Groily,
Having used 38 ft. lbs. in the previous assembly, and experiencing pressure and oil leaks, I opted for 40, as mentioned by David. However, the last gasket was not as soft. It makes me wonder if the head will warp between bolt holes as the gasket is compressed. Also, I suppose there might be some deformation of the alloy under the washers, but I've tried to hedge against this by doubling-up on hardened washers of the maximum possible diameter. I'll know more in the, hopefully, distant future when the head is next off. As for snapping the bolts, so far, so good. In any case. it's not like I can now go back and loosen them to a lesser torque. All these fears aside, I'm hoping to have the same positive results that David (and others, I suppose) have had when using the 40 ft. lb. value.
So, I ask myself, "why didn't I ask SRM what torque they use while I was at it?" Answer, "because I am a tunnel-visioned dolt."
Richard L.