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Re: Rear end gear change with 20's ?????
I have a '00 5.3 with 4:10 in mine & 325/30/20, it gets 16 mpg with intake and exhaust. Really pull hard, also has a Eaton in it. My brother in law just bought a new CC w/ a 4.8 and the 3:23 have not ridden or driven it yet thought to see how it compares, he gets 18mpg on his short commute to work.
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'70 Chevy stepside, ECE discs & 4/6,
'00 GMC ext. cab stepside, never ending project
'07 GMC Crew Cab, 24's & 5/7
"We, the unwilling, led by the unquailified, have been doing the unbelievable for so long with so little, we now attempt, the impossible with nothing"
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12-30-2006, 02:04 AM
Hybrid Mode
