^ Best Secret?
Tune your car right!
You wont ever have these non existent problems
The apex seals wear on a taper and preferentially due to mis matched product, insufficient hardness, lack of lubrication, & poor tuning. Chopping up your rotor housing is 100% not necessary I have proved that. You just need to know what you are doing when you set up and run your engine.
200bhp or 1200bhp, some people can fuck up anything (BDC or HC) others have no issues.
If there is any secret then its water injection, but I already started a thread on that

when you have tested as many apex seals as I have and over the amount of km's at the power levels I have then I will listen to threads like this and opinions like yours, till then most of the advice is crap *honestly*
http://www.riceracing.com.au/apex-seals.htm
(no BS threads about why apex seals break lol) I have run them to a couple of mm wear in height on 600bhp motors (not fiction but fact lol) and never broke a seal or had it preferentially wear or have any carbon wings lol....... its in how much knowledge you have personally.... not what you have collected in toilet papers.