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Old 11-16-2010, 12:24 PM   #4
Scooby Newbie
Member#: 232507
Join Date: Dec 2009
Chapter/Region: E. Canada
2012 WRX STI
Ice Silver


Originally Posted by CRAZYHAWK View Post
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.
Ideally yes, but i'm pretty sure daniel stern lighting has discussed that there are massive voltage drops across the stock wiring.

anyway, i did the same thing with my car, huge improvement over stock, glad to see that there isn't a huge increase in housing or wire temperature.
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pharmamatt is offline   Reply With Quote