Which of theese two solutions are the most bullitproof ?
10 long studs from mike rainbird and Mountune 4-layers WRC gasket
or
Long studs from Reyland and Mountune 4-layers WRC gasket?

My piston CR is 7,5:1 and I'm concidering bying a new set of pistons in CR 8,5:1 so I won't need as aggressive ignition map......

The best pump fuel we have in Denmark is Shell V-Power 99 ron