Rick ,
CHECK OUT THIS LITTLE GEM !...if ya gonna mess with motors ...I have this item, & was onna the better investments I have ever made ...an for $20+ bucks ..it saves a lot of grief !

http://www.drivewerks.com/catalog/shipcart/TOOL/POR_TOOL_CAT591_pg2.html

Click ...engine tools then cooling system & check out Spill Free Radiator Funnel,It is worth every penny !You can run the engine with the funnel full and it will burp out ALL the air and fill your radiator to the perfect spot ..while you set back and have a cup of coffee .
Tim


1952 Chevy Shortbed

Photos in Photobucket

If It Aint Broke Fix It Till It Is!