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**Grumpy old man** · 02-21-2018, 08:50 AM

350/auto/long bed should get about 10mpg so it's either your tune ,your rear gear ratio or your right foot that's bringing down to 6.8 . spending $800.00 on a different set up ...Well $800 buy's a lot of gas

02-21-2018, 08:50 AM	#6
Grumpy old man Senior Member Join Date: Dec 2013 Location: Gods country East,Tn Posts: 8,545	Re: Gas milage help 350/auto/long bed should get about 10mpg so it's either your tune ,your rear gear ratio or your right foot that's bringing down to 6.8 . spending $800.00 on a different set up ...Well $800 buy's a lot of gas