Whats the deal with 340s?

You can put a roller valve train in a 340.

They hydraulic roller is pretty much useless any more. If my customers want a roller tappet for a performance engine. They get a solid roller.

A hydraulic lifter, is a hydraulic lifter.

Rosey, Rosey, Rosey, you pretty much post in a hardass way with most of your comments. But I gotta tell ya, we really think alike in many areas. This being one of them..............along with the horsepower belief.