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Chassis Dyno Testing in Different Gears

18K views 3 replies 3 participants last post by  GTTUNERZ 
#1 ·
Hey guys. Awesome forum.

I found this forum because I am looking for some dyno info. I recently took my gti to a dyno and got a 50% drop in HP from 4th gear readings to 1st gear readings. The guy who ran the shop said that he always sees drops like that for cars in first gear.

What do you think?? Is that normal? I would think with different gears you will still get very similar peak HP within 5% or so.

Thanks!
Panboy
 
#4 ·
A lot depends on the type of dyno and If you are measuring WHP or including coast down to measure crank hp.


Ideally it's best practice to measure in a gear closest to 1:1

That being said, with the way my dyno is setup, i can run a DQ250 car in 4th, 5th and 6th and be within 2-3 hp of each other on crank hp.
 
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