"Im planning on swapping the V6 out of my VT and putting an L67 in. Will the memcal from you be alright to run for that?"

Assuming you have general bolt on mods and are not running more then a 10psi pulley, then we would be able to supply a memcal to suit based as shown in the link below:

http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectPath=/Shops/mace/Products/MEM611/SubProducts/MEM611