PCM Diagnostics & Tuning - tuning use load bearing dyno vs non
03-29-2006, 11:11 PM
What makes a load bearing dyno (eddy) better or worse than a non load,
im guessing the tune is better because of the loading?
or is it all in the software or a combination of both?
sorry if this was asked before im just a little :confused:.
03-30-2006, 11:26 AM
All dynos apply -some- load. But the "load bearing" (?)
means you can hold a particular RPM at full (or other)
load/pedal steady, not sweep through it in a big ol'
hurry like the "inertial" dynos. So things like rapidly
changing airflow (perhaps faster than highway / strip
1:1 gear would run up) do not enter into the tuning as
Why there aren't more load-holding dynos goes to the
simplicity (cost) of a heavy drum vs. how/where to shed
500+ kW of mechanical power as heat in a small shop in
summertime. Mmmm, toasty.
03-30-2006, 02:40 PM
Ahh i didn't realize the heat issue i guess it would call for some innovative ducting.
what im trying to understand is that if your having a tune done on a 'normal type' dyno that dosn't replicate street/strip like a load type might it would seem that the tune wouldn't be optimized for the use.
Unless the variables in the tune arn't changing that much,(between the two types) it would be like tuning for premium fuel and then using regular.
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