Originally Posted by hcarter
My preference is a Johnson CM 30 Pump , should not be a problem (shelf life) sometimes things just go bad, 
The OEM pumps are notorious for that ......... Good Luck.
Im skeptical about my current cm30 pump. Just ordered the factory style pump off siliconeintakes.com that someone was nice enough to link in the "no boost" post. $130 shipped, and if i need it ill have it.