Compression Ignition Addict
Join Date: Jun 2008
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I think a tuner is fine for reliabilty if your smart with it
The transmission shifts better with a tuner
Fuel ecomony is better.
Like i said you have to be responsible so watching things like egt's engine and trans oil temps ect. I dont think a tuner will hurt anything that hasnt already been damage, so when i say this i mean like if the high pressure fuel pump has issues, spartan wont cause it but it may speed up the failure if that makes sense. I have had a tuner on my truck for about 4k and i have only had the truck for a little over 5k miles. Everty truck i have owned has had a tuner since i pretty much bought the truck.
If you really plan on getting that 40foot trailer, and plan on towing it alot gears is a wise choice, but if you dont plan on towing it that much then its not a big deal. There have been guys that will post up on here that say 37's equate to pulling a 2000 pound trailer around everyday, do i agree, not totally but it does put a load on the truck for sure.
single turbo'd 6.4