Gas Mileage
06-23-2003, 10:56 PM
#13
Senior Member
Join Date: Oct 2002
Posts: 1,019
since i've been tuning the part throttle maps with no boost i've been getting over 20mpg sometimes close to 23 or 24, before when my **** was all fucked up running on 91 octane maps i was getting like 10 with the tps set wrong
06-24-2003, 07:16 AM
#16
Super Moderator
Join Date: Sep 2002
Location: Tallahassee, FL
Posts: 5,425
I get 15mpg almost exactly, every time I've calculated it, on my '86 n/a base. I'm wondering if my O2 sensor is working, considering I make the same mileage now as I did when the O2 wasn't hooked up. 
06-24-2003, 09:38 AM
#17
Senior Member
Join Date: Feb 2003
Location: Fort Worth, Texas
Posts: 421
Hey Erik,
Just curious, how are you getting 400 miles per tank? What size gas tank do you have? That is some serious mileage.
My 87 GXL has a 13.9 gal tank. If I got 400 miles on this tank that is almost 29 mpg. That is some serious mileage. The car brand new was rated at 18/25 I believe.
Not doubting you at all. Just curious on how you get such good gas mileage.
Inquiring minds want to know.
Greg
Just curious, how are you getting 400 miles per tank? What size gas tank do you have? That is some serious mileage.
My 87 GXL has a 13.9 gal tank. If I got 400 miles on this tank that is almost 29 mpg. That is some serious mileage. The car brand new was rated at 18/25 I believe.
Not doubting you at all. Just curious on how you get such good gas mileage.
Inquiring minds want to know.
Greg
06-24-2003, 01:43 PM
#18
Senior Member
Join Date: Oct 2002
Posts: 1,019
i dunno about them, but i have my part throttle maps tuned very lean for specifically that reason, leaner than stock i imagine. This is all done with a fairly precise FJO wideband and i'm always tweaking. Its in the below boost safe range, and i'm finding that even small changes in the A/F translate to large changes in the overall gas mileage.
06-24-2003, 08:17 PM
#19
Senior Member
Join Date: Dec 2001
Location: Jensen Beach, FL / Sylva, NC
Posts: 2,934
Took a trip to Tampa across the State recently.
My car at the time had 290RWHP and I run 1600cc secondaries tuned on the rich side both under acceleration and cruising.
Highway I got 17 MPG
Highway/City = 12 MPG
City with lots of BOV action showing off for the locals = 8 MPG
FYI = Open track day at Moroso in West Palm Beach Florida = 4 MPG
My car at the time had 290RWHP and I run 1600cc secondaries tuned on the rich side both under acceleration and cruising.
Highway I got 17 MPG
Highway/City = 12 MPG
City with lots of BOV action showing off for the locals = 8 MPG
FYI = Open track day at Moroso in West Palm Beach Florida = 4 MPG
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