Thread: Ess VT3 Dyno
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      09-14-2012, 10:07 AM   #16
E46 + E90

Drives: E46 M3 + E90 M3
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Originally Posted by rjd598 View Post
Sweet mother of Jesus I've been waiting to see this. Bravo. Can you explain what the difference between sae and std is? Which numbers should I be looking at more
SAE and STD are both correcting factors with different derivations. Generally speaking, STD uses a lower temperature in it's equation, hence the higher numbers than SAE.

Saying which one to look at more than the other is rather moot. SAE seems to be the standard practice, but as long as you comparing same correcting factors between dynos, that at least removes some variable. Some people prefer STD, some prefer SAE.
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