in city AUTOMATIC mileage

[93F22A6]

thats also with the every once in a while sayin wat speed limit and crusin at 70 on back roads thruw curve. the thing that kills city mileage is stop and go(duh i know) but esp. in this car

[ExplodingCake]

When I'm putting a heavy foot it's 18MPG City with a super dirty EGR Valve and Port.
When I drive like an old man I get 23MPG city with a super dirty EGR Valve and Port.

I'd say 26MPG is highly possible with no heavy foot & a healthy engine.

[kc8enb07]

this EGR make that much difference? I been thinking about deleting mine after a H23 intake swap. then gettin a p06 street tuned. every lil bit helps even when gas is down to 3.40...

[Losiracer2]

I only get about 21 city and that's doggin on it all the time. I've got a recent cyl. head refresh...new valve job. But when I get on the hwy, it shines, 32mpg is what I usually get.

However mixed, I still get about 22, so idk thats really lame. I've got I/H/E double stacked IAB plates, 17s and a Legend lip....lol that might increase drag or not idk.

[kc8enb07]

at least im not alone, lol. im doing the H23 intake plus full tune up. just not sure about the EGR

[MikeW]

I average 21-24.

On the highway i can usually get 26 or 27.

I just have I/E. I imagine if i clean out my EGR, i could see better numbers.

Anything under 22 or 21 and id start to worry.

[19dabeast85]

When I had my auto (w/215,000) no rebuilds.

City grandma driving = 23.5mpg
City aggressive driving = 18.5mpg (only one tank worse ever but a HEAVY foot all the time)

Hwy 80-85mph = 27.6mpg VERY consistently
Hwy 70-75 mph = 32.0mpg

With my 5spd now, I'm averaging 20-23 mpg city (gotta work on my self control hehe). And 80-85mph highway is getting me ~27 mpg. Yet to determine highway 70-75mph mileage. I'd guess upwards of 33.5-34.

My mods: H23 IM&plenum&TB. F22a6 cam & PT6 ecu. DC Sports header w/custom 2.5" O.D. mandrel bent straight-thru exhaust.

[Fred'sRide93]

City Mileage

Before adding a GREEN drop in filter and E3 spark plugs, I used to get about 19.5 till about 21.2 in the city, with 1993 CB7 with F22A1 engine. The reason I know exact numbers, i kept a journal, to see what improvements, if any were made by using aftermarket drop in filter, and one of these "super spark pligs"; to begin my quest to squeeze as much MPG as I could out of my CB7. After the new stuff, on a 3 tank test, while stationed in the San Diego area, according to my notes, I only got 22.6 to 23.8 for the city. I mostly noticed somewhat big increases on later tankfuls with freeway driving. I count that mostly to the air filter (PLEASE don't tell me my filter sucks or that "mine is better than yours" big man on campus comments...whatever...it's what I bought at the time, I will repent from my supposed mistakes later!);-) I think the E3 sparkplugs are kind of a waste of money if you are hoping the "diamond-fire" spark will solve your lack O performance, MPG, ego problems....but then again they do last longer than the 30,000mile NGK's. so might save money in the long run, I am 58,000 or so on them and no changes in performance or mileage so far. Hope this helps.

Later Days,

Freddy