Hey guy's I am new to the site and I have just aquired my first Chevelle(1969). It was pointed out to me that I was missing some body to frame mounting bolts. My question is, are they special bolts, what is the size of the bolt and do I have to buy an entire kit ? I seem to be missing 4 out of 8 ????. Since this is my first Chevelle(malibu) any info. would be great.