be pushing it??

Let me know what my options are.

Ryan