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Pickups Diesels Chevy Silverado and GMC Sierra Duramax Fuel Mileage
490 messages, Last post on Oct 09, 2009 at 6:05 AM
You are in the Diesels Forum. Your Host is kcram
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Replying to: jbull454GMC (Jan 25, 2009 5:20 pm) One thing that I had in my Silverado that I would recommend is a K&N air filter, it will add 10-12 HP, and as you know your will get better MPG with more HP, and colder air. It's pricey but it's the last you will have to buy! 
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Replying to: losman54 (Jan 25, 2009 5:34 pm)
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Replying to: jbull454GMC (Jan 25, 2009 5:44 pm)
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Replying to: losman54 (Jan 25, 2009 5:52 pm)
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Replying to: jbull454GMC (Jan 25, 2009 6:38 pm)
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Replying to: losman54 (Jan 25, 2009 6:47 pm)
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Replying to: jbull454GMC (Jan 25, 2009 7:00 pm) http://www.oilsandlube.com/dieseloil21.htm Based on what this says...I'm willing to give it try after I ask to see if it would void any warranties.
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| You know I must of just taken a stupid pill! I just remembered that my wife's Jetta diesel gets synthetic oil every 10K miles,,,btw...we get 48-50 MPG | |
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Replying to: losman54 (Jan 25, 2009 7:12 pm) |
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http://www.performanceoiltechnology.com/DuramaxDiesel.htm "Chevrolet Duramax Diesel Owners Learn about AMSOIL synthetic motor oil from experienced Diesel Truck Engineers and Lubrication Specialists right here in the auto and truck engineering and manufacturing capital of the world- Detroit, Michigan. We are diesel engine, powertrain and chassis experts and are here to help you achieve optimum performance and longevity from your truck. You've spent your hard earned money on the Duramax Diesel option in one of the most popular and well engineered trucks there is, now don't you think you owe it to yourself to use the very best oil in it? And don't let your local dealership service center tell you that you you have to use their brand of oil to "maintain your warranty". That is a false statement by the dealership, yet it goes on day in and day out. We constantly receive calls from customers that were told this by their servicing dealership. This practice is not authorized or condoned by the auto manufacturers, but the fact is it still goes on. How a servicing dealership can essentially tell a customer that they have to use a lower quality oil than AMSOIL to "maintain their warranty" is not only wrong but it is also illegal unless they provide it free of charge. There are Federal laws that protect you against this. Please read our Warranty Laws You Need to Know section of this website to learn more or send us an email. Take a look at the varnish deposits in this picture below. These are the results of a severe high temperature deposit test. The one at the far right is AMSOIL Synthetic 15W-40 Diesel oil and the others are major brand petroleum diesel oils. (left to right: Chevron Delo 400, Cummins Premium Blue, Shell Rotella T, AMSOIL 15W-40). The test clearly shows that AMSOIL keeps engines cleaner longer than other major brand diesel oils do. Which oil would you rather have protecting your engine?"
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