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Jeep Wrangler Modifications

113 messages,  Last post on Sep 08, 2009 at 6:48 AM

You are in the Jeep Wrangler Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Wrangler Unlimited, Jeep Wrangler, SUV


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#106 of 113
Engine Questions by jeep_guy
Apr 07, 2009 (10:07 pm)
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I just bought a YJ wrangler with a 318 V8 dropped in about 100K on it. That engine will get a better fuel mileage on the jeep than it would on the Dodge Dakota right? It just seems like the engine would be pushing a lot less. Some help.
#107 of 113
Re: Engine Questions [jeep_guy] by erickpl
Apr 08, 2009 (4:41 am)
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Replying to: jeep_guy (Apr 07, 2009 10:07 pm)

Jeeps are not as light as ya think. Also, if you offroad, have bigger tires, and weight-adding features like armor, winch, etc, it may not be a great as you think.
 
That said, MOST people I know who have done a V8 swap will see a bit of an MPG increase. But don't let that be the basis for purchasing it.
 
-Paul
#108 of 113
Need to two 5,000#, 2 axel boat trailer by we2
Jun 19, 2009 (5:04 pm)
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Are there any modifications that can be done to an older jeep wrangler (2003 to 2006) models that would increase towing to 5,000#? Engine work? Transmission coolers? Shocks? Frame? Transmission exchange? Other?
 
If able to do this any idea of the total cost involved to modify? What specific models should I look to purchase to make this work best?
#109 of 113
Re: Need to two 5,000#, 2 axel boat trailer [we2] by mac24
Jun 20, 2009 (3:36 am)
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Replying to: we2 (Jun 19, 2009 5:04 pm)

Are there any modifications that can be done to an older jeep wrangler (2003 to 2006) models that would increase towing to 5,000#?
 
A 4.0 automatic Wrangler is quite capable of towing 5Klbs and I've done it myself many times.
However, when I've done so it's been on relatively flat dry roads with efficient trailer brakes.
The limitations on the Wrangler are both legal (3Klbs is the recommended max), and physical (it's a very short wheelbase vehicle which makes it easy for a trailer to push it around).
 
The only modification required besides a class III trailer hitch and the appropriate wiring, is to install a large transmission cooler.
 

 
I use this one, a stacked plate B&M (#BMM-70266) which is readily available from many places including Amazon.com for around $80.
 
Other than that, make sure the brakes, steering, and cooling system are all 100%.
Don't expect it to tow like a Ford F350, don't expect to keep up with a fast traffic flow, don't hit an off-ramp at 60mph.......... in fact don't hit anything, as the legal implications of an overweight trailer could be serious.
#110 of 113
Re: Need to two 5,000#, 2 axel boat trailer [mac24] by erickpl
Jun 22, 2009 (5:14 am)
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Replying to: mac24 (Jun 20, 2009 3:36 am)

Probably the biggest issues is the short wheelbase. If you're towing something that heavy, you do run the risk of the tail wagging the dog...
 
-Paul
#111 of 113
will automatic transmission be trouble for DIY modification? by wolfmanii
Aug 20, 2009 (9:46 am)
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I am going to get a Jeep Wrangler Unlimited.
and I will do some suspension lift on it.
 
I prefer manual transmission but it seems almost
all wranglers around my area are automatic. My question is, will automatic transmission cause
much trouble to suspension lift DIY compared to Manual one?
#112 of 113
Re: will automatic transmission be trouble for DIY modification? [wolfmanii] by erickpl
Aug 20, 2009 (10:16 am)
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Replying to: wolfmanii (Aug 20, 2009 9:46 am)

No. Just have to be careful if you order new skids. Some are for manuals while there is a different part number for automatics.
 
Keep in mind, the driveshafts go to the axles from the transfer case, NOT the transmission itself. And the t-case is the same for auto vs manual.
 
-Paul
#113 of 113
Add Speed Control (Cruise Control) by wolfmanii
Sep 08, 2009 (6:48 am)
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Planning to add MOPAR speed control (cruise control) to my new Wrangler.
 
The thing that I am not sure are:
 
1. will this DIY project void the warranty on my jeep
2. the installation deals with removing the steering wheel where the
air bag is located. I dound a way to disable the SRS airbag. After that, will this be safe to do?
 
Recommendations are welcome.

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