2 different dynos,2 very different numbers.why?

mopowers said

A bullshitter desperately trying to sell another engine to an unsuspecting customer wanting to tout a huge hp number at his local car show.

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To be fair. I've seen more than an occassional instance where shop owners and even engine builders simply don't understand. What I'm saying is that its not always nefarious. Some of these guys are very skilled in machine work and assembly etc. Or they are good at running a business. That doesn't mean they know how to use dynos and other testing and development tools.
Some think because they can build a good engine, there's nothing more to know. After all, they've been successful, at least in some specific situations. So sometimes its ego, sometimes it not knowing what you don't know. Others its a business decision - for example deciding that 95% of the customers will not pay the money for the time it takes to highly develop or tune an engine - and nor will they ever know since few actually take it to the drag strip..

I'm not excusing these guys. I've been burned myself. Just saying we shouldn't lump them all together, especially when implying motivation. What they do is wrong, but the road to hell is paved with good intentions. At least some of it anyway.