help asap head gasket torque spec for 105

hello all
i have a 1970 chry 105 have new head gasket but need torque spec think its around 20 ft and i know you work from middle out towards top and bottom in circle motion also i know after first run and cool down to re-torque just do not have correct ft lbs "only torque wrench i have"

P.S. jerryjerry05
I have got everything hooked up all nice took boat out ran great wanted more speed but it was all good then blew head gasket saw steam and couldnt figure it out then realized had no compression in one of the cylinders pulled head and it was burnt

http://www.maxrules.com/fixforcetorque.html



inch pounds / 12 = foot pounds

20# on a Ft# tourqe wrench.
Might be a reason it blew???
Get a straight edge and see if the head is straight.Then the block.

head is straight block is not im going to run it till i can get it milled