You want no less than 1&1/4 times the bolt dia, that amount of thread engagement including gasket/washers etc & a bit more than that is OK. Mockup what you have & if you have a certain # of bolts of a particular length/thread/etc that might help you group them. Most critical is the DR front of the block where the front cyl wall on that bank is the closest


live every 24 hour block of time like it's your last day on earth