Pros and Cons of Torsion Bar Adjustment

3,433 Views | 10 Replies | Last: 19 yr ago by lostboy
MattKyle07
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I have a 2003 GMC1500 2wd with a 3inch FabTech Spindle Lift. Right now I have 265/75/16 BFG's on 16x8 American Racing Wheels, that will need replacing soon. I am thinking about buying 285's (33's) to replace them, but i think they will rub pretty badly.
I have heard i can crank the torsion bars up to give me some added clearance. Is that a good idea? I dont know anything about it or how its done. Thanks for any advice.
FTAco07
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Good luck finding those torsion bars on a 2wd truck
CanyonAg77
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Good catch, I didn't even think about the 2WD part.

Frankly, I have no idea why people put the huge wheels/tires crap on vehicles anyway. Makes the vehicle ride/drive/look like a circus wagon, and 99.9999999999999% of them will never go near a dirt road, much less mud bogging.
HouAggie
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Not one piece of real advice. Hmmm. What a shock!
CanyonAg77
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quote:
Not one piece of real advice. Hmmm. What a shock!
Yes, the first one was great advice: You can't adjust what you don't have.

I thought mine was pretty good, too: Don't be a dumbass.
SD_71
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Even though he can not do it on a 2WD I turned mine up to make my 4x4 2500HD level after a front end replacement. If you keep your tires rotated (which one SHOULD do anyway) I have had zero problems in 130,000 miles.
HouAggie
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First one was a smartass reply (although I guess he did convey his point). Yours was a worthless opinion.

quote:
Don't be a dumbass.

Ditto.
CATAGBQ04
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So what do you really DO with a lifted 2wd anyway?
CanyonAg77
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HouAggie-

Looking back, mine was the smartass reply (to you). The dumbass remark was uncalled for. I guess I was trying to be funny, obviously I was not and I apologize.


But "worthless" opinion? True, it is only an opinion, which everyone has. But then again, I have been "into cars" for at least 40 years. I have seen fads come and go. I have driven all sorts of vehicles in all sorts of conditions.

My opinion, based on fact and experience, is that you need to be very careful jacking around with the factory suspension. These guys have 100 years of car building experience, and engineering and safety knowledge way beyond yours or mine.

While some modifications, especially to fit your particular use of the vehicle might be helpful, modifications for the sake of appearance usually are not. Radical changes in the tires and suspension are going to cause radical changes in handling and safety. Most of these will not be positive.

Of course, everyone has a right to modify their vehicle within legal limits, but I find it laughable to see a shiny new pickup that will never see a dirt road, much less a mud bog, with huge tires and radical lift. And frankly, my experience driving in mud and snow tells me that huge tires and radical lift aren't a whole heck of a lot better in 95% of mud than my factory 4WD with a very moderate tread pattern. In some conditions, it is much worse. If the original poster does have a 2WD, good luck to him pushing big (non-powered) front tires down a slick road.

In addition, it is irresponsible of someone to modify their vehicle in a way that compromises safety, when it compromises my safety. A lifted, big tired pickup can't stop or manuver well, and is more prone to rollover. If a modified pickup does that and crashes into me, I will hold the modifier responsible. And I certainly pray I never get T-boned by a lifted pickup whose bumper is now level with my head instead of my door.


When I was in high school, the fad was to jack up the back end of your car and put fat tires under the back, and lower the front and put little tires. The idea was to emulate drag racers of the day. I had a BQ buddy who did his 65 GTO that way. It was terrible, it rode like a wagon because he accomplished the lift with air shocks pumped to their maximum.

A dad of a HS friend laughed at the jacked-up-in-the-rear cars. He told us that in his day, they jacked up the front and lowered the rear, so the cars would appear to be accelerating.


Ah, kids........
YZ250
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quote:
A dad of a HS friend laughed at the jacked-up-in-the-rear cars. He told us that in his day, they jacked up the front and lowered the rear, so the cars would appear to be accelerating.


Hilarious!
lostboy
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Matt, let me try to give you some solid advice:

I'm assuming you have blocks in the back to even out the spindle lift. Depending on the size of those blocks, you should have enough room for 285's. Having the power to turn those wheels is not your problem (Do you know your gear ratio?).

The real issue is going to be the 285's rubbing on your lower valence when turning. This can be solved with some minor shaving/cutting of the plastic - quick fix. There could also be some rubbing on an interior side bar. Basically, you will lose some of your turning radius. I do not have enough experience to know how well that year model turns to know what it will mean to lose some.

I also believe that messing with the factory suspension is risky. I have seen many 5 or 6 year old chevys with large suspension lifts that ride like complete crap today. Those lifts wear down components that should last nearly the liftime of the truck.

However, I do disagree with some of the posters on here that say lifting a 2wd pickup truck is useless. Take my truck as an example. I drive a 04' 2wd chevy. After 2 years of nearly ripping off the lower valence when coming down the tank dam from fishing and spinning my wheels in wet grass and dirt in the pasture, it was time for a change. I put on a 3 inch body lift and some off road tires.

The change was monumental. The front end clearence has given me the freedom to go where I need to go without destroying my grill. And the tires have done wonders. They have provided all the grab I need offroad.

Many people underestimate what a 2wd pick-up can do in the mud as well. After mudding with a buddy who drove a 4wd truck, I asked if he had his truck in 2wd because he seemed to struggle through the mud. To my suprise he had his truck in 4wd the entire time. My 2wd truck had all the power it needed, and the off road tires pulled me through no problem.

So back to you Matt- 285's should fit. Sorry you will have to spend money on new tires and wheels. Sounds pricey.

[This message has been edited by lostboy (edited 12/2/2006 8:16p).]
lostboy
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ttt for you Matt. Hope this helps.
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