Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 05-08-2006 | 01:14 PM
  #21  
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I get about 160-175 miles to a tank (I have the smaller 98 tank as well) 100% city. I'll get 250miles on the highway. This is with 4.10 gears 6-speed, bolt-ons, and a cam.
Old 05-08-2006 | 01:52 PM
  #22  
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Heres another question, in my manual it says my tank holds 16.9 gallons, but whenever I fill it up from empty (really empty lol) the pump stops at aroung 15 gallons, I think I got 15.5 one time.
Old 05-08-2006 | 01:55 PM
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With out the cam I would get 240-260 per tank in the city and about 380 on the highway. Now with the cam i get 230-250 in the city but havent been out of town so cant say about the highway. I really need to get a tune.....
Old 05-08-2006 | 10:10 PM
  #24  
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IM normally 17-20 with mods in sig, drove it to Illonois and got 25 with out cam and heads.
Old 05-08-2006 | 11:52 PM
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The best Ive ever gotten was 23 mpg on a trip to Chicago and then city driving. I got 300 to a tank but I filled up with like 13 gallons. My tank is only 15.5 gallons.
Old 05-10-2006 | 04:25 PM
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full bolt ons untuned with a TR227 cam i go 250-370 miles (370 was cruzing at 95 for a good hour of it, crusing at 85 most of the time, and some stop and go). i usually fill up at gas light, usually 14.2-14.5 gallons.




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