ok back to my rebuild the head will be here in a few days just looked at a 460 i have and some of the intake bolts look like there on a angle and the mercruiser r drilled striaght well have to wait till i get it and the water out let has to be worked out it 93cc head with flat tops 10.1 happy with the compression ratio the intake mod i think will limit me to a edelbrock carb cause the holley fuel bowls hit valve covers once i get the head ill sit it on the bench and see ill add pics but still cant work out how to post them here only photo bucket