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Old 06-08-2009, 01:23 PM   #1 (permalink)
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Question flexing

sorry for the stupid question but what are the immediate and long term effects of chassis flexing i was just wondering because I do light off-roading and i was planning on taking my first long trip (4 days or more) so i was wondering just in case because i don't have a roll cage yet. thank you guys for all the help and for giving me your time.
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Old 06-08-2009, 01:41 PM   #2 (permalink)
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Extensive flexing over prolonged time will lead to metal fatigue, but for what you are talking about, there is very little to worry about.

A roll cage is more about protecting you than about stiffening the vehicle up.
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Old 06-08-2009, 10:10 PM   #3 (permalink)
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the reason i ask is because its a daily driver and i don't want to mess it up too bad. I once had a Dodge Dakota 2002 and affter taking it out about three times off road not even doing any thing crazy it wont go strait
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Old 06-08-2009, 10:58 PM   #4 (permalink)
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...also may be a concern for you- some models are prone to rubbing the cab and the bed as the frame flexes... just causes cosmetic issues
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Old 06-08-2009, 11:23 PM   #5 (permalink)
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Quote:
Originally Posted by smell510 View Post
sorry for the stupid question but what are the immediate and long term effects of chassis flexing i was just wondering because I do light off-roading and i was planning on taking my first long trip (4 days or more) so i was wondering just in case because i don't have a roll cage yet. thank you guys for all the help and for giving me your time.
answer these questions, and we can answer yours.

Make/model of vehicle.
suspension mods?
tire size?

Loaded weight with ALL your gear?
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Old 06-09-2009, 01:12 AM   #6 (permalink)
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you posted nothing about the truck you are speaking of, but is the frame boxed?

all frames will flex a little, but its going to take alot of repetition to permenantly damage the actual frame. as already stated, cargo load, terrain, and the type of frame you have are going to be the biggest factor.

if you do light offroading, i doubt it would be an issue. a roll cage is not neccissary, and although a roll cage may increase the ridgity of a frame- a roll cage is more to protect the occupants as opposed to prevent the frame from flexing.
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Old 06-09-2009, 02:39 AM   #7 (permalink)
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the reason i ask is because its a daily driver and i don't want to mess it up too bad. I once had a Dodge Dakota 2002 and affter taking it out about three times off road not even doing any thing crazy it wont go strait
I suspect you you bent something with your steering. Frames can be bent, but you'd know if you did something severe enough in 3 trips to bend a frame.

What kind of truck are you driving now?
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Old 06-10-2009, 12:07 PM   #8 (permalink)
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I beat, and I mean BEAT the hell out of my 2000 Dakota for 3 years and the worst thing I did was bend a driveshaft and cause the t-case to blow.

As was mentioned, it's likely something in your steering setup.
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