Gear Vendors behind a 6.7? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 2 (permalink) Old 10-17-2014, 07:52 PM Thread Starter
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Join Date: May 2011
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Gear Vendors behind a 6.7?

Curious as to what you guys think the result would be in adding a GV to a 11 crew cab 4x4 6.7 truck? Will it gain any mpg's running empty? I have a GV sitting under my bench doing nothing at the moment so I am debating getting an adapter and putting it in my truck.
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post #2 of 2 (permalink) Old 10-20-2014, 01:09 PM
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Join Date: Jul 2007
Posts: 1,076
Re: Gear Vendors behind a 6.7?

No doubt in my mind you will gain 1-3 MPG running empty with a GV.

Your engine should handle it easily. My 7.3 (dynoed at 230 HP/560 ft-lb torque) handles it easily even with my super long legged gearing. Your 6.7 should sneer at the load.

What i would suggest that your have a talk with your favorite automatic transmission guy. I use the GV fearlessly because I have the stick. Slowing the engine down at a given road speed reduces the flow of ATF to the cooler, allowing heat to build up in an automatic tranny. Excessive heat makes for spectacular (parts scattered down the road) and expensive transmission failures.

If you think your transmission will take it, I say go for it - particularly if you drive the truck a lot.

2000 F-350 SC 4x2 6 speed
3.08 gears Gear Vendor Overdrive
Slammed 4"
Rugged Air Dam
315,000 miles
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