My wife is the proud new owner of a 4-banger 93 Wrangler. It's in grood
shape, was well cared for and garaged. It has a sailcloth top, nerf bars
and 31" tires wrapped around some AR outlaws. It has some heavy duty
looking shackles on it but no real lift.

The tires say 50 psi. That seems a bit much for a lite Jeep. We didn't
get any owners manual, but I was thinking somewhere around 35 psi, but...

The thing drives kinda squirrelly. It's real touchy about steering.
Which makes me think maybe, perhaps the tires should be inflated to a
higher psi, but I'm not sure. Maybe it needs a front end alignment.

Any thoughts? TIA


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In article <fDt9b.56848$Qy4.40567@fed1read05>,
"Jerry Bransford" <jerrypb@mecox.net> wrote:

> That tire pressure molded onto a tire is not the recommended tire pressure,
> it's only the MAXIMUM tire pressure when the tire is loaded to its maximum
> weight limit. Of course your Jeep weighs probably around of the tire's
> maximum weight, so you should use nowhere near that 50 psi rating. 29-31
> psi is probably pretty close for a normal Wrangler that isn't loaded down
> with gear.
>
> Jerry

Thanks Jerry.... WOW! My posts are showing up! WooHoo!, ahem...

What about the squirrellyness, any ideas? My CJs were never that way.


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In article <fDt9b.56848$Qy4.40567@fed1read05>,
"Jerry Bransford" <jerrypb@mecox.net> wrote:

> That tire pressure molded onto a tire is not the recommended tire pressure,
> it's only the MAXIMUM tire pressure when the tire is loaded to its maximum
> weight limit. Of course your Jeep weighs probably around of the tire's
> maximum weight, so you should use nowhere near that 50 psi rating. 29-31
> psi is probably pretty close for a normal Wrangler that isn't loaded down
> with gear.
>
> Jerry

Thanks Jerry.... WOW! My posts are showing up! WooHoo!, ahem...

What about the squirrellyness, any ideas? My CJs were never that way.


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How's your front-end alignment? Like toe-in? Has anyone installed a lift
on the Jeep that might have decreased the Caster angle below 5 degrees? A
quick front-end alignment will tell you. If the Caster angle is less than
about five degrees, that could cause "squirreliness". Toe-in should be 0
to -.15 degrees though .15 works best.

Jerry
--
Jerry Bransford
To email, remove 'me' from my email address
KC6TAY, PP-ASEL
See the Geezer Jeep at
http://members.***.net/jerrypb/

"Jeepers" <moomesa@INVALIDfnbnet.net> wrote in message
news:moomesa-426D16.20272215092003@corp.newsfeeds.com...
> In article <fDt9b.56848$Qy4.40567@fed1read05>,
> "Jerry Bransford" <jerrypb@mecox.net> wrote:
>
> > That tire pressure molded onto a tire is not the recommended tire
pressure,
> > it's only the MAXIMUM tire pressure when the tire is loaded to its
maximum
> > weight limit. Of course your Jeep weighs probably around of the tire's
> > maximum weight, so you should use nowhere near that 50 psi rating.
29-31
> > psi is probably pretty close for a normal Wrangler that isn't loaded
down
> > with gear.
> >
> > Jerry
>
> Thanks Jerry.... WOW! My posts are showing up! WooHoo!, ahem...
>
> What about the squirrellyness, any ideas? My CJs were never that way.
>
>
> -----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
> http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
> -----== Over 100,000 Newsgroups - 19 Different Servers! =-----

 

How's your front-end alignment? Like toe-in? Has anyone installed a lift
on the Jeep that might have decreased the Caster angle below 5 degrees? A
quick front-end alignment will tell you. If the Caster angle is less than
about five degrees, that could cause "squirreliness". Toe-in should be 0
to -.15 degrees though .15 works best.

Jerry
--
Jerry Bransford
To email, remove 'me' from my email address
KC6TAY, PP-ASEL
See the Geezer Jeep at
http://members.***.net/jerrypb/

"Jeepers" <moomesa@INVALIDfnbnet.net> wrote in message
news:moomesa-426D16.20272215092003@corp.newsfeeds.com...
> In article <fDt9b.56848$Qy4.40567@fed1read05>,
> "Jerry Bransford" <jerrypb@mecox.net> wrote:
>
> > That tire pressure molded onto a tire is not the recommended tire
pressure,
> > it's only the MAXIMUM tire pressure when the tire is loaded to its
maximum
> > weight limit. Of course your Jeep weighs probably around of the tire's
> > maximum weight, so you should use nowhere near that 50 psi rating.
29-31
> > psi is probably pretty close for a normal Wrangler that isn't loaded
down
> > with gear.
> >
> > Jerry
>
> Thanks Jerry.... WOW! My posts are showing up! WooHoo!, ahem...
>
> What about the squirrellyness, any ideas? My CJs were never that way.
>
>
> -----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
> http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
> -----== Over 100,000 Newsgroups - 19 Different Servers! =-----

 

In article <GLt9b.56850$Qy4.12353@fed1read05>,
"Jerry Bransford" <jerrypb@mecox.net> wrote:

> How's your front-end alignment? Like toe-in? Has anyone installed a lift
> on the Jeep that might have decreased the Caster angle below 5 degrees? A
> quick front-end alignment will tell you. If the Caster angle is less than
> about five degrees, that could cause "squirreliness". Toe-in should be 0
> to -.15 degrees though .15 works best.

