vtec joke is lame, its something I heard back in 2000. You can't even post a thread in Mitsu tech without the vtec or crankwalk card. Maturity level here has drop to a low time low.
Cory like Jordan asked did you run a compression test yet? ...I know you have a compression tester. That's the only real thing I could suggest in doing if you haven't done so. It's wierd that it does it every few seconds and not intermediate... could it be a valve sticking?