Leave about 2.5cm from the very top and you should be fine. Did you check if those bottles were meant to handle the pressure of carbonation? I would keep them in a rubbermaid tub with a lid to prevent skunking and contain shards if you end up with bombs.
Primary: Pineapple Heffeweizen, Skeeter Pee
On Tap: Simcoe/Amarillo IPA, Centennial Blonde
Bottled: Milk Stout(bronze and gold medals), Spiced Punkin Ale, White House Honey Porter (ag), Mango Wine, Gerwurztraminer
"If wrong feels so good I don't wanna be right."