OK guys I have a dumb question that only other XJer’s can answer. My XJ is a 91 with 112,000 original miles on it. I bought it with 92k miles. Ever since I bought it I’ve babied it on the road. Yes I’m that slow driver that you would like to kick in the rear. Well long story short I sank my XJ and the motor is dieing. So all that babying was for nothing GO FIGURE. What I would like to know is how hard you guys drive your XJ. Like in RPM range. From stop to go. A friend once told me that I should drive it like I stole it guess he was right at least I would have some fun. THANKS
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How hard do you XJers drive???
- Thread starter Narfxj
- Start date
- Location
- Thornton, CO
Like I was auditioning for Indy...................:cheers:
vetteboy
NAXJA Forum User
- Location
- morganville, nj
170k and no mercy.
Rev limiter is your friend.
Rev limiter is your friend.
moparmatt
NAXJA Forum User
- Location
- South Bend, Indiana
XJ98Jeep said:
[FONT="]X2 I like to down shift the motor, I do a lot of rural/country driving.
Lets say the speed limit is 45 the motor is doing about 2200 let off of the gas for a second the RPM's will obviously drop but when you lightly step back one to keep that speed at 45 the motor is running reasonably around 1600. It saves gas too. You go the same speed but the motor is running at lower RPM because the Tranny is doning the work to keep at 45
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But somedays "drive it like you stole it."
Alademuerte
NAXJA Forum User
- Location
- Delaware
91 Jeep Project said:
Yeahhh!
I try not to go over 4k much... I usually make the transmission hit around 3k before letting it shift... But I tend to do a lot of peeling out, especially in the rain... And high speed cruising everyday, like 75-80mph.
But it also is a 99 with 75kmiles...
j99xj
NAXJA Forum User
- Location
- Colorado Springs, CO, USA
I rarely exceed 3000 rpm.
The only time I use everything the engine has is when I'm in the wrong lane at a light and I have to "race" the guy next to me so I can change lanes to turn up ahead.
I also occasionally race the tricked out fart car imports to show them that even an old Jeep can give them a run for their money.
Off road, I take it easy because I have a Dana 35 that wasn't meant for pedal to the metal action in the rocks.
The only time I use everything the engine has is when I'm in the wrong lane at a light and I have to "race" the guy next to me so I can change lanes to turn up ahead.
I also occasionally race the tricked out fart car imports to show them that even an old Jeep can give them a run for their money.
Off road, I take it easy because I have a Dana 35 that wasn't meant for pedal to the metal action in the rocks.
seanyb505
NAXJA Forum User
- Location
- Simpsonville, SC
Chirping into third, thats how hard.
jmowens
NAXJA Forum User
- Location
- Huntsville, AL
one of the 2 pedals is generally on the floor... I baby her!
Serveck
NAXJA Forum User
- Location
- cumberland, maine
when accelerating normally i like to keep it below 2000 RPM's, it saves a TON on gas. but if i really need to get going i will allow myself to go to 3000. i like to baby it on road.. but beat the crap out of it offroad. im only at 150K in a 91, still runs solid.
pierceME311
NAXJA Forum User
- Location
- FL "the trailer park of the nation"
I drive it like I stole it and it keeps asking for more. 125k oil and filter every 3k. and runs like a top!
- Location
- Atascadero, CA
i push my mine pretty hard on the freeway. my speedo doesnt work so i dont know how fast im going but 3500 rpms in 4 gear 4.88's and 35's....
91 4.0, aw4, 190,000 miles... but i just changed my tranny oil and it sure was crispy...
-Shomsky
p.s. anyone know how fast that is?
91 4.0, aw4, 190,000 miles... but i just changed my tranny oil and it sure was crispy...
-Shomsky
p.s. anyone know how fast that is?
rpraterxj
NAXJA Forum User
- Location
- Lake Forest, CA
On the freeway, I drive mine 80 MPH as much as possible. The RPM's is around 3100. Speed checked with GPS.
Jeep is a 2000 with 75K mile, auto, 4.88 gears, and 33" MT/R's.
Stop-and-go: see alot of that in SoCal, on the highway... LOL
On the side streets, I usually drive the speed limit, but I like to get there quick. The AW4 willnot sta in 1st gear very long, but it will stay in second. I have hit the rev limiter a couple of times. :shocked:
Jeep is a 2000 with 75K mile, auto, 4.88 gears, and 33" MT/R's.
Stop-and-go: see alot of that in SoCal, on the highway... LOL
On the side streets, I usually drive the speed limit, but I like to get there quick. The AW4 willnot sta in 1st gear very long, but it will stay in second. I have hit the rev limiter a couple of times. :shocked:
ZacSquatch
NAXJA Forum User
- Location
- Fairbanks, AK
I get up and go on the highway, torque it way to much intown (hence shearing 2 sets of bolts in the block, and act like I have a small penis (which I do) by burning a lil rubber and being anoying.
85 @ 2500 rpm... 23 mpg's
85 @ 2500 rpm... 23 mpg's
Beej
NAXJA Forum User
- Location
- The Wet Coast of BC
My math is rusty but by my calculations its approximately 75mph.Shomsky462 said:
4th gear = 1:1 ratio
3500 engine rpm = 3500 pinion rpm
3500/4.88 gears = ~717.2 wheel rpm
35" tires = 109.96" circumference/perimeter
717.2 wheel rpm x 109.96" = ~78861.68 inches/minute
~78861.68 inches/minute = ~74.69 mph
I could be wrong somewhere in there. This assumes your 4th gear is like mine at 1:1 and it also assumes your tires are actually 35" in diameter. But they might be a bit more or a bit less, so that's why its approximate...
- Location
- Atascadero, CA
Shomsky462 said:
so i figured it out.. i was goin about 95 on the freeway one time. thought i was gonna die...
- Location
- Atascadero, CA
Beej said:
well with the aw4 its actually an overdrive so 4th gear (overdrive) is actually .75:1 they are 35" mt/r's
were you thinkin of the ax-15?
jeepboy381
NAXJA Forum User
- Location
- Gresham, Or
Why the heck would you not want to rev the engine past 3,000 or even 4,000 RPM???? That sounds almost idiotic to me, what is it going to hurt? If you drive like this go buy an old non turbo diesel and stay in the slow lane. Stay under 5,000RPM and your fine. The 4.0 is a pretty stout motor drive it like it is meant to be driven, you can shift at 5K when you need to and the rest of the time you can do it at 2K. I know so many people that are affraid of reving their engine because they think it will break or it is real bad for it but they don't even change their oil?
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