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Jeep Wrangler Modifications

146 messages,  Last post on May 21, 2010 at 9:32 AM

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Messages Page 14 of 15

#127 of 146 Re: Need to two 5,000#, 2 axel boat trailer [we2] by mac24

Jun 20, 2009 (4:36 am)

Replying to: we2 (Jun 19, 2009 6:04 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.

#128 of 146 Re: Need to two 5,000#, 2 axel boat trailer [mac24] by erickpl

Jun 22, 2009 (6:14 am)

Replying to: mac24 (Jun 20, 2009 4:36 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

#129 of 146 will automatic transmission be trouble for DIY modification? by wolfmanii

Aug 20, 2009 (10:46 am)

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?

#130 of 146 Re: will automatic transmission be trouble for DIY modification? [wolfmanii] by erickpl

Aug 20, 2009 (11:16 am)

Replying to: wolfmanii (Aug 20, 2009 10:46 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

#131 of 146 Add Speed Control (Cruise Control) by wolfmanii

Sep 08, 2009 (7:48 am)

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.

#132 of 146 LoD and ScreaminLizard by tired_old_dave

Dec 11, 2009 (4:41 pm)

Yesterday the rubi rails were replaced with LoD installed by ScreaminLizard.

#133 of 146 Side pipes to Jeep Wrangler by gavindxb

Apr 11, 2010 (10:56 am)

Good Day,
 
Please could someone please give me some advise/ share their thoughts on my idea...
 
I would like to know if one could fit side pipes to a Jeep Wrangler 93 Model.
The vehicle has been raised and has big tyres fitted, thus ensuring that there is enough clearance.
I live very close to the desert and have not as yet encountered many rocks in the area, although there are certain areas closer to Hatta (Oman) which are rocky.
 
Would you advise this is a good type of system?
Would it affect the performance of the vehicle in a negative manner?
What is the maximum dia. pipe that could be fitted? I am not planning on fitting "branches" to the exhaust manifold, maybe later.
 
This past weekend I went dune bashing and found myself on a 30deg incline, the clutch lost its pressure and fell flat to the floor, could this be as a result of air in the system? Where would be most logical place to start looking for a "leak", I have not checked the slave cylinder, and did not notice any leaks pertruding from the master cylinder? After the vehicle was stopped on a level area the pressure came back on the peddle.
 
Your advise and views would be appreciated..

#134 of 146 Re: Side pipes to Jeep Wrangler [gavindxb] by mac24

Apr 11, 2010 (1:43 pm)

Replying to: gavindxb (Apr 11, 2010 10:56 am)
I would like to know if one could fit side pipes to a Jeep Wrangler 93 Model......Would you advise this is a good type of system?
Would it affect the performance of the vehicle in a negative manner?
 
The original system is designed to give maximum ground clearance and protection.
Changing to side pipes would reduce the ground clearance and make the system much more vunerable to impact damage.
However, if you're just doing it for appearance then pick whatever is most pleasing to your eye.
 
This past weekend I went dune bashing and found myself on a 30deg incline, the clutch lost its pressure and fell flat to the floor, could this be as a result of air in the system? Where would be most logical place to start looking for a "leak",
 
It may just be a low fluid level, though it could be air in the system.
Master cylinder, slave cylinder, and the connecting pipe are the only components, so check them all for leaks.

#135 of 146 Re: Side pipes to Jeep Wrangler [mac24] by gavindxb

Apr 12, 2010 (9:19 am)

Replying to: mac24 (Apr 11, 2010 1:43 pm)
Thank you for your reply Mac24.
 
As mentioned, the vehicle is raised by about 4 inches and has bigger tires fitted, I have about 50cm ground clearance, but I get your point and it will be considered before I make the final decision.
 
Should I decide to stay with the standard rear exit exhaust system, do you perhaps know what is the maximum size of pipe I could use without compromising engine performance? I had a 2.8L BMW and the max I could go there was 60mm. I loved the sound it produced and I am hoping to achieve the same with this vehicle.. (I am a true petrol head, who needs a radio??)
 
I shall start with the fluid, thank you for your advise!

#136 of 146 Re: Side pipes to Jeep Wrangler [gavindxb] by mac24

Apr 12, 2010 (9:55 am)

Replying to: gavindxb (Apr 12, 2010 9:19 am)
Should I decide to stay with the standard rear exit exhaust system, do you perhaps know what is the maximum size of pipe I could use without compromising engine performance?
 
You don't say which engine you have, but in general as you raise the exhaust diameter you reduce the backpressure, which in turn moves the point of maximum torque further up the rev scale while reducing the width of the torque band.
 
I've no idea at what point performance starts to significantly degrade, but if the main purpose is to change the sound then I'd just go with whatever sounds the best to you. Even with 6" pipes it should still be driveable.

Messages Page 14 of 15

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