318/360 heads,with thumper cam

OldmanRick-If it gets me to where i want,then yeah i can probably leave the block alone,but wouldnt it be better off milling,and zero decking the block?the holley i have is a 650 spreadbore,the other is a brand new 600 edelbrock,the holley is rebuilt and powdercoated to look friggin awesome lol. -ryansiki as for the magnum head deal,i was thinking about it,but imma wait n save some money,and find a whole magnum motor to build up,as theyre already set up for roller cams.thanks,i think i had read that last year,i was trying to find it bu couldnt..