[blykins]

Yep, dyno it. I've dyno'd every engine I've built...for myself or for someone else. The last engine I built for myself, the dyno caught something that would have been a pain in the butt to sort out/fix with the engine in the car.

Plus you have a dyno sheet to show what it made. To me, when someone says, I have a 500hp engine, it doesn't really mean much unless they can back it up with proof.

Around here, it's $400 for a full day (8-10 hours) of dyno runs. It's well worth it.