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Re: What have you guys done with/to your trucks this summer??
With 4:11s and a 4l85 in the suburban I could just squeak out 15mpg on longer highway trips. I don’t think that was bad at all considering it was a heavy ass Loaded 3/4 suburban. Mine was an 01 with the adjustable fuel pressure regulator. I always wanted to crank it up some to see how it would run but never did.
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