You can do a "poor man's" cowl heat extractor. The cowl panel (where the wipers come out) has a rubber seal across it. It seals the hood to that black plastic panel. Yank that rubber seal off and you'll have a gap at the back side. boom...vents out the heat.
I've thought about doing that, and also putting some washers in my hood hinges to lift the back of the hood a little.... I would need a hand with the washers I think to support the hood or something, I haven't thought it out fully.
just remember when a battery is first used to start a car, the alt. kicks up the voltage to rechage the batt., and run the acce. but when the batt. is recharged the alt. will lower its output, and adjust as needed.
