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Old 10-17-2014, 02:34 PM   #9
bowtieguy79
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Join Date: Mar 2008
Location: Delavan, IL
Posts: 677
Re: Engine swap to 6.0 question...

Quote:
Originally Posted by 67 cst swb View Post
I guess my thinking here is...
A friend of mine has a 2003 Suburban with a 6.0L and It is much better to drive powerwise than mine is. The thing I noticed is that the RPM's running down the interstate is about the same on both vehicles and they both have 265/70-17 tires.
So, thinking the 6.0 would be an easy swap.
Is his Sub a 3/4ton? if it is, the difference in the 4L80E on the 3/4ton and your 4L60E is going to give you a seat of your pants difference in driving experience. And chances are he has a towing gear ratio. Again, speculation.

I get where you are coming from though.
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