4 banger Gas milage? - Page 2 - JeepForum.com

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post #16 of 39 Old 08-26-2014, 09:24 PM
mike134
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Quote:
Originally Posted by GermantownJeep View Post
It's all 91-95's as far as I know. I did it to my 95 Rio Grande.

http://www.jeepforum.com/forum/f46/y...ersion-114567/
I see now after looking it up. It was all 91-95 jeeps. Unfortunately I have an 89

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post #17 of 39 Old 08-27-2014, 08:18 AM
Luuca
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Quote:
Originally Posted by mike134 View Post
I see now after looking it up. It was all 91-95 jeeps. Unfortunately I have an 89
Where there's a will, there's a way - tank swaps have been done...

91 YJ "Alice" 2.5L, AX5, 2.5" OME 36Rs, Revolvers, 32" Yoko ATs, 4.10 D30/35 Aussie Lockers F/R Busted Knuckles YJOTM never
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post #18 of 39 Old 08-27-2014, 10:52 AM
mike134
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But Jerry cans look more awesome! Talk about a target for thieves though... They are even big and red like a bullseye...
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post #19 of 39 Old 08-27-2014, 01:39 PM
WDNewman
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Quote:
Originally Posted by Drednot View Post
Try shifting at no more than 2000 rpm and see if that helps.
Yeah your 3500 rpm shift points are gonna burn some fuel.

Hey guys, there is NO SUCH THING as RPMS. There is NO "S" in RPM.
A little knowledge is a dangerous thing, but not nearly as much as ignorance.
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post #20 of 39 Old 08-27-2014, 06:40 PM
ronkent
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im going to agree with mike134 on the shift points. I only have the 3 speed auto with no over drive. around town im ok on gas...the minute I hit the highway and whine out third gear, around 3200-3400, I can literally see my gas guage dropping.
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post #21 of 39 Old 08-27-2014, 09:15 PM
OneCleanYj
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With bumpers, a little bit of armor, recovery gear, 35's, and the same basic modifications you've done, I average like 14-16 depending on how I drive it and the speeds I stay at. It's mostly city with short highway trips, and I get around 15 out of it most fill ups. I've never been super concerned about it, but now I have a 4 cyl honda that saves on gas most days

92 YJ. Lifted, rubbered, geared, and more
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post #22 of 39 Old 08-27-2014, 11:48 PM
cruisingram
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I get consistant NO LESS than 20mpg with road tires, all stock everything. I often get close to 30 when straight hiway driving. However, speeds don't go over 50 much and 60 rarely.
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post #23 of 39 Old 08-28-2014, 12:27 AM
baritone_mike
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I get around 16mph with 33's, a soft top, stock gears, and no armor. I usually shift around 2500rpms.

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post #24 of 39 Old 08-28-2014, 08:47 AM
warthog312
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I got somewhere around 12-13 with my 4 cyl. I didn't really care though, fuel economy isn't why I have this vehicle. Mind you my driving is 90% city stop and go, and my shift light is usually the red line

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post #25 of 39 Old 08-28-2014, 10:17 AM
mike134
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I have no idea where I shift... I haven't gotten around to fixing the tachometer since I bought the thing. Its mostly worrisome on the highway, having no idea how fast the engine is cranking...
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post #26 of 39 Old 08-29-2014, 08:50 AM
warthog312
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Quote:
Originally Posted by mike134 View Post
I have no idea where I shift... I haven't gotten around to fixing the tachometer since I bought the thing. Its mostly worrisome on the highway, having no idea how fast the engine is cranking...

If the oil pressure and the water temperature stay fine then IMHO who cares?

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post #27 of 39 Old 08-29-2014, 11:39 AM
Firefyter-Emt
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You also need to offset your trip meter if your speedometer has not been corrected. I run 30's on my 95 and the mileage offset is 1.11 x trip meter / gallons used. I am between mid 18's to almost 20 if I am driving with the windshield folded a lot. (You can gain a good 1mpg like that!)

I am running a 4.0 TB, & a 2.5" cat back on an otherwise stock motor with 188k
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post #28 of 39 Old 08-29-2014, 04:20 PM
jason280
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Quote:
Originally Posted by cruisingram View Post
I get consistant NO LESS than 20mpg with road tires, all stock everything. I often get close to 30 when straight hiway driving. However, speeds don't go over 50 much and 60 rarely.
Close to 30mpg in a Jeep?? Call me a little skeptical, but that's more than a little optimistic (even at 50-60 mph).
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post #29 of 39 Old 08-29-2014, 05:38 PM
AZdEvilYJ
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i get 14mpg with 35s and 4.10s in my '95 4cyl. ive done all the mods to it and it definitely improved over stock in idle, mpg, and power. for a few hundred bucks (not all at once) its a great bang for the buck.

4.0 TB , Ford 19lb injectors, CAI, Taurus Efan, and soon im going to move the intake air sensor to see if i get another improvement

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post #30 of 39 Old 08-29-2014, 06:22 PM
mike134
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I've never measured my mileage. I figure there's nothing I can do about it anyway since I've got all the regular maintenance stuff up to date.
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