joeniel
Mon, May 16th, 2011, 11:20 PM
Quick question.. What does the whisper mode tune change to make the truck 'whisper'?
Thanks!
907DAVE
Mon, May 16th, 2011, 11:52 PM
Yip!
It really quiets down the engine.
dietoremain
Tue, May 17th, 2011, 12:24 AM
it cuts timing wayyyy back, aka you're dumping raw fuel, and its only for idling... nice for at the drive thru window when you're handin your money n gettin yer food.