Fuel Mileage

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Originally Posted by brandonl2000

wish we could have gotten work with my cruise timing :th_angry2:

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Blame your car for not bringing fuel trims back on sooner.

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Originally Posted by Z34Phoenix

i see you have an AF gauge... what is your LTFT? and yes with a 160 your prob not getting up to temp and running more fuel then needed. swap to a 180 at min and possibly the 195 for winter. even down here in FL i dont recommend a 160. i ran on on my Z when my trany was bad, as when the trany got to 185 it would slip. so the 160 gave me more time to keep it from slipping and also this is on the DOHC that had AL heads that cooled better then our iron heads.

to the OP. the Comp G has 3.29 gears vs the GTP's 2.92's... this will hurt HW mpg and may help in town. the gear swap helps low end acceleration.

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How do I get my LTFT with my scan gauge?

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Originally Posted by Nixon

Blame your car for not bringing fuel trims back on sooner.

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no. i blame you :p

jkjk

So I drove 116 miles on 5.6 gallons which comes out to 20.7 mpg. Seems pretty low to me for driving 70hwy/30c?

Pretttty low.

Yah, and I never thought my dic was accurate bc it always says 21mpg. Idk what's up. I've had this car for 6 months, I believe it has a 180 thermostat but heard that doesn't matter much.

i just filed up and re set all my dic and trip, going to see what #'s i pull.

will let you all know how it does.

well i went through 11.78 gallons of gas, and only got 192 miles. the math says 16.2 mpg avg, the dic says 17.8. off by 2 mpg.

this is a good mix of a 1 mile drive to work, and 20 mile highways runs that are all hills.

in my stock 04 GTP i get an average of 19.5, according to the DIC. sucks :(

What type of gas are all you running? i get a few MPGs better when i run premium.

93 octane, all the time.

don't use 87, its bad for your engine if you are s/c.

if n/a knock your self out.

93 octane in my 1997 sc gtp and I get 26 -27 mostly highway

Ive been on the same tank in the gp since sept. :)

^^ you're cheating. it's because it's brokeded.