|
found the answer burried in another thread
Quote:
Originally Posted by AutoJim
The fan always *turns*, but the fan drive only engages when needed. On warm/hot days with the AC on, it'll engage (at least partially) at stoplights, and when the light changes and you pull away, there's a bit of "flare" that makes some noise until the fan drive can pump out.
Normal stuff. You try to make a 26" fan with a roughly 3" pitch quiet above 1500 rpm or so, without compromising airflow. If you can, let me know and I'll put you in touch with the supplier, who will probably pay you for the patent rights...
|
sweet
__________________
Stock 2006 F250 6.0L, 96,000 miles, XL reg. cab FX4, manual trans., tow package, gooseneck hitch, spray in bed liner, BFG's all terrains, sirius+CD player, edge insight (Delta ~ 5º), Rotella T6, Fumoto valve,
1985 Terry Taurus 23' travel trailer, 1967 Avion c-10 slide-in camper
|
