spun bolts in aluminum

[Ishmael]

I've got hooker 1.25 forward mounting plates they use three holes on the side of the block and the rubber motor mounts use two off the plates and one off the block. Problem is that it seems I've spun the bolts going from the rubber motor mounts into the block on both sides. I really can't see how its possible but they just spin. The engine is sitting in place. Is there anything I can do short of pulling it out and taking it to a shop to have helicoils put in?
thanks
Scott

[Ishmael]

I tend to go way overboard on any problem which is why I thought straight to helicoil. I'm going to drill and tap it from an m10 to m12.