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Hey y'all

been reading a few replys to questions and I am getting 10 city 14 highway Is there anything I should check new fuel filter recently.93 octaine and ran fuel cleaner 500 miles ago.. some of ya are saying u r getting 18-20 highway //Let mek now


Thanks Eric
 

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Do you drive an auto? If so, you will improve your mileage around the suburbs if you select 3rd instead of drive. You will be impressed with the extra power you will have. Use drive only for highway (not stop start) driving.
 

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Eric,
I think your 10-14, for winter, VT driving, is right in the normal range. I personally think you're wasting money using 93 (especially in colder months)
Even more so since your '95 has a distributor and no knock sensor. You will doubtfully see ANY change by going to 91, possibly even 89. I have driven my 110 for years on 89, and when I recently tore it down, after puting a 4.2 in, found that my top end was just as clean as any other engine I have worked on. Gems ECU doesn't have the flexibility in timing adjustments, that's why knock sensor trips on low (87) octane and shows a 'chk' eng' light, but you can get your timing smack on with the distributor, between advanced enough to prevent condensing VOCs, and too far advanced, causing low end knock.
I hear people saying numbers like you suggest too, and frankly, in US efi Rover v8s, I am VERY skeptical of those high end numbers(anything above 18mpg). (Watch this bring out a bunch of, um, how should I say this, people (yeah, that's it, I'll call them people) insisting on their accurite calculations. All I can say is, eventually, they' ll have to head back uphill.
 

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Ya Terry, uphill.
Drove MI-FL-MI-FL-MI in November, averaged 20. I know, the math is pretty difficult for me, but somehow that's what I came up with. I've gotten worse, even got better a couple of times, but it all averages out if you continue to check for 6,000miles or so.

In town it sucks, snow around here and all it's tough to get 12. Blame it on a high-stall torque converter or whatever. I also hammer it frequently to keep the carbon down when I'm running in-town, keeps the city mileage down.

'99 D1, 93octane BP/Amoco & RedLine Fuel System Cleaner, syn. fluids w/ MoS2 snake oils added, 235s @ 32psi.

Oh yeah, and friction does eat fuel.

I'm on stock size Pirellis for the winter, both big tires and lift hurt fuel mileage too.

I don't know how much the GEMS affects highway mileage, better or worse, but I won't complain about how mine idles and runs. Personally I think that it gets a bad rap for mileage, lots of lifted and rodded trucks around, gotta pay for the ability to get through the tough trails. I don't think I'd get 17 with 33s on the truck, ... would like to find out though.
 

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Disco said:
Do you drive an auto? If so, you will improve your mileage around the suburbs if you select 3rd instead of drive. You will be impressed with the extra power you will have. Use drive only for highway (not stop start) driving.

could you elaborate a bit on this? ive never heard of doing that.
 

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also going down to the local grocery store i tired your technique...umm def not what i would call friendly driving on the engine, keeps higher revs up...i threw it back in overdrive and it drove fine...maybe im missing something...
 

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Rov'n

Putting it in 3 instead of D keeps it from shifting into overdrive. When driving in stop and go areas it is better to leave it in 3 because when your car shifts back and forth between 3rd and overdrive it puts more wear on the tranny and you also lose some mph because of all the shifting. Like wise when driving on back roads with lower speed limits or alot of twisting turns by leaving it in D your tranny again works harder by shifting more. Now if you are driving in areas where the speed is say around 45 or more for longer periods then it is good to leave it in D because it will not be shifting gears as often.

That is the basics of it. Try going into an area were you stop and go alot or in an area where are lots of back roads with plenty of tight turns and try driving both ways and you should see a difference in the amount of shifting the tranny has to do.
 
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