is there anyone running them and what kind of life have you seen

Thought about doing it with pro chargers. The Whipples sound like a good set up too. I think if you keep the boost low 3.5 - 5 psi you'd be ok. I've got an idea, why don't you try it first then let me know the results. HA!

Im allready running them 354hrs put them on with 120hrs on the motors run5-6 lbs boost the last 80hrs I run 7lbs boost 10% race fuel changed oil every 25-30hrsl lovin every minute of it .The boat is 33 outlaw runs 90plus waiting for Wipple to tell me what cam grind to use leakdown and compression test on tue Ihope to get another 125hrs we are going to do the heads thats another story