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

What is everyone's mpg

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Old May 13, 2004 | 12:58 AM
  #1  
ARTIC_Z's Avatar
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From: Bakersfield, Ca
What is everyone's mpg

i was just wondering what everyone is getting. i get pretty good highway miles but very crappy city.
Old May 13, 2004 | 01:01 AM
  #2  
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From: Santa Ana, CA
im getting about 8.5 mpg. and if im lucky, ill get 10. but i think i have an exhaust leak.
Old May 13, 2004 | 01:03 AM
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ARTIC_Z's Avatar
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From: Bakersfield, Ca
well u also have a bigger engine and a few more mods than me. my old car was a 92 firebird 305 tbi and it got 10 city. i figured this would get better but i dont think it is.
Old May 13, 2004 | 01:50 AM
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1982z28with18s's Avatar
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From: Mission, Kansas
21-22mpg highway/city mix and 16-17 racing/all city. This is with heads/small cam/3.73's/3000 stall/etc. Car runs 11.84 all motor.
Old May 13, 2004 | 02:07 AM
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From: Sweden
Well with headers, catback 'n cai:
between 23-27 mpg highway
and between 15.5-18 city
(M6)
Putting the engine together now with some heads 'n cam so I'll have to wait and see how it affects the mpg...
Old May 13, 2004 | 02:14 AM
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From: Austin/Houston, TX
My personal best is 31 mpg with a cc305. Cruise locked a 65 and no stopping. Thats in a M6. Cutout also helped a bit too.
Old May 13, 2004 | 02:16 AM
  #7  
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From: Southern California
I get between 14-15 mpg in the city. Even with gas prices the way they are... it's still worth every penny.
Old May 13, 2004 | 02:24 AM
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From: Sweden
Originally posted by 91FirebirdG4
I get between 14-15 mpg in the city. Even with gas prices the way they are... it's still worth every penny.
What´s the gas price over there...I guess you can't top ours in my tax lovin' country ... ~$5.10 for a gallon
Old May 13, 2004 | 03:54 AM
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From: Jacksonville
Holy smokes, it's $76 bucks to fill up your tank in Sweden? Makes me feel better about spending $30 to fill mine over here.

I just checked mine today and I'm getting 15 MPG mixed city and highway (mostly city lately). It should pick up when I get around to doing the final tune. Currently the car has a "safe" blower tune in it from the initial start up with the new cam and heads.
Old May 13, 2004 | 03:56 AM
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Originally posted by Dan_gearhead
What´s the gas price over there...I guess you can't top ours in my tax lovin' country ... ~$5.10 for a gallon
Yea i just got back from the UK. Gas prices there are 78p/L so .78*3.8*1.8=~$5.33

Ouch. Im glad we like our cheap gas here in TX. $1.85 for 93 baby. I never thought i would be excited when i found a station for $1.75. I remember just 4 years ago, gas was under $.90/ gallon. This is getting rediculious. F*CK OPEC!!!
Old May 13, 2004 | 04:05 AM
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Originally posted by disco192
This is getting rediculious. F*CK OPEC!!!
And the camel they rode in on.
Old May 13, 2004 | 08:26 AM
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From: Crossville, TN
13.2 last tank But i take short trips, have a slowly dying opti, a bad plug wire, and twitch in my foot when i see slow drivers...
Old May 13, 2004 | 09:20 AM
  #13  
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From: Saginaw, Michigan
Just filled up yesterday, and my milage was 22 mpg.(273 miles with a 12.5 gal fillup) That's with my mods in my sig. That was a mix of 65% Highway, 35% City.

All city gets me close to 17 mpg.

It's nice to have more 30 more HP than stock, and get the same gas milage that I was stock. What makes it even sweeter is that I also added 275/40-17's when I did my headers/exhaust and my milage didn't go down at all.

I will admit that I babied this tank a little because I was trying to check my milage after the headers.

Over the life of my car, all types of driving included, I average 20.5 mpg.

Dan
Old May 13, 2004 | 09:30 AM
  #14  
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From: Birmingham, Al
City: 15-17
Hwy: 20-24

My best ever is 28, and that's no stopping and cruise set on 79MPH. (with an M6)
Old May 13, 2004 | 10:00 AM
  #15  
iNF3RNo's Avatar
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From: Dayton (Germantown) Ohio
Mostly highway, and lots of getting on it: 16.5-18mpg

Mostly highway and the closest I've gotten to "non-enthusiastic" driving is just over 20.



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