Just need a opinion/a little help. I bought sleeves from JG Enginedynamics along with my head package. At that point I had no idea about open deck or solid-deck blocks. I just had them installed/bored. So my question is open-deck ductile iron sleeves; How much boost should I run. I am thinking 20-22psi since it's not solid decked. JG tested there sleeves for 30psi, but I am thinking(correct me if I am wrong) that this was with a solid-deck block