[Cliff R]

LOTS of the "high performance" parts being sold for these engines aren't going to make it in the long run, but these days there are very few "long runs" with these engines.

You simply aren't going to find out how bad many of these parts are because a high percentage of the folks using them are lucky to put 1000 miles on one of these cars in the next ten years.

I have yet to pull a used engine down that was built with a set of Comp Cams roller tip rockers that didn' have the bodies in the fulcrum area turned blue or even black from the heat they produced wearing themselves in. None had failed, but all were heavily gauled and had put some metal into the assembly.

Same with the PRW stainless steel rockers, none failed, all heavily worn at the roller ends where the pins go thru them.

Makes one wonder how many engines are out there having to filter all that ground up material from failing parts but the engine is still running OK?

There are a LOT more parts out there that don't make the grade that frequently get used in these builds. Cheap double roller timing sets with cast iron sprockets and low quality chains top the list. To this day I can't understand how anyone choosing parts for their engine believes that some low-end double row bicycle quality chain set is any kind of upgrade over a 3/4" wide factory style Morse chain from Cloyes or Melling. IF you are going to cowboy-up in that area at least buy the very best that Cloyes has to offer instead of saving $50-60 and buying bottom of the barrel crap......FWIW.....