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Old 08-15-2017, 03:48 PM   #5
Wrmn&bankgal
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Join Date: Jul 2017
Location: San Antonio
Posts: 21
M.O.C. #20242
I had one with my old trailer. I pulled with a 92 F250 with a 460 gas. It helped a little about 1 to 1 1/2 per gallon. I went to diesel and it made no difference. I ended up on my 08 6.4 changing the exhaust, and putting in a programmer. I get not bad mpg but I now have a lot more power.
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Darryll & Cassy
2009 Montana 2980RL
2008 F350 King Ranch Dually.
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