I run 2 batteries andGM alt never thought i would need a jump till 3rd round sat click click .Lost the rd .001 - red ouch
checked volts at batteries 11.5 started it and 12.5 tach was jumping in high gear.
NOW i know why
had alt checked 15 volts put on car 14 at batts now
What gives???4years
thought about putting a trickle charge and load test them .
msd6al
2 fans
transbrake
2 step
dash lites ,tail lites
put a alt on if your bracket racing
DON

2009 418" build dan smith built new 9.96 131.82 6.23 108 1.30 60 foot best to date 9/15/09 8in 727 430 dana 2860 lb 3040 lb w driver