Quote:
Originally Posted by scrming
But the same weather that affecte a physical dyno also affects your butt dyno.... But a physical dyno usually allows for a SAE type correction for weather while I'm not sure anyone's butt-dyno is that advance that it takes the weather into consideration...
And while I understand dyno's are not a magic answer and anyone can fudge the dyno results... I would still say it's a very useful tool.... Heck, I'm just a one lone guy and I buy a dyno time to basically test almost ever mod I make to my cars... And while my test are not 100% scientific they give me very good idea what vendors live up to the claims and which ones don't even come close!
I then compare dyno results with track results.. and yes, i make notes on the weather and then calculate DA, etc....
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That is why it take Flowmaster so long to come out with systems compared to other companys. If they don't like the sound/HP gain they will build a new muffler for that car, Mustang, GTO, Corvette and now a special muffler was built for the V8 and V6. And they don't use a butt-dyno ha ha.