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Old 07-05-2013, 08:43 AM   #20
trademaster
 
Drives: 06 Maserati gran sport, 12 z06
Join Date: Mar 2012
Location: Detroit/NYC
Posts: 528
Quote:
Originally Posted by Cody6.2 View Post
There's no such thing as a conservative dyno.

There is however such a thing as a dyno operator that manipulates the factors on his mustang dyno, which can make it say anything.
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Different dyno manufacturers use different methodology to derive horsepower and torque. Especially with turbocharged cars you will see different results with water-brake, inertia, and electric dynos. Load will affect spool and thus impact charge air temperatures at peak boost as well. You can do all the calibrating in the world and not get inertia and load-bearing to read identical without seriously fudging some numbers, especially on high horsepower turbocharged cars.
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