I do a 30 minute pale ale and it's totally fine. I do use 2 row instead of pils malt though which might have something to do with it. Not sure what your grist was though or what brand grains you were using. I've found that not all brands are created equal...
Camp Brew Co.
On Tap: Feed Your Head Irish Imperial Stout
Primary: Stony Man APA, Bourbon Oak Feed Your Head
Bottled: Imperial Pumpkin in my Pie