I think you need about 3"more of BL when you get the V-8 in there. oh yea, make sure to disconnect the sway bar before you take it out on the hi-way....jk ......if you dont like what you got and you know you are gonna dump endless amount of cash.....GUT IT and do it right the first time. then there are no more worries and for all of our sakes dump the BL