08-05-2012, 12:19 PM
You don't NEED to... Especially if you run 50 profile tyres, it doesn't even touch the gearbox and literally just kisses it with 55 profiles..
Much lighter block, shorter stroke - a much revvier engine, better for forced induction as it keeps torque levels down and means you have shorter rods - less purchase for bending.
Much lighter block, shorter stroke - a much revvier engine, better for forced induction as it keeps torque levels down and means you have shorter rods - less purchase for bending.