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Old 11-16-2010, 01:52 PM   #5
Scooby Specialist
Member#: 204304
Join Date: Feb 2009
Chapter/Region: MWSOC
Location: IL
2008 WRX 4D Stage 2


Originally Posted by CRAZYHAWK
Being the car wasn't running, you ran the lights with 12 volts. You'll have around 14 volts with car running.

Power = (E x E)/R , that's voltage squared divided by resistance

You'll have 36% more power with the car running.
I did have my car running for both tests. I wanted to make it real life test. I turned it off to takes the shots.
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veener79 is offline   Reply With Quote