Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
09-16-2021, 12:22 PM
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I put 375k on a 2005 Duramax I ordered new and then sold it to an employee. It is still going. I then purchased a used 2005 with 61k on the clock, it now has 402K. Both always had Amsoil. I use the bypass filter and change oil every 25K. I use the Amsoil in the Allison trans as well.
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Chris 1966 Yenko Stinger YS-070 1967 Yenko Stinger YS-199 1969 Yenko Stinger YS-320 Southeast of Disorder 
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