whuBBz

Hows it goin guys Im new to this forum had for a while haven't been on it as much I got a few questions if any one can help... I duno whether i have a boost leak or not my 32 gtst is spitting some times black smoke and i always have low revs some time when break car will switch off and last night went out car switch off never came back on thought it was the batt but narhh i think it may or may not be the plugs i got a general understanding on motors ut not 100 percent dnt want to do something to make it worse... if anyone can help...