SC- 1st Gen (1992-2000)

Miles on half a tank...

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Old 05-08-12, 01:27 PM
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chnk
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i get liket 350 a week with a little boost here and there, 370 -390 if i drive really really slow.
Old 05-08-12, 01:49 PM
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ptahSC300
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i get 160 at half , 70/30 city highway driving
Old 05-09-12, 02:47 PM
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ECL
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I do 100% city driving, and I consistently get 23-24 MPG. For half a tank (10 gallons), that would be about 240 miles. My gas gauge is inaccurate, reads a quarter full when I have almost half a tank left. I have driven as far as 425 miles on a tank, and it only took 18 gallons, so I had another two gallons left.

Last edited by ECL; 05-09-12 at 02:51 PM.
Old 05-09-12, 06:11 PM
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durps
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^Wow, that sounds amazing. You drive a 5speed Sc300?
Old 05-09-12, 06:29 PM
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ECL
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Originally Posted by durps
^Wow, that sounds amazing. You drive a 5speed Sc300?
SC400 automatic.
Old 05-09-12, 06:43 PM
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Whutttttttttttttt. What year and mods? Any recent tune-ups?
Old 05-09-12, 07:00 PM
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ECL
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Originally Posted by durps
Whutttttttttttttt. What year and mods? Any recent tune-ups?
Totally stock 1994 SC400. I bought it it new in 1994 and now have 117,000 on it. Nothing but the unusual required maintenance. And I run 87 octane.

Last edited by ECL; 05-09-12 at 07:44 PM.
Old 05-09-12, 09:52 PM
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Zerodrag
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Just something that I would like to toss in... after installing the rear roof visor on my SC300, my mpg dropped from 23 to 22. I averaged 23 on every fill-up that I can remember (calculated via miles traveled vs. gas pumped into a full-tank position). I have verified this drop on my last two or trips to the gas pump.
Old 05-10-12, 10:10 AM
  #54  
gtsfire
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92 SC400 with approx 225k miles. Totally stock.

200 + miles at half a tank. Usually can go a little over 400 miles to a tank.
Highest MPG I've gotten is 25.6 mpg with it being 90% hwy.
My aveage with city/hwy is 22-23 mpg. I run 89 octane.

Both SC300's I've had before, with VVT-i did not do much, if any better on mileage.
Old 05-10-12, 01:32 PM
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ECL
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I forget to mention that with hypermiling techniques, like turning the engine off at red lites, I was able to get 27.5 MPG in town. Too much trouble for me to do all the time. I am satisfied with 23.
Old 05-11-12, 01:54 AM
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sc4hunnit
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My 95 SC400 with 242,000 miles gets 170-180 miles half tank. BFI mod, primary cats, no CEL, 19's.
Old 05-15-12, 04:48 PM
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rbigshow04
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I get 300 miles full tank and thats 100% city driving on my 93 SC400
Old 05-15-12, 07:58 PM
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groverwood
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my 93 sc4 gets almost 400 miles per tank. i drive 80% hwy. 22/23mpg
Old 05-16-12, 01:07 AM
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CalitriSC
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Originally Posted by rbigshow04
I get 300 miles full tank and thats 100% city driving
same here.
Old 05-16-12, 04:11 PM
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demonspeed
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I have a 92 sc400 and I have a pre cat attached to three inch piping all the way back and I'm getting more than 200. Guess I'm lucky? Make sure you don't have any vacuum leaks and check the air in your tires. I checked these two things and gained about 50 more miles


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