The first magnum 360 blocks were drilled for LA head oiling. I've had a couple that were like that. I think they were early 1994 blocks. If you cant find a late 80's early 90's LA block you may stumble across an early magnum, just look for the oil hole, if it is there you can use LA heads.


1971 Factory Appearing Duster 340 11.000 @ 122 mph