thebigf Posted October 30, 2022 Report Share Posted October 30, 2022 Hi all. I bought a 2014 SEL 3.5 company car a couple of years back. When I was investigating doing a front undertray to aid aerodynamics recently, I noticed two screw locations on each side where the wheel well liner attaches, just aft of the front air dam. I see two air deflector bits in the parts listings. I'm thinking the servicing dealer removed but didn't replace them. Would someone know what is supposed to be there, the two air deflectors, and especially if it should have a lower engine cover like most vehicles have these days. I do 2000 mile trips often and would like to get whatever extra mileage from having these parts would provide or ones I have to build myself. Factory bits preferred. Smooth underbody desired. Thanks. Quote Link to comment Share on other sites More sharing options...
Haz Posted October 30, 2022 Report Share Posted October 30, 2022 (edited) Do you have part numbers for the air deflector panels you have identified online? Good luck! Edited October 30, 2022 by Haz 1 Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted October 30, 2022 Report Share Posted October 30, 2022 (edited) Look like these? https://www.partsgeek.com/gbproducts/AC/96723-04250684.html Edited October 30, 2022 by enigma-2 2 Quote Link to comment Share on other sites More sharing options...
thebigf Posted October 30, 2022 Author Report Share Posted October 30, 2022 Not sure, my Edge doesn't have them ?. Thanks for the link. It doesn't have 3, above, and it would account for 2 of the 4 screw holes. Tasca has this diagram so I'm thinking 1, 2 and 3 are missing. 12 is an undertray but is listed as 2.0l only. 1 Quote Link to comment Share on other sites More sharing options...
thebigf Posted February 19, 2023 Author Report Share Posted February 19, 2023 I decided to make my own since I'd like to do a center section to improve what Ford did, and to add a rear section as well. The progress so far - front trial fit and the nearly complete front section. I test drove the trial fit. It seems more stable and quieter at all speeds and gave a (albiet short-term) mileage improvement of .5 to 1 litre/100 km. A long-term mileage test required to prove it however. I can't see that a full tray would be detrimental to any of those conditions so I'm going on to the center pieces soon. I drive across Canada 2 or 4 times a year so any improvement is welcome. 4 Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted February 20, 2023 Report Share Posted February 20, 2023 ?Looks great. Wonder what a "mechanic" will think when he goes to do an oil change? Hack, hack, hack. There. Now I have access. (Sigh). Really does look good however. What material did you use? Quote Link to comment Share on other sites More sharing options...
thebigf Posted February 20, 2023 Author Report Share Posted February 20, 2023 (edited) Just now, enigma-2 said: ?Looks great. Wonder what a "mechanic" will think when he goes to do an oil change? Hack, hack, hack. There. Now I have access. (Sigh). Really does look good however. What material did you use? The round holes, how with covers installed, are below the oil filter and drain locations. I do all my own work so it shouldn't get abused by someone else. I used 1/8" plastic sheeting, so called 'puck board'. It's used to line the boards in hockey areas. Strong and light. The plan is to attach two more panels, one either side of the exhaust space from the trailing edges of the front tray around the front wheel openings to the sills then rearward to at least the muffler area. Edited February 20, 2023 by thebigf 2 Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted February 21, 2023 Report Share Posted February 21, 2023 Being plastic, how does this board hold up to gasoline and oil? Quote Link to comment Share on other sites More sharing options...
thebigf Posted February 21, 2023 Author Report Share Posted February 21, 2023 "Puckboard, sometimes called arena board or hockey board, is a versatile, adaptive plastic material. Made of sturdy HDPE (High Density PolyEthylene), puckboard is tough resilient, and can take a beating without cracking or breaking even in freezing temperature. This product is extremely impact resistant and resistant to a long list of chemicals. Also performs well in cold weather environments." 2 Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted February 21, 2023 Report Share Posted February 21, 2023 I read that it has a class B rating on Gasoline and class A for certain oils and class C for other oils. For the class A oils, butter, castor oil, corn oil. For the class C oils, linseed & mineral oils. It seem exceptionally susceptible to cleaning solvents and certain acids. Petroleum oils were not listed as being tested. Class A for road salt. Class B - Resistant no indication that serviceability would be impaired. Variable resistance, depending on conditions of use. Class C - Unresistant, not recommended for service applications under any conditions. I'd say it was s good choice overall. 1 Quote Link to comment Share on other sites More sharing options...
thebigf Posted March 5, 2023 Author Report Share Posted March 5, 2023 I rough cut the HDPE sheet, then started laying out the L/R center templates yesterday. Right side done, left to go. Ford bit on top for comparison. 4 Quote Link to comment Share on other sites More sharing options...
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