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What`s the going price for a used 6BT?I didn`t think they were that cheap.The $6,000 is for a custom motor r&r and labor.Let`s not forget to figure labor in.This isn`t a used junkyard motor and a standard rebuild would be less than 1/2.I`m talking about a finely-built no expense spared motor.As far as mileage,I get 22 mpg in a 3/4t 4wd Suburban w/12.50/35x16 mud tires.The same vehicle with a 350 would be stretching it to get 1/2 that,with stock tires.
How much extra was that 8.1/Allison?What`s your mpg,if you don`t mind me asking?Besides,I was refering to the overall price of a truck.That $5,500 is at least money towards economy.What other options do anything but cost you?I drive about 25,000 miles a year.At 10 mpg and $3.00 per gallon that`s $7,500 per year.At 15 mpg,that`s about $5,100.Take five years to pay for truck,that`s $11,000 saved and you`ll have 125,000 miles on the truck.Use the truck for 10 years,that`s $22,000 you`ve saved on fuel and you`ll have 250,000 miles on the truck,which is not uncommon at all.In fact,let`s go another 5 years@ $11,000 and you`ve saved $33,000 in fuel.
I`m not negating other motors,it`s all good.I`m also not telling anyone what to do.Just presenting info.I don`t need to put anything down to justify my choices.I know lots of guys that have swapped to Cummins motors.You`ll never get the power that can be had with a 6BT from a Detroit-Allison.But,it all costs money and does require a good bit of work.It`s just a matter of time before Dodges are powered by Mercedes diesels.There will be an abundance of used Cummins6s in the future for all of us.