16.7 mpg !!!!

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Apr 9, 2010 | 01:45 PM

#16

V97F350

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Joined: Mar 2010

Posts: 38

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From: Hammond, WI

Michael, just wait until you put in that 6637 filter! You'll be lovin the sound of the Turbo! of course maybe your fuel mileage might drop, but your engine will be happy with that extra AIR - so maybe not

Apr 9, 2010 | 01:47 PM

#17

V97F350

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Joined: Mar 2010

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From: Hammond, WI

I'm also thinking synthetic 5w40, hmm I should do this tonight before heading to Iowa. Ah, my honey do list is already too long..

Apr 9, 2010 | 02:22 PM

#18

scatgo

Posting Guru

Joined: Nov 2007

Posts: 2,014

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From: Long Island, NY

Quote:

Originally Posted by Brown Falcon

sounds like my next oil change is going to be synthetic 5w40

Please try the Mobil, I still dont belive the gains I am getting with it.

Apr 9, 2010 | 02:31 PM

#19

msmenne17

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Joined: Jul 2009

Posts: 3,526

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From: Lunchtown

Quote:

Originally Posted by V97F350

I'm planning to do a 6637 the next time I need to do an air filter change (sometimeat late spring/early summer). Here's my theory (maybe it's crack). If I can get up a hill at 55 and keep from downshifting (I'm close now), then my MPG should go up at least a little bit. My wife and I drive a ton. We live 20 miles from pretty much everything (work, church, groceries, etc..). My wife is 35 miles from work and 45 miles between one job and another.

I did the 10K last week and I'm on my first fresh tank. So far, it's looking about even. If I can get 18 or better, I'll consider it a success.

Apr 9, 2010 | 02:49 PM

#20

Brown Falcon

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Joined: Jul 2008

Posts: 11,231

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From: Thomasville, GA

Quote:

Originally Posted by scatgo

Please try the Mobil, I still dont belive the gains I am getting with it.

how much is the Mobil synthetic?

Apr 9, 2010 | 04:17 PM

#21

richdawg

Fleet Mechanic

Joined: Oct 2006

Posts: 1,386

Likes: 1

From: Spokane, WA

I ordered 16 quarts last night from Advance Auto Parts (free shipping if $75 & discount if over $100 purchase. http://shop.advanceautoparts.com/wcs...ehicle_hdr.png