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Old 09-14-2011, 07:36 PM   #31
MallCrawler

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Quote:
Originally Posted by Craig2425
Just now when I was outside I put the back into place and it didn't seem like it was in very well,so I tugged it over to the middle of the body and it seems like it's fitting a lot better.
Before an inch of that black piece was hanging out of the slot on the body and now it's all tucked in.
I think it might have been my fault when I took the rear window out.
Whoops...
You will learn.

Did not realize you had the windows out

#1 newb complaint is the side windows not staying put in the door surrounds.

Check YouTube for some good vids

Do you have the owners manual?

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Old 09-14-2011, 07:52 PM   #32
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I hope that was it. Yeah I have the owners manual. I want to take the top down but I'm by myself and don't know how much of a pain it's going go be to put back up tonight.
Thanks again guys

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Old 09-14-2011, 07:55 PM   #33
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The two are within 100 rpm, but


Quote:
Originally Posted by Craig2425 View Post
When you change the gears to 4.88/5.13 what does this do to your speed on the freeway and mpg.
If you regear to 4.88/5.13 you'll be able to use the O/D SOLID, except for steep hills and that'll be with 33"/35" tires--

I have 5.38 gears and at 60mph/2250 rpm-O/D 19 mpg-

At 70 mph/2600 rpm-O/D- 17 mpg

At 60 mph/2250 rpm-O/D- 16 mpg-TOWING MY TRAILER !

You can just hear the little 3.8L-whispering--"Man, it feels good"

Well, maybe not but that's what it feels like-

I have a JKUR and when off-road, before the regear (5.38), I had to stay in 4lo (desert heat) to keep the auto tranny from getting real hot and that was with aux cooling--now I can travel most of the time in 4hi, because of the regear and the tranny stays cool-

With a dana 35/44-you can never go to tall in regearing and 5.13 (Dana 35) and 5.38s (Dana 44), are the limit so far and thats PRIMO--

If you go to 4.88/5.13---you'll really enjoy the freeway and get much better gas mileage !

JIMBO
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Old 09-14-2011, 08:02 PM   #34
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Quote:
Originally Posted by Craig2425
I hope that was it. Yeah I have the owners manual. I want to take the top down but I'm by myself and don't know how much of a pain it's going go be to put back up tonight.
Thanks again guys
It's not hard but there are steps you have to take to make it easy. The owners manual doesn't really help IMO.

I seen links to YouTube on members asking for help, never watched one though.
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Old 09-18-2011, 12:59 PM   #35
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I see you saying that re gearing will give you more power and better mpg.
I'm confused as to how. Once you re gear won't that give you more low end power but make the revs higher when driving 70 on the freeway? Wouldn't that make for worse mpg.

Never had to re gear so I don't understand.
Thanks

JIMBO[/QUOTE]


[QUOTE=JIMBOX;1570617] Good and you'll probably get different recommendations, but




Don't ever consider regearing with a 4.10/4.56--gotta be AT LEAST 4.88/5.13, the 42rle auto won't operate very well without those taller gears !!

Then you can pretty easily adjust your tire size--up to 35"

Good luck--you'll have to get either the AEV Procal Module or a "Super chip" to reset your tranny--dealer can't doit-

Good luck
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Old 09-18-2011, 01:19 PM   #36
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Not quite sure of the drift of your post, but


Quote:
Originally Posted by Craig2425 View Post
I see you saying that re gearing will give you more power and better mpg.
I'm confused as to how. Once you re gear won't that give you more low end power but make the revs higher when driving 70 on the freeway? Wouldn't that make for worse mpg.

Never had to re gear so I don't understand.
Thanks

JIMBO

Quote:
Originally Posted by JIMBOX View Post
Good and you'll probably get different recommendations, but




Don't ever consider regearing with a 4.10/4.56--gotta be AT LEAST 4.88/5.13, the 42rle auto won't operate very well without those taller gears !!

Then you can pretty easily adjust your tire size--up to 35"

Good luck--you'll have to get either the AEV Procal Module or a "Super chip" to reset your tranny--dealer can't doit-

Good luck
What I'm saying is simply, that the 3.8L v6 isn't in it's EFFICIENT rpm "MODE" untill 2100 to 2800 rpm, so that even though you're now cruising at 2500 rpm at 70mph/vs 1900 rpm--

The engine/computer is in a more effecient/relaxed state and it takes LESS fuel to cruise at that rpm, than it does at 1900 rpm and

If you're using O/D (manual/auto), there are now, almost NO DOWNSHIFTS and that really saves MPG !!

JIMBO
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Old 09-18-2011, 01:33 PM   #37
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What mpg numbers are you getting/tires/lift?
Would it hurt my jeep or mpg if I changed the gears before I lifted and put bigger tires on mine?

Quote:
Originally Posted by JIMBOX View Post
Not quite sure of the drift of your post, but







What I'm saying is simply, that the 3.8L v6 isn't in it's EFFICIENT rpm "MODE" untill 2100 to 2800 rpm, so that even though you're now cruising at 2500 rpm at 70mph/vs 1900 rpm--

The engine/computer is in a more effecient/relaxed state and it takes LESS fuel to cruise at that rpm, than it does at 1900 rpm and

If you're using O/D (manual/auto), there are now, almost NO DOWNSHIFTS and that really saves MPG !!

JIMBO
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Old 09-18-2011, 01:53 PM   #38
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I don't know what tires/gears you have--


Quote:
Originally Posted by Craig2425 View Post
What mpg numbers are you getting/tires/lift?
Would it hurt my jeep or mpg if I changed the gears before I lifted and put bigger tires on mine?
Previously, my JKUR had auto tranny/4.10 gears and 32" BFGs--avg freeway mileage-70mph/15mpg/infrequent O/D

Towing my trailer 60mph/13mpg

------Now---with 33.2" Hankooks/5.38 gears/2.5" lift

Avg freeway mileage-70mph/17.2 mpg/constant O/D

Towing my trailer 60mph/16mpg

Immediate throttle responce, cause the ECU knows all !

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Old 09-18-2011, 02:11 PM   #39
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I don't know what gears I have. I bought it used but everything seems to be stock.

Quote:
Originally Posted by JIMBOX View Post
I don't know what tires/gears you have--




Previously, my JKUR had auto tranny/4.10 gears and 32" BFGs--avg freeway mileage-70mph/15mpg/infrequent O/D

Towing my trailer 60mph/13mpg

------Now---with 33.2" Hankooks/5.38 gears/2.5" lift

Avg freeway mileage-70mph/17.2 mpg/constant O/D

Towing my trailer 60mph/16mpg

Immediate throttle responce, cause the ECU knows all !

JIMBO

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