LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Whats everyones MPG for their LT1's?

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Old 03-15-2008, 04:52 PM
  #31  
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get'em Injuneer
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Old 03-15-2008, 04:54 PM
  #32  
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I use to get 20-25mpg Highway and it seemed like 16-19 mpg City.....Just got my car back from a 3 year lease to my dad(sold it to him for the money I needed, got a decent job and paid him what he gave me and now I got her back)
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Old 03-15-2008, 05:15 PM
  #33  
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City: 16-17mpg
Highway: 27-28mpg

With bolt ons (CAI, headers, catback, MSD 6A), I'd get 30-32mpg on the highway with stock 3.42 gears. I lost about 2mpg just changing to 3.73s and around 1-2mpg with the cam/heads swap.
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Old 03-15-2008, 11:46 PM
  #34  
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Just crunching numbers. Is this right? If so my car is a fuel hog!

275 km to a tank of gas
50 liters cost $57
275/57 = 5.5 5.5 liters to the kilometer?

5.5 kilometers thats 3.4 miles???

I hope Im wrong here somewhere
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Old 03-16-2008, 12:48 AM
  #35  
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Why did you divide the number of kM traveled by the cost in $ (57)? Well, actually you didn't do what you typed... you divided kM / liters and got 5.5 kM / liter (not liters / kM)

You drove 275 kM = 171 miles

You bought 50 L of fuel = 13.2 gallons (this assumes your tank was full when you started and was filled to the same level again avter 275 kM).

171 miles / 13.2 gallons = 12.9 miles/gallon
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Old 03-16-2008, 09:38 AM
  #36  
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I used to get mid teens city and upper 20's highway. I'm hoping that improves a little due to the headers & exhaust. Should I expect to see an improvement after those mods?
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Old 03-16-2008, 11:06 PM
  #37  
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I'm still Z28 huntin! lol
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Old 03-16-2008, 11:09 PM
  #38  
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I've never gotten less than 17 city, that's with a few WOT runs here and there. Strictly highway I'd see about 22-24. Otherwise I can't complain much.
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Old 03-16-2008, 11:22 PM
  #39  
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with bolt ons, id get 19-20 mainly city driving with some highway
straight highway, upper 20s

now with the turbo....too scared

that was with 156k on the clock, and long tubes, true duals, and a cold air intake

Last edited by reamo04; 03-16-2008 at 11:38 PM.
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Old 03-16-2008, 11:29 PM
  #40  
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What mods do you have? how many miles you have? Thanks
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Old 03-17-2008, 09:44 AM
  #41  
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My LT1 hasn't used a drop of gas in two years!
(hasn't moved under its own power, either)
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Old 03-17-2008, 06:10 PM
  #42  
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I CONSISTENTLY got 18 city and 27 hwy when i was bone stock and 6 speed. Red93camaro- I was in the exact position you were last year, I had a 140k 3.4l 5 speed. I really wanted to get a Z but was afraid of the gas mileage. then one day last fall i said @#$#$ It ! sold my slow *** dog v6 and bought the car i have now, and while it was stock i hardly noticed a difference in mpg's !!! I was amazed. my city mpg dropped by maybe 2 or 3 but my hwy basically stayed the same. my old v6 ran beautiful and got about 21mpg avg. honestly for how much more fun the Z is you WONT care you'll barely notice. The only regret i have is not selling and going to the Z sooner. do it man you will not regret it in the least.
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Old 04-09-2008, 02:53 AM
  #43  
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I'm getting 9-14 mpg city and 24 mpg best hwy. But I'm usually driving 90-100 mph on hwy.

Really sucks in my city... Only makes sense if i drive at night or weekends, else it's crazy...
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Old 04-09-2008, 03:48 AM
  #44  
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usually run 17-19 in town 27-30 highway. I drove from Cody, Wy to Billings, MT last trip in my car and ran damn near 30mpg. (190 miles round trip)

Better than any of my previous bolt-on f-bodies...
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Old 04-09-2008, 06:39 AM
  #45  
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the best gas mileage mods are no mods at all. You will get no better gas mileage than stock form.
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