Alignment will be checked tomorrow. No lift other than the shackles.


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In article <GLt9b.56850$Qy4.12353@fed1read05>,
"Jerry Bransford" <jerrypb@mecox.net> wrote:

> How's your front-end alignment? Like toe-in? Has anyone installed a lift
> on the Jeep that might have decreased the Caster angle below 5 degrees? A
> quick front-end alignment will tell you. If the Caster angle is less than
> about five degrees, that could cause "squirreliness". Toe-in should be 0
> to -.15 degrees though .15 works best.

Alignment will be checked tomorrow. No lift other than the shackles.


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In article <vmcrr65tj4didb@corp.supernews.com>,
"Dana Rohleder" <boreal@charter.net> wrote:

> Factory specs with 225/75SR15 tires are 30 psi front & rear. Typically, LT
> tires run with a higher pressure (starting around 35 psi), I think to keep
> the stiffer sidewalls cooler. I run 31/29 psi front/rear in my 235/75SR15's
> and it seems to do well on the highway. As others noted, the psi rating on
> the tire is the MAX cold inflation pressure. If you go that high on a jeep,
> you may as well be using wagon wheels - it will be VERY squirrelly indeed.
> Typically, the lower the tire pressure, the more sluggish the handling and
> more body roll/sway. The higher you go, the tighter and more responsive the
> vehicle gets. You'll need to experiment - carefully!
>
> If you've never owned a short-wheelbase off-roader,

Two CJs and a Cherokee. They both behaved well.

> the highway handling
> tendencies will, and should, scare the crap out of you - that's why they
> call them off-road vehicles, and why the YJ has a roll bar(though they are
> loathe to use the term for obvious reasons). Every larger step in tire size
> and every inch of lift makes a Jeep less of a highway vehicle and more
> squirrelly at speed. You'll get used to the twitchy steering, but you need
> to be very careful braking and steering in wet/slippery conditions. But if
> you are going to keep this ride height and these tires, you may want to have
> an alignment done. A poor alignment will make things pretty twitchy also.
> --
> Dana Rohleder
> Port Kent, NY

Right now her tires are at 32 psi. AN alignment is scheduled.


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In article <vmcrr65tj4didb@corp.supernews.com>,
"Dana Rohleder" <boreal@charter.net> wrote:

> Factory specs with 225/75SR15 tires are 30 psi front & rear. Typically, LT
> tires run with a higher pressure (starting around 35 psi), I think to keep
> the stiffer sidewalls cooler. I run 31/29 psi front/rear in my 235/75SR15's
> and it seems to do well on the highway. As others noted, the psi rating on
> the tire is the MAX cold inflation pressure. If you go that high on a jeep,
> you may as well be using wagon wheels - it will be VERY squirrelly indeed.
> Typically, the lower the tire pressure, the more sluggish the handling and
> more body roll/sway. The higher you go, the tighter and more responsive the
> vehicle gets. You'll need to experiment - carefully!
>
> If you've never owned a short-wheelbase off-roader,

Two CJs and a Cherokee. They both behaved well.

> the highway handling
> tendencies will, and should, scare the crap out of you - that's why they
> call them off-road vehicles, and why the YJ has a roll bar(though they are
> loathe to use the term for obvious reasons). Every larger step in tire size
> and every inch of lift makes a Jeep less of a highway vehicle and more
> squirrelly at speed. You'll get used to the twitchy steering, but you need
> to be very careful braking and steering in wet/slippery conditions. But if
> you are going to keep this ride height and these tires, you may want to have
> an alignment done. A poor alignment will make things pretty twitchy also.
> --
> Dana Rohleder
> Port Kent, NY

Right now her tires are at 32 psi. AN alignment is scheduled.


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If this YJ has longer shackles installed to allow the 31's then it's most
likely the front caster is off by a mile. If you want to leave the 31s then
it'll probably take shimming the front axle to get the caster back to the
5-7 degrees necessary.
"Jeepers" <moomesa@INVALIDfnbnet.net> wrote in message
news:moomesa-943209.20050515092003@corp.newsfeeds.com...
> My wife is the proud new owner of a 4-banger 93 Wrangler. It's in grood
> shape, was well cared for and garaged. It has a sailcloth top, nerf bars
> and 31" tires wrapped around some AR outlaws. It has some heavy duty
> looking shackles on it but no real lift.
>
> The tires say 50 psi. That seems a bit much for a lite Jeep. We didn't
> get any owners manual, but I was thinking somewhere around 35 psi, but...
>
> The thing drives kinda squirrelly. It's real touchy about steering.
> Which makes me think maybe, perhaps the tires should be inflated to a
> higher psi, but I'm not sure. Maybe it needs a front end alignment.
>
> Any thoughts? TIA
>
>
> -----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
> http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
> -----== Over 100,000 Newsgroups - 19 Different Servers! =-----