2012 SuperCrew 4x4 Ecoboost and 2015 Jayco 29REKS

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11-18-2014, 08:37 AM

#11

DieselDawg

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Location: New Braunfels, Texas

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Quote:

Originally Posted by modexi

I run the 5* 87 and the next one up I have is the 93. Is the difference between the 87 and 89 noticeable? I opted for the eco tunes instead of the 89 tunes, but never used them.

Nice rig.

I originally had an ECO tune and ran it once for ****s and grins...didn't really test it enuff to say much about it. The 89 tune (I do use 91-93octane) seems to run a bit stronger but they both pull with no problem. I run higher octane to be extra safe when towing in Texas Heat. To be honest, the 87 Tune has all I really need to tow ... I don't like to change tunes all that often so I settled on the 89perf/tow for all around driving.

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11-20-2014, 10:01 AM

#12

acadianbob

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Quote:

Originally Posted by DieselDawg

Just got back from Dallas vs NY game...fuel average towing was 9.1mpg including some city and cruising between 65-72 highway. Most of the time trying to hold 68mph.

Towing over 65 mph is a questionable activity IMO. Do you know the speed rating of your trailer tires? Most ST trailer tires are rated for 65 mph.

Just trying to keep you safe.

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