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4.88 swap increased MPG

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Old 05-23-2011, 06:49 PM
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4.88 swap increased MPG

I have the 3.0
5 Spd Manual.
33x12.5x15 Tires
Had 4.33s and got 200 miles on a full tank.
Now have 4.88s and get 285 miles out of a full tank.

Old 05-23-2011, 06:54 PM
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I have daydreams about 4.88's...
Old 05-23-2011, 07:08 PM
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3.0s are a completely random creature of their own. im getting just over 230 miles per tank on my 92 4Runner with a completely tuned motor ( and soon to be top end rebuilt ) and i have 4.88s and 33x10.50s. I've heard of people getting as low as 180-300 miles per tank... lol
Old 05-23-2011, 08:39 PM
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Originally Posted by scottishb
I have daydreams about 4.88's...
and 285 miles per tank!
Old 05-23-2011, 09:08 PM
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I believe im getting about 240 on a stock pickup on 31s. How many miles you got on your motor?
Old 05-23-2011, 09:12 PM
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just over 157,000 here.
Old 05-23-2011, 09:18 PM
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Yeah mines right around 273k so I wasnt hoping for terrific mileage. Im sure theres a few things I can replace or clean to get my mpg's up. Im sure my cat is getting pretty clogged along with my EGR
Old 05-23-2011, 09:24 PM
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:O
I get 200-240 on about 13.5-14 gallons of fuel! 22re 5spd
Old 05-23-2011, 09:30 PM
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Well, Im running without a cat. probably could have something to do with it, no idea.
Old 05-23-2011, 09:31 PM
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Originally Posted by toyota4x4907
:O
I get 200-240 on about 13.5-14 gallons of fuel! 22re 5spd
Yeah yeah thanks for rubbing it in lol
Old 05-23-2011, 09:33 PM
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Originally Posted by drmix
Yeah yeah thanks for rubbing it in lol
Oh... I thought mine was bad....
I am averaging 16 mpg city right now. In the winter I get like 120-140 miles for that same 13-14 gallons
Old 05-23-2011, 09:38 PM
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I usually get about 215 miles to a tank in my pickup for 13 gallons, thats around town, I took a trip to the coast over the weekend which was mostly highway and I got 258 miles after driving 50 of that in town, all stock drive train 22re on 31's, my wifes 4runner gets about 190-210 miles out of a tank mostly in town. 285 is crazy, I am jealous.
Old 05-24-2011, 03:59 AM
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Originally Posted by drmix
I believe im getting about 240 on a stock pickup on 31s. How many miles you got on your motor?
Little shy of 151.
Old 05-24-2011, 04:38 AM
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I get about 230 on my 3.0 auto with 176,000 miles. I'm hoping it'll go up slightly now that I got my timing belt replaced and the timing is set correctly, and even more once I get it tuned-up. This is with 31x10.5x15 AT tires.
Old 05-24-2011, 05:24 AM
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my 93 get about 230 mi per tank (16 gal)... running 31's and the stock 4.88's Just over 300k on the motor... but I never got any more than 275 mi outta a full tank on it, and thats when I first got her.

my 94 gets about 275-325 from the same amount of gas... running 31'a and the stock 4.56's..... 5 spd makes a huge difference.... Just over 270k on the motor
Old 05-24-2011, 06:11 AM
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if your getting that with a 3.0 and new gears i wonder how all new fresh 22re with some minor intake mods, 268 cam and 4.56 will do. dunno if it'll be worth to regear to 4.88 but 5.29 would be for later
Old 05-24-2011, 06:40 AM
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Originally Posted by ohoktimmyg
I have the 3.0
5 Spd Manual.
33x12.5x15 Tires
Had 4.33s and got 200 miles on a full tank.
Now have 4.88s and get 285 miles out of a full tank.

My guess is your speedometer was off or is now off...
Old 05-24-2011, 06:42 AM
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i gotta ask are those numbers accurate. you probably counted miles slow with big tires and stock gears, meaning if it says you drive 1 mile you are driving like 1.2 miles and with the correction it is probably closer to accurate with the 4.88's. have you taken that into consideration, if you have cool new gears are always fun and its nce to get a little pep back
Old 05-24-2011, 07:27 AM
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In my 96 tacoma I get 265 miles on a full tank 15gal 3.4 5 spd 233000 31-10-50 on 8 inch aluma rims: when my 89 ran I got 230 miles on a tank 3.0 5 spd with 200000 31-10-50 on 10 inch steal rims
Old 05-24-2011, 08:31 AM
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Originally Posted by blake.nemitz
i gotta ask are those numbers accurate. you probably counted miles slow with big tires and stock gears, meaning if it says you drive 1 mile you are driving like 1.2 miles and with the correction it is probably closer to accurate with the 4.88's. have you taken that into consideration, if you have cool new gears are always fun and its nce to get a little pep back
.

I see what youre saying. I got the idea to do the 4.88 swap after calculating my tire size and gear ratios.. I dont have the link via iphone but that calculator claimed to return the performance back to stock( with slightly higher rpms at highway speed) you guys may be correct about the speedometer though.. Hmm


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