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Old 01-23-2013, 12:30 AM   #67
TR65
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Join Date: Nov 2007
Location: Greenville, SC
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Re: TR65 LS2 T56 Engine Swap 65 C10

Thanks for the kind words men.

Alex,

I have posted the mpg story on some of the mpg threads. After careful measurements, Odometer calibrated with GPS, same gas station parked the same way at the same pump etc. I can't get but an average of 17.5 mpg. I have a C6 Vette with exactly the same final drive ratio, both run 70 mph at 1800 RPM. Basically the same engine. On the same circuit same speeds back and forth to work the Vette gets a true 21 mpg. That huge difference I believe is due to aerodynamics. Our trucks are rolling billboards.

So I was disappointed but the truck is a great ride and I drive it every day in good weather, the Vette is the bad weather car.

TR
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LS2 Swap Thread http://67-72chevytrucks.com/vboard/s...d.php?t=413880
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