First oil change,Whats Best for these 5.0's - Page 2 - Ford Mustang Forum
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Out of all of the Mustang's I've had, I have always used RP or Amsoil.

Now that I have a Track Pack GT and will be racing it, 5W50 is "required" however, I went with RP 10W40 since this is not going to be a track car and raced hard often. I've spoken to a couple of Engine oil guru's and they've flat out stated that the Motorcraft oil (5W50) shears too quickly easily becoming a 40 Weight oil, whereas an Amsoil or RP will hold up with harder driving.

In addition, I've always felt that Amsoil was a great oil and it had almost no oil consumption compared to the RP I used to use. Mobil one is most certainly one of the better options, but, after a lot of tests in which those results are posted online, Amsoil and RP perform better with less long-term wear on the engines.


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Ordered: 3/19/2014 - Built: 5/13/2014 - Delivered: 5/19/2014
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Oil change

I do not have the track pkg....should i use the 5/50?


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Quote:
Originally Posted by stigma View Post
I do not have the track pkg....should i use the 5/50?
5W50 is overkill for these motors IMO.

If you don't intend on racing the car, 5W30 is the way to go for summer driving and 5W20 for winter.

2014 GT - Track Pack, Leather Recaros, Electronics Package, Back-up Camera - Ported CJ Manifold, SCJ Mono-Blade TB, Custom Intake, Kooks 1-3/4" LT's, Kooks O/R H-pipe, Borla S-Types, AED Tuned - 443 RWHP / 388 RWTQ

Ordered: 3/19/2014 - Built: 5/13/2014 - Delivered: 5/19/2014
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I use Motorcraft 5W-20 and a Motorcraft FL500s filter on mine. I may go with the FL820s filter next time.

Wayne

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