23.33 Miles Per Gallon
Funny, robert I get 11.111111 mpg, no matter what I do. I've got a FMIC tuned stock ecu and a t3/t4 turbo @ 15psi. So that probably doesn't help me. Plus I can't live without hearing a blow-off valve between shifts. 
I'm doomed.
I'm doomed.
Senior Member
Joined: Sep 2003
Posts: 275
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From: Indiana
Originally posted by BLKTOPTRVL
What kind of commute?
What kind of commute?
Senior Member
Joined: Feb 2004
Posts: 658
Likes: 0
From: spokane wa
well i am only getting 10 maybe 11 miles to the gallon. which sucks *****. i had to pay 28 bucks to fill up 14.665 gallons. i just replaced the fuel fileter and also the o2 sensor. the old one had the "top holes" were all covered with ****. hopefully that help me out alot. also i backfire alot but i think that is just cause i have no cats at all.
Displacement > Boost
Joined: Oct 2002
Posts: 3,503
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From: Mississippi
Outch, I'm seeing 20 when driving the **** out my 87 base which has a street ported block and ported intake. Freeway mpg is upper 20s, and this is on the stock (rich) ecu but with advanced timing.
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Rotary Freak
Joined: Jul 2001
Posts: 1,817
Likes: 16
From: South Carolina
Originally posted by kiyoshi
About 20 miles (one way) and more than 80% is on the highway I think. I usally go 2800-3000 rpm on the highway. I thought running lower rpm (like around 2500 rpm) helped gas milage but it acutally did not.
About 20 miles (one way) and more than 80% is on the highway I think. I usally go 2800-3000 rpm on the highway. I thought running lower rpm (like around 2500 rpm) helped gas milage but it acutally did not.
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Rotary Freak
Joined: Jul 2001
Posts: 1,817
Likes: 16
From: South Carolina
Originally posted by 13bpower
I would get 27 in my old 88 vert with the top up on long trips. I would think that 23 would be easy with the top down.
Keep in mind that the 88 vert was the only manual 5 speed FC that came with a 3.9 differential. This made Highway crusing speeds at a lower RPM than all the 4.1's out there.
I would get 27 in my old 88 vert with the top up on long trips. I would think that 23 would be easy with the top down.
Keep in mind that the 88 vert was the only manual 5 speed FC that came with a 3.9 differential. This made Highway crusing speeds at a lower RPM than all the 4.1's out there.
Next time I go on a hundred+ mile trip I will try to keep the top up and the speed under 70. I'd be interested in seeing if I can get over 27.
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Rotary Freak
Joined: Jul 2001
Posts: 1,817
Likes: 16
From: South Carolina
Originally posted by cezonetheillest
well i am only getting 10 maybe 11 miles to the gallon. which sucks *****. i had to pay 28 bucks to fill up 14.665 gallons. i just replaced the fuel fileter and also the o2 sensor. the old one had the "top holes" were all covered with ****. hopefully that help me out alot. also i backfire alot but i think that is just cause i have no cats at all.
well i am only getting 10 maybe 11 miles to the gallon. which sucks *****. i had to pay 28 bucks to fill up 14.665 gallons. i just replaced the fuel fileter and also the o2 sensor. the old one had the "top holes" were all covered with ****. hopefully that help me out alot. also i backfire alot but i think that is just cause i have no cats at all.
Full Member
Joined: Jun 2001
Posts: 161
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From: IL
I have no idea how many miles I get anymore, because my odometer just clicks and doesn't move. I backfire alot now that I have straight through exhaust too.
For not being my everyday driver, I sure have to fill it up alot. LOL
Just got a new(to me) speedo cluster in, but have to install it. Then I'll be able to tell you what mpg I get.
For not being my everyday driver, I sure have to fill it up alot. LOL
Just got a new(to me) speedo cluster in, but have to install it. Then I'll be able to tell you what mpg I get.
Senior Member
Joined: Feb 2004
Posts: 658
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From: spokane wa
Originally posted by BLKTOPTRVL
Wow, in 200K I have never gotten mileage that bad. I wonder if your catalitic converter is clogged.
Wow, in 200K I have never gotten mileage that bad. I wonder if your catalitic converter is clogged.
well i actually have no cats at all. i just figured it was time for a new 02 sensor and also a new fuel filter.
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