Thread: 8.1 & Allison?
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Old 03-14-2016, 06:11 PM   #10
elle
 
Join Date: Jul 2011
Posts: 478
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I had one. Towed like a beast. I don't remember it being much worse mpg than my current 6.0. Mine used1 qt every 4k miles. I have heard horror stories about oil consumption. I'm sure you know but check the brake lines on those Chebby's.
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