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Old 04-10-2011, 01:46 PM   #18
Bill Hamilton
Mustang owner since 1970
 
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Join Date: Aug 2003
Location: Charleston,SC
Posts: 6,243
Re: Oil Viscosity for DOHC Ford

Quote:
Originally Posted by 2k4mach View Post
ive only used 5w40 amsoil in the shleby. so far so good lol
They say the original Motorcraft 5W-50 shears down to a 40W in about 1500 miles and some are recommending the Amsoil 10W-40.
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Bill
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USAF Retired
My 1970 Mach


2003 Ford Mustang Mach I---Black w/5-speed --- gone but not forgotten
2011 Shelby GT-500 --- Ingot Silver Metallic and 6-speed (Sold and Now Terrorizing the residents of New Zealand)

1970 Ford Mustang Mach 1---White w/351C-4v Shaker Hood scoop and T-5 tranny
2014 Shelby GT-500 --- White/red stripes and 6-speed
2019 Mustang Convertible Premium Package w/automatic

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