CM 871 getting 3.6 MPG

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CM 871 getting 3.6 MPG

06-18-2022, (Subject: CM 871 getting 3.6 MPG )

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RE: CM 871 getting 3.6 MPG

(06-18-2022 )Steel Dragon09 Wrote: Turns out #6 exhaust manifold gasket had small leak. The one behind the heat shield that makes it easy to spot (sarcasm). I changed the entire manifold and now get between 4 and 4.2 mpg with my 3.9 rears heavy foot (65-70mph) and average gross of 117,000 lbs.

stop driving it so fast and learn to drive it by your boost gauge, selecting a better gear so that you can keep your boost down to 20-psi or so in a pull. - Otherwise, your own right foot is that thing that is your worst enemy, it sounds like to me.

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Messages In This Thread

CM 871 getting 3.6 MPG - Steel Dragon09 - 01-30-2021,

RE: CM 871 getting 3.6 MPG - Rawze - 01-30-2021,

RE: CM 871 getting 3.6 MPG - Chamberpains - 01-31-2021,

RE: CM 871 getting 3.6 MPG - Rawze - 01-31-2021,

RE: CM 871 getting 3.6 MPG - JimT - 01-31-2021,

RE: CM 871 getting 3.6 MPG - Steel Dragon09 - 02-02-2021,

RE: CM 871 getting 3.6 MPG - tree98 - 02-03-2021,

RE: CM 871 getting 3.6 MPG - Steel Dragon09 - 02-06-2021,

RE: CM 871 getting 3.6 MPG - Steel Dragon09 - 06-18-2022,

RE: CM 871 getting 3.6 MPG - Rawze - 06-18-2022

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