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Did it help your mpg a good bit also?
I just put 4.56s in my truck and it was worth every penny. Feels like i have power again
Around what RPM is your truck at on the highway around 70 mph.
And to the original question its really a personal preference. I think I'm going to run 4.11s on mine. I have 37s on my 1500 5.9. I don't like the idea of going too high (or low depending on how you look at it) because of RPM at highway speed.
*cough*dog*cough* *cough*4.56*cough*
Excuse me, I see to have allergies bothering me.
*cough* 4.88s *cough*
Dammit its contagious.