Hey. Don't be a pussy and just use the first gen 1u. Beefier rods, sturdy ring lands and full skirted pistons as well. Run stock with a 2 way through a w58 (r154 is a notchy unit) use an oil cooler and a good rad and you'll hold angle fine in that boat anchor. After doing this for a few years, there's one thing I learned: keep it simple. Not to say standalones don't have their place, but as for seat time, I'm glad I don't have one.