[AT] OT truck tires/driveshaft?

[charlie hill]

I agree with you Steve.  My apology was only in respect to having mis-read 
the message.
I thought I read that tires should be inflated to max indicated pressure 
which is what
a lot of tire dealers were doing, they thought in self defense, after the 
Explorer problems.

Charlie

-----Original Message----- 
From: Stephen Offiler
Sent: Thursday, May 15, 2014 2:02 PM
To: Antique tractor email discussion group
Subject: Re: [AT] OