A very common leak place at the front is where people don't put sealer under the front cam caps, and it needs it for sure.
10.9 are NOT stretch bolts, stretch bolts are a different material that maintain a certain degree,(albeit small) of elasticity like a spring.
I use ARP and just torque to 120 lbft, leave at least 2 hours then retorque to 120 lbft again, works for me.
tabetha