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Old 01-14-2011, 06:45 PM
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Desktop Dyno

I lost faith and interest in desktop dynos years ago, but with all the time I have on my hands, being winter, I'm going to try playing with them again.

I have DesktopDyno 2000, Pro Racing Sim, version 4.2 and a couple of older, downloaded simulators from over the years.

I was never able to factor in blowers with any of them.

What do you other users feel is the best around? I see Mr. Gasket still makes one, as does CompCams. I can read their promises all day long, and each one claims to be better than the last.

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Old 01-15-2011, 08:54 AM
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Hmm, looks like Desktop Dyno is a phrase to be avoided.
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Old 01-15-2011, 11:41 AM
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All of them are just asagood as the rest. Non of them are good enough for anthing other than casual entertainment for a novice. With a 1000 variables that affect any given combo and the programs limiting you to just a few choices your accuracy may be programed to a bunch of assumptions. Assumptions, well, you know. Have fun with them, relearn the basics.
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Old 01-15-2011, 11:49 AM
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RSA "Engine Jr" and "Engine Pro", and Performance Trends "Engine Analyzer Pro" are a couple of the better ones, but they require a lot of info from you, more info than most people have.
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Old 01-15-2011, 12:37 PM
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I have DD 2000 and EA Plus. The EA plus is simpler than the EA Pro Eric references above. It will take flow numbers at a variety of lifts to try to calibrate to your cylinder heads. I do p[refer it to DD 2000. I have tried to use it to 'build' engines that I've seen dynoed in the magazines, and it seems that EA plus is a little optimistic. But I do have the sense (just that, not certainty) that it does a pretty good with incremental trade-offs, like camshaft advance changes, or changes to the duration, lift, etc of a camshaft. It surely isn't perfect, but it is fun to play with and I think a tool that is at least marginally useful.

P
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Old 01-15-2011, 06:20 PM
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I know the evils, and don't need to relearn the basics, not by a long shot. I said i my initial post, and like Pat mentioned, they're good for fun and games, that's all I want to do, eat the clock.

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