77vinny Posted October 31, 2012 Report Share Posted October 31, 2012 I just purchased this shelby and i have no Idea what oil was used prior. It has a motorcraft filter so I figure it was done at the dealer? I live in the high desert of Arizona where temps can go to zero in winter and 100+ in summer. I was wondering if you have any recommendations for the weight of oil and whether i should use a full syn or not.(semi)?. i was thinking of going to a 5-30 full syn product. Thanks for your input. Link to comment Share on other sites More sharing options...
WillyT Posted October 31, 2012 Report Share Posted October 31, 2012 I like mobile 1 myself, but there are a lot of threads on here so you can search on it and get some other opinions. Link to comment Share on other sites More sharing options...
AstroDan Posted October 31, 2012 Report Share Posted October 31, 2012 Mobil full synth 5-20... Link to comment Share on other sites More sharing options...
2+2 Posted October 31, 2012 Report Share Posted October 31, 2012 Go with the owners manual. Motorcraft semi syn 5-20 I believe for the SGT. Just like the standard GT 08' Mustang Link to comment Share on other sites More sharing options...
Glenn Greenwell Posted November 1, 2012 Report Share Posted November 1, 2012 Go with the owners manual. Motorcraft semi syn 5-20 I believe for the SGT. Just like the standard GT 08' Mustang +1 I do Motorcraft 5W20 Semi Synthetic Blend and Ford filter.......... GG Link to comment Share on other sites More sharing options...
77vinny Posted November 1, 2012 Author Report Share Posted November 1, 2012 +1 I do Motorcraft 5W20 Semi Synthetic Blend and Ford filter.......... GG thanks GG, Ill go with that. Link to comment Share on other sites More sharing options...
Larry T Posted November 1, 2012 Report Share Posted November 1, 2012 Ford Racing filter and 5w20 Mobil 1 ... Surf and you will find Mobil 1 is the factory fill for lots of car makers. http://www.mobiloil.com/USA-English/MotorOil/Factory_Fill/Mobil_1_Factory_fill_home.aspx Link to comment Share on other sites More sharing options...
Jer Posted November 1, 2012 Report Share Posted November 1, 2012 I use Mobil 1 5W20 oil and this filter: http://www.shelbystore.com/product-p/m-6731-fl820ind.htm Enjoy the car! Jer Link to comment Share on other sites More sharing options...
brandyspaw Posted November 1, 2012 Report Share Posted November 1, 2012 I'm in Southern Arizona and I'm running the factory recommended weight of 5W-20 oil right now (I'm using full synthetic Valvoline) in my SGT. But I'm only using the 5W-20 for the cooler winter months. For the extreme heat of summer down here where we can have 118 degree days I'm planning on going with a full synthetic 5W-30 oil for those times. Link to comment Share on other sites More sharing options...
07SGT Posted November 1, 2012 Report Share Posted November 1, 2012 Mobil One has received a lot of bad press over the last couple of years for not meeting the series iva tests which lead to excessive wear. Other synthetics have done much better. Actually almost all the synthetics have done better. I would use the Motorcraft filter. But amsoil, pennzoil, royal purple, and castrol synthetics may be better than the old Mobil One. http://jobbersworld.com/valvolineq&Apage1.htm http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1355192&fpart=4 Link to comment Share on other sites More sharing options...
07SGT Posted November 4, 2012 Report Share Posted November 4, 2012 I think amsoil is a good oil but I have first hand experience that it does not last on extended oil drains as claimed. This was in a fleet service and it did not work for us. And I also tired of the limited availability and having to pay a higher price plus shipping. For that reason I prefer to buy a good synthetic at Wally World or the local auto parts stores. Link to comment Share on other sites More sharing options...
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