Just wondering what the prefered battery is...12V? I'm building a new Harry Clack Comp Eliminator 232" 18* sbc dragster...converted to running brackets and quick 8...I just can't see sticking a 50lb battery in this thing. HAs anyone used any of the Braille batteries? Any thoughts on this? I need something to spin a 15.1:1 small block, and also run NOS, fuel, water, fan, electric vac pump, etc...always used a standard lead acid battery...just looking to save a little weight.