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Old 04-02-2015, 08:45 PM   #5
gottattooz
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Join Date: Apr 2008
Location: Hampton, Ga
Posts: 876
Re: LS Swap MPGs_What're you getting?

68 swb c10 with 4.8l/4L85e 3.73 gear, all stock, getting 16-18 mpg. That gear is too tall for overdrive. You need a 3.42 or higher. Lugging in overdrive eats your mpg.

-Josh
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