Originally Posted by Max Keith
One thing to note on using a 410/428 crank. They are externally balanced vs the rest of the FE blocks which are internally balanced, so this will require a 410/428 flywheel, Unless you plan to have the entire assembly rebalanced.
The 406 has the same stroke as the 390 and 427, Im assuming that was a typing error there.
Thanks Max, I missed that when I profread it. You are right I was putting that the 410 and 428 share the same stroke and I got in a hurry and typed 406. I had that right in the line above that. I suppose I should go back and edit that so as to not give anybody the wrong information.
The 410 was only put in some 1966-67 Mercury vehicles. I had a landlord, years ago, that had a 410 in his 66 Park Lane convertible.