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 Post subject: Weight Reduction Ideas
PostPosted: Fri Sep 16, 2005 2:19 pm 
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Location: Cary, NC
We all know our Liberty's are just little fat porkers.

I'd like to start a thread about ideas that could reduce weight.
What parts of the Liberty could be replaced with lighter materials?
Instead of making steel roof racks, could we make them out of composites?
Are there lighter seats we could replace our seats with?
Is the dash board made out of the lightest material?
How much does all that rug weigh and do I need it with my Husky mats?
Would a carbon fiber hood reduce any weight?
Are there more rugged by lighter fender flares?

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PostPosted: Fri Sep 16, 2005 4:31 pm 
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I think the easiest way to cut quite a bit of weight would be to drop the skids, bars and go back to the small stock tires. You could probably cut 200lbs or more, but I really don't feel like putting skids back on an swaping tires everytime I want to go wheeling.


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PostPosted: Mon Sep 19, 2005 11:39 am 
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http://biz.yahoo.com/bizwk/050919/b3952051.html?.v=1

"For every 10% drop in weight, mileage improves by around 5%."

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CRS-Rock Rails * Rusty's Lift * *MTR's * Husky Mats * The 'Grill' and Shelf

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PostPosted: Mon Sep 19, 2005 11:46 am 
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Quote:
5 SIX-SPEEDS Each additional gear widens the range of speeds at which an engine achieves maximum efficiency. So while 4-speed transmissions are good, 5-speeds are better. Even 6-speed gearboxes are no longer exotic. More than six is unlikely in the mass market, says Edmunds.com's Toprak, but going from 4- to 6-speeds can yield mileage gains of up to 7%. As production volumes grow and costs fall, 6-speed transmissions will become the norm.


wheee! I'd much rather drive a 6speed than lose my skid plates :-)

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4x4, 6spd, Leather, Sunroof, trak-loc, skids/rails, hitch+shackle, hooks, Alpine/iPod, Thule, GPS, CB, Frankenlifted w/ 31" MTRs
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 Post subject:
PostPosted: Mon Sep 19, 2005 11:52 am 
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Intresting article. They didn't mention, try to limit your short trips, meaning down to the store for one thing. No jackrabbit starts, get up to a cruising speed and attempt to maintain that speed. Which in California is near impossible. Kind of wish the auto was a 5 speed though.
Personally, I have my skid for the fuel and tow hitch on, but the other skids I removed because I'm not wheelin' right now. (The tank skid removal is a pain) I have not noticed any gain in mileage.
But I have recently swapped the muffler which gave me more power and a bump at freeway speeds mileage.


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PostPosted: Mon Sep 19, 2005 2:00 pm 
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you could get rid of those pesky doors. :)


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PostPosted: Mon Sep 19, 2005 5:05 pm 
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kevh wrote:
you could get rid of those pesky doors. :)


then we have to deal with weight vs wind resistance issues. :-P I'd love some safari doors, though...too bad the electric mirrors/locks/windows/etc are there.

How much of a role do you guys think tire pressure plays in this? After wheeling I just "fill" my tires to whatever looks good at the time (30-35psi or so). I think the doorframe suggested 30, but I don't recall offhand. Has anybody noticed a significant increase in MPG by selecting the exact right pressure?

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 Post subject:
PostPosted: Mon Sep 19, 2005 7:15 pm 
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My tire PSI is 37. I've had no issues. Slightly rougher ride, but it's a Jeep, right?


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PostPosted: Tue Sep 20, 2005 7:45 am 
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I try to keep my PSI at 38 cold, no less than 36.

Since I have Rusty's Lift my ride is pretty smooth.

I just recently bought mostly street tires and put my old MTR's on steel wheels, so I can switch out to those when I need them. I don't want to have to take my skids on and off. It would be nice to find a better permanent solution to weight loss on my vehicle. Personally, I'm trying to reduce driving weight by 15-20 lbs. :)

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Carolina L.O.S.T. Board of Directors
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CRS-Rock Rails * Rusty's Lift * *MTR's * Husky Mats * The 'Grill' and Shelf

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 Post subject:
PostPosted: Wed Sep 21, 2005 10:04 pm 
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i never used my rear seats, is there a way to take them out? spare tire? crazy idea: maybe a fiberglass body, instead of steel!!!

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viewtopic.php?f=43&t=84650


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 Post subject:
PostPosted: Mon Sep 26, 2005 4:09 pm 
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I'm sure we could all go on a diet, and loose 10-30 lbs... :wink:

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 Post subject:
PostPosted: Mon Sep 26, 2005 7:36 pm 
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jeepkj02 wrote:
i never used my rear seats, is there a way to take them out?


Rear seats are removable. There was someone who took them out and put a box or shelf or something back there. I believe he was one of the guys in the California group.

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O||||||O '04 Renegade L.O.S.T. #DL050292 - Life Time
Carolina L.O.S.T. Board of Directors
*** Stuff ***
CRS-Rock Rails * Rusty's Lift * *MTR's * Husky Mats * The 'Grill' and Shelf

FRS/CB (ch 6)


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 Post subject: Re: Weight Reduction Ideas
PostPosted: Sat Nov 29, 2014 10:16 pm 
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Try swiss cheesing some of the parts. I put "speed holes" in my spare tire mount and some of the non-structurally integral brackets under the hood. There is a metal plate underneath the drop down panel for the steering column that weighed 1.5 pounds I removed.
Currently swiss cheesing my skids to drop a bit of weight also. Get a good 1/2" drill bit and a strong drill and plan it out. Probably a good idea to stay away from the frame or anything like that.


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 Post subject: Re: Weight Reduction Ideas
PostPosted: Sat Nov 29, 2014 10:19 pm 
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If you have the rear tow hook and a tow hitch, remove the hook and recover with the hitch. Its probably about 5-6 lbs.
Anyone wanna buy a rear tow hook?


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 Post subject: Re: Weight Reduction Ideas
PostPosted: Thu Feb 07, 2019 8:55 am 
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The easiest thing anyone could do would be to shop for the lightest stock tire size you can find. Lighten your wheels/tires and youll do the most for your MPG. Heavier wheels/tires take longer to accelerate and to slow down.

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