if any of you guys are trying to decide if electric fans are worth the money, let me just say... YES!!! I just installed the Flexalite FAL-270 kit on my 2000 Expy/4.6L/4x4 last weekend and i am very pleased! the quality of the kit is top-notch and it looks very clean installed. you can DEFINITELY feel the difference in power! More on bottom end(stoplight to stoplight) but still IS noticeable passing on the highway. i weighed my factory clutch fan...9lbs.!!! i havent been able to check mileage yet , but im sure its gonna improve...i'll re-post when i get the info.