6.7L Cummins/Auto 6spd do's and dont's? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 10-22-2010, 06:18 AM Thread Starter
& amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; quot ;Mis s me yet&a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;q uot; George Bush
 
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6.7L Cummins/Auto 6spd do's and dont's?

What can the 2011 6.7L 6spd auto stand up to? I tow often in the mountains between 10-14k pounds and would be interested in tunning it for more power. Can the engine and tranny hold up to an aggresive tow tune? How much power can they handle before they start having issues, what are the week links?

Sorry for all the questions but I am new to the 6.7L Cummins, but I have driven one for a few weeks but it seems a little weak on the power side, especially when towing? My wife and I went and looked at a new loaded megacab and it is priced much better than the Fords and may be getting one.
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post #2 of 5 (permalink) Old 10-23-2010, 02:37 AM
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What really wakes these trucks up is deleteing the emissions equipment if you are not worried about the warranty, and using a trans tune such as the Overdrive tuning from H&S Performance. I wouldnt reccomend running the higher hp tunes while towing, but you should be good up to the 90 hp tunes on the H&S products. If you have never driven a deleted 6.7, they are a night and day difference.
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post #3 of 5 (permalink) Old 10-23-2010, 10:42 AM
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First thing to do is install an EGT guage, add a line pressure booster by Sonnax.com ..



Do a cold air mod the way I did (free) Click here to see




Deleting any exhaust components is a federal offense and you will soon be re-installing it because the nation is slowly enforcing the EPA testing. And no doubt I will catch grief over this statement.
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post #4 of 5 (permalink) Old 10-23-2010, 07:32 PM Thread Starter
& amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; quot ;Mis s me yet&a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;a mp;q uot; George Bush
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Does the tranny hold up well to the added power?
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post #5 of 5 (permalink) Old 10-23-2010, 07:52 PM
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It has for me in towing heavy. I don't racr or spin tires.
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