Quote Originally Posted by thesals
depends how much extra you plan on doing to the cooling system.... i've gone about half way up and had no problems............ but i also put a lot into the cooling system..... i know block fill is a cheap way to stabalize the block.... but have you considered 4 bolt mains and a girdle? it cost a bit more..... but it definately helps
I will run splayed mains, but the bottom of the block still tends to move around a bit.... Just wanting to tie the cylinders and webbing together a bit tighter.....