It is best to get the 63 Oldsmobile service manual. It don’t have the best pictures but is better than you will find on the net. You can also join Wild about Cars. I believe it has a fee but it has the 63 assembly manual that you can download to your computer. it is not that user friendly but Wildaboutcars may be the best way to go because they also have the 62 Jetfire manual and 63 service manual that you can also download. It is best to use the 63 manual for the coolant lines because it is a much better setup than the 62 style.