Safety Recall

I was wondering about the comments of increased mpg after spoiler installation.  A couple of years ago, I and another member ran some aerodynamic simulations and didn't find any real improvement in airflow using small spoilers on the back of the Pod.
This is where anecdotal information falls apart...single incidents may not be valid overall.  Installing the spoiler may cause you to slow down for increased mpg. Or the first trip you take afterward may have few headwinds or few hills and valleys.  You need to travel quite a few miles under many varying conditions to validate the increase in mpg with the new spoilers.
For example, my niece will not have her kids vaccinated for the flu because a relative had an adverse reaction to the shot.  Now she believes that anyone who gets the shot will come down with an allergic reaction.  And no evidence to the contrary will convince her that it is better to get the shot!
While visiting my local FR Pod dealer, I encountered another Pod owner who recently had the spoiler installed.  He insisted that his mpg had increased from 10 to 15 mpg because of the spoiler.  The dealer had never heard about such an increase in mpg from anyone else.  After the other owner left, we both agreed that the spoiler had little if anything to do with his increased mileage.

Couple posts back, I compared my towing mpg with and without the recall installed wing. I noticed a marked improvement with the wing. Well, now I'm a real believer. We took a trip to my wife's favorite campground (Cape Disappointment in WA state). We've gone there many times, and, as always, I hand figured our towing mileage. This is a moderate tow over lots of up and down foothills (Willapa Hills). Previously the worst and best trip mileage for this trip with this truck have been 10.1 and 11.5 mpg. This trip we got 12.7 and the conditions were not optimal for towing--rain and head and side winds--very comparable to the time we got 10.1 mpg. For my towing combo, I think the wing really does improve my mileage.

Well, I got the recall done yesterday-6 hours towing with 5 hours to install. Long day. It looks like I'm gonna be one that the spoiler helps with mileage. The route to my dealer is a common tow for me that I've always checked mileage and monitored engine performance with my ScanGauge. Yesterday I got 11.0 towing there and 14.1 towing home. My best previous mileage was 13.1 on this route. These are all hand figured.Also the ScanGauge indicated that my transmission temperature was 10 degrees cooler pulling the toughest grade coming home. The engine pulled this grade about 200 RPMs less than usual, and the transmission did not search as much. I didn't feel the need to manually downshift, which is not common. All of these things indicate that the wing does help lessen wind drag, and helps 55 to 60 mph be my towing sweet spot with this truck. 

Susan got back to me, the materials have been delivered, and appointment set for 10/3. Progress is being made after 3 months of inquiries. Now to sweat out the install.

We seem to have hit a wall as far as our recall goes. When we originally called the dealer they seemed positively giddy with the prospect of our coming in to have the work done, took our VIN and said they would get parts posthaste. It was understood we'd be in after Labor Day. Called them twice since Labor Day to set up an appointment, the last time on 9/5, and they've not bothered to return either call.