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Unread 07-26-2007, 12:55 PM   #1
scorpionkill
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Will I hate life if I do this to my jeep

Jeep is a 1997 TJ I6 Automatic with 3.07 rear gears.

When I bought the jeep (used) it came with the 31's that are currently on the jeep. I went from driving a 1989 YJ with the 4 banger and 30's so the new jeep seemed alot peppier to me. It can get up and move on the highway and is plenty fast enough for me (I have my stang if I want to go faster). Again driving it like this is all I have known.

Last year I put a 3 inch Tereflex lift on the Jeep. Right now I seriously need new tires and have been thinking about 33X10.5 BFG AT's or MT's. Will 33X10.5s make enough of a difference over the 31X10.5s with the automatic tranny to make me hate life? I can live with some power loss but I don't want to regret going to 33X10.5's if it is too severe.

The 31's don't look that bad on my Jeep but I think it would just look better with a little bigger tire. Might just get new 31's.

I am interested in your thoughts especially if you have an auto with 3.07's and 33X10.5s.

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Unread 07-26-2007, 12:58 PM   #2
BoHeck
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yea you arent going to like it, i had 3.07 with 32s
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Unread 07-26-2007, 01:00 PM   #3
fish4life
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Quote:
Originally Posted by BoHeck
yea you arent going to like it, i had 3.07 with 32s
But you have a manual though. I have 3.07 and 31s right now with a 5 speed, and i don't think i'd hate it too much when i go to 32s (which I may do)
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Unread 07-26-2007, 01:01 PM   #4
gmajor
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3.07's with 33's and an automatic sounds like a recipe for disaster.
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Unread 07-26-2007, 01:04 PM   #5
mferrari
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33x10.5 should be about equal wieght to my 32x11.5 MT (in theory, dont quote me)...

My 32s with the auto still have plenty of get up and go on the roads (especially if you hammer down on the highway and let it shift into 2nd). Gas mileage is about 10 city, 15 highway (keeping at 60 or under).

On the trail is where it hurts, I with I had 3.73s or 4.10s on the trail, low range just isnt quite low enough....


Will that that said, if you want a wider look tire, I run 32s with about 4-4.5" of lift and love!
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Unread 07-26-2007, 01:06 PM   #6
FifteenCents
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I had 3.07s and 33 with a TF999, You can live with it. Your mileage will suck.
and you'll have trouble keeping up with traffic on steep long hills.

I did it for over a year, untill I upgraded to a D44 rear axle with 3.37s
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Unread 07-26-2007, 01:14 PM   #7
thedon986
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i had 33s with 3.07s and auto for about 6 months, my mileage was about 15 city. if you hammer the pedal there is enuf power. just regear to 4.10, i did and my mileage drop to around 13 to 14 city. with a huuuge increase in power. i can't spin them on the street but in low gears i feel more power than my friends 04 silverado v8
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Unread 07-26-2007, 01:23 PM   #8
mferrari
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Quote:
Originally Posted by gpw1942ford
I had 3.07s and 33 with a TF999, You can live with it. Your mileage will suck.
and you'll have trouble keeping up with traffic on steep long hills.

I did it for over a year, untill I upgraded to a D44 rear axle with 3.37s
Yeah driving in the mountain areas unless you hammer down on hills you will slow down... Hammer down to shift to second and you can speed up going up some steep grades... It has the power for the streets no problem...
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Unread 07-26-2007, 01:24 PM   #9
IMYY4U
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As stated before, to run those tires larger tires and still get your average mpg and keep your axle/differential gears from breaking, you should at least spend the extra money for a 3.73 gearing or if you really want to get a little extra torque, the 4.11 gearing.
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Unread 07-26-2007, 01:29 PM   #10
bluestj1
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I've had 33's and 3.07's w/ a 5speed for awhile and it sucked. I've got 4.10's I was going to install but after spending a little time on this site, I think 4.56's or 4.88's are in order. After the D44 swap, that is......
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Unread 07-26-2007, 01:36 PM   #11
FifteenCents
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Quote:
Originally Posted by mferrari
Yeah driving in the mountain areas unless you hammer down on hills you will slow down... Hammer down to shift to second and you can speed up going up some steep grades... It has the power for the streets no problem...
I used to manually shift my tranny down to second, And adjust the gas pedal to keep up with traffic. So I did not have to floor it to keep it in second.

I wish there was a way to keep my Torque Converter from locking up to get a little
more engine speed on long grades...
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Unread 07-26-2007, 01:40 PM   #12
scorpionkill
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Quote:
Originally Posted by mferrari
33x10.5 should be about equal wieght to my 32x11.5 MT (in theory, dont quote me)...

My 32s with the auto still have plenty of get up and go on the roads (especially if you hammer down on the highway and let it shift into 2nd). Gas mileage is about 10 city, 15 highway (keeping at 60 or under).

On the trail is where it hurts, I with I had 3.73s or 4.10s on the trail, low range just isnt quite low enough....


Will that that said, if you want a wider look tire, I run 32s with about 4-4.5" of lift and love!
I have flopped back and forth with wanting the 32's vs the 33's. I am leaning to the 33's because I can get them cheaper then the 32's and I like the fact that they won't stick out as much (better snow ice traction?)
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Unread 07-26-2007, 01:40 PM   #13
mferrari
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Quote:
Originally Posted by gpw1942ford
I used to manually shift my tranny down to second, And adjust the gas pedal to keep up with traffic. So I did not have to floor it to keep it in second.

I wish there was a way to keep my Torque Converter from locking up to get a little
more engine speed on long grades...
Yeah I do that as well, but lately I have been lazy and move over to the truck lane and end up at about 35 mph at the top of the hill
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Michael Ferrari
Team 120 - DOR Racing - Racing for Operation Homefront
Operation Homefront (OHF) provides emergency financial and other assistance to the families of our service members and wounded warriors.
Thanks to our Sponsors:
Delmarva Offroad - F-O-A Shocks - BD Turnkey Engine - Under Cover Fab - Jer-C Transmissions - Quigley Driveshafts

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Unread 07-26-2007, 01:41 PM   #14
mferrari
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Quote:
Originally Posted by scorpionkill
I have flopped back and forth with wanting the 32's vs the 33's. I am leaning to the 33's because I can get them cheaper then the 32's and I like the fact that they won't stick out as much (better snow ice traction?)
Snow yes (although I dont have any problem, then again I hardly get snow on the shore). Ice, not going ot make a difference, ice is ice
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Team 120 - DOR Racing - Racing for Operation Homefront
Operation Homefront (OHF) provides emergency financial and other assistance to the families of our service members and wounded warriors.
Thanks to our Sponsors:
Delmarva Offroad - F-O-A Shocks - BD Turnkey Engine - Under Cover Fab - Jer-C Transmissions - Quigley Driveshafts

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Unread 07-26-2007, 02:14 PM   #15
scorpionkill
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Quote:
Originally Posted by mferrari
Snow yes (although I dont have any problem, then again I hardly get snow on the shore). Ice, not going ot make a difference, ice is ice
Yeah as soon as I typed that I was like, that was stupid Ice is Ice.
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