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What gears should I run with 35 tires on a 2010 Yukon

Jweeks800

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Jweeks800 New Member

Jweeks800

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I have a 2010 GMC Yukon XL with the 5.3 Liter with the 6 speed 6L80 transmission. It originally had 265/70/17 tires and 3.08 Rear end gears. I recently lifted it and put 35” tires. I am debating on 4.10 gears or 4.56 gears. According to what I have read a 4.10 will get me back close to the same RPM at 70 mph with 35” tires as the stock 3.08 with factory size tires. But 4.56 might give me more power. Do any of y’all have any experience with this and what do you recommend?

  • 4 weeks later...
Tahoe-verlander New Member

Tahoe-verlander

Posted
Posted

Having installed dozens, and dozens of gear sets for people. In various trucks.

 

The rule I always say is "whatever ratio you think you want-go one step deeper" 

 

Only one single time did someone afterwards wish they hadn't. And it was because they wished they had gone 2 steps deeper rather than just one. 

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