biking up mountains

Since 2001, over 90,000 cyclist's have joined Cycling Forums to discuss topics from general cycling to equipment, training, racing and travel or vacation destinations (especially in europe during the tour de france). We also feature an great deals in our online store, 100's of articles, classifieds and product reviews.

alright, here is the deal...
long ago i bought this aluminum mongoose bmx off a friend
it weights almost nothing... i can literally walk around with it above my head all day long.. thats how light it is

my friend and i have been biking up GMR(glendora mountain road) a lot lately.. he uses a mountain bike and i use my BMX... sounds weird, but i love it

can anyone advise me on the best gearing for uphill riding

the only thing i use this bike is for going up the mountain so i am curious as to what gearing would be the most energy efficient

seeing that it is a bmx and i will have only one gear, i want to go up as fast as i can with the least amount of effort

my current setup is as follows: 44 tooth chainring and 16 tooth freewheel