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2015+ Shelby GT350 Mustang
High Oil Consumption
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<blockquote data-quote="MustangGT350FAN" data-source="post: 16142759" data-attributes="member: 191463"><p>I figured I would post this here instead of a new thread.</p><p></p><p>I purchased the 2017 Ruby Red / Black Stripes Track Pack Shelby GT 350 off the Showroom floor on May 10th 2018</p><p>it had been sitting since October 2017, the car had 4 miles in the odometer.</p><p></p><p>The first 2000 miles I had the oil changed. at 3500 mi I noticed the oil level was low, so I put in 3 qts. I continually checked the oil at every fill up and noticed that I was at least 1qt low at every fill up. then it increased to 1.5 qts then 2 qts. At 8000 mi, I took it to the dealer and they performed an oil consumption test. After several trips back for checkups they determined</p><p></p><p>that I was using 1.5 qt every 220 miles they also noted that Cyl 1 & 2 spark plugs had oil on them. They said that they were waiting for Fords approval to replace the engine, the service writer said that they never replaced an engine in the GT350 and have never heard of any issues. I was concerned about this comment and decided to take my car somewhere else.</p><p></p><p>I went to Ted Britt Ford in Fairfax, VA because I met their Chief Master Tech who is a Shelby expert who has replaced engines in the GT350.</p><p></p><p>Unfortunately, We had to be the Oil Consumption test again. The test results were the same 1qt every 120 miles.</p><p>I dropped the Car off on Monday February, 4th 2019, for them to pull the valve covers and intake, do a borescope for Ford.</p><p>It took 15 min after all results were submitted and Ford approved an engine replacement.</p><p></p><p>This was Thursday February 7th, by February 15th the car is ready.</p><p></p><p>I have only Tracked my car twice</p><p></p><p>The date of manufacture of my car is 9/2017 [H6088]</p><p>Completely Stock Engine no mods or catch cans</p><p>Oil consumption was 1 quart every 120 miles</p><p>35% highway use - I did drive the Car to Erie PA at 1000 miles (700 miles Highway)</p><p></p><p>I did not drive the Car hard until after my first oil change (2000 mi)</p><p></p><p>I took pictures of the Borescope images.</p><p>Remember this engine had 9500 miles on it.</p><p></p><p>I believe this is the Head, near a valves</p><p>[ATTACH=full]1555589[/ATTACH]</p><p></p><p>[ATTACH=full]1555590[/ATTACH]</p><p></p><p>Not sure but he was pointing out the metal chunks</p><p>[ATTACH=full]1555591[/ATTACH]</p><p></p><p>Notice the oil pooling</p><p>[ATTACH=full]1555592[/ATTACH]</p><p></p><p>This is the Cylinder wall</p><p>[ATTACH=full]1555593[/ATTACH]</p><p></p><p>The tech said that the rings did not set properly Cylinder 2 was the worst, 3 was almost as bad and 1 was the least damaged.</p><p></p><p>He also pointed out that the new engine is a different part number.</p><p>[ATTACH=full]1555594[/ATTACH]</p><p></p><p>New Engine Build Date December 12, 2018</p><p>the Engine build is a 2019 GT350R motor.</p><p></p><p>Some have suggested that the ticker proves it's just a replacment motor, I have several others</p><p>post pictures of their Engine ID tags and it does show there has to be some differences</p><p>between the GT350 & GT350R motors.</p><p></p><p>So no the REP does not equal Replacment it means Romeo Engine Plant</p><p>and the GT350R the "R" does not mean replacment</p><p></p><p>notice the KA (2019) 555 is the GT350R engine Code, the GT350 is 557</p><p></p><p>the code along the bottom is EF0AA also equals Romeo</p><p>the 18346 (Engine Build Date in Julan Date format)</p><p>2200 (I dont know, but all engine ID stickers are the same.</p><p>01 (the number of that engine built that day)</p><p></p><p>the tech said that had to be replace the Oil Pressure Sensor Plug on my 2017 GT350</p><p>I guess it was not compatable with the 2019 GT350R one?</p></blockquote><p></p>
[QUOTE="MustangGT350FAN, post: 16142759, member: 191463"] I figured I would post this here instead of a new thread. I purchased the 2017 Ruby Red / Black Stripes Track Pack Shelby GT 350 off the Showroom floor on May 10th 2018 it had been sitting since October 2017, the car had 4 miles in the odometer. The first 2000 miles I had the oil changed. at 3500 mi I noticed the oil level was low, so I put in 3 qts. I continually checked the oil at every fill up and noticed that I was at least 1qt low at every fill up. then it increased to 1.5 qts then 2 qts. At 8000 mi, I took it to the dealer and they performed an oil consumption test. After several trips back for checkups they determined that I was using 1.5 qt every 220 miles they also noted that Cyl 1 & 2 spark plugs had oil on them. They said that they were waiting for Fords approval to replace the engine, the service writer said that they never replaced an engine in the GT350 and have never heard of any issues. I was concerned about this comment and decided to take my car somewhere else. I went to Ted Britt Ford in Fairfax, VA because I met their Chief Master Tech who is a Shelby expert who has replaced engines in the GT350. Unfortunately, We had to be the Oil Consumption test again. The test results were the same 1qt every 120 miles. I dropped the Car off on Monday February, 4th 2019, for them to pull the valve covers and intake, do a borescope for Ford. It took 15 min after all results were submitted and Ford approved an engine replacement. This was Thursday February 7th, by February 15th the car is ready. I have only Tracked my car twice The date of manufacture of my car is 9/2017 [H6088] Completely Stock Engine no mods or catch cans Oil consumption was 1 quart every 120 miles 35% highway use - I did drive the Car to Erie PA at 1000 miles (700 miles Highway) I did not drive the Car hard until after my first oil change (2000 mi) I took pictures of the Borescope images. Remember this engine had 9500 miles on it. I believe this is the Head, near a valves [ATTACH=full]1555589[/ATTACH] [ATTACH=full]1555590[/ATTACH] Not sure but he was pointing out the metal chunks [ATTACH=full]1555591[/ATTACH] Notice the oil pooling [ATTACH=full]1555592[/ATTACH] This is the Cylinder wall [ATTACH=full]1555593[/ATTACH] The tech said that the rings did not set properly Cylinder 2 was the worst, 3 was almost as bad and 1 was the least damaged. He also pointed out that the new engine is a different part number. [ATTACH=full]1555594[/ATTACH] New Engine Build Date December 12, 2018 the Engine build is a 2019 GT350R motor. Some have suggested that the ticker proves it's just a replacment motor, I have several others post pictures of their Engine ID tags and it does show there has to be some differences between the GT350 & GT350R motors. So no the REP does not equal Replacment it means Romeo Engine Plant and the GT350R the "R" does not mean replacment notice the KA (2019) 555 is the GT350R engine Code, the GT350 is 557 the code along the bottom is EF0AA also equals Romeo the 18346 (Engine Build Date in Julan Date format) 2200 (I dont know, but all engine ID stickers are the same. 01 (the number of that engine built that day) the tech said that had to be replace the Oil Pressure Sensor Plug on my 2017 GT350 I guess it was not compatable with the 2019 GT350R one? [/QUOTE]
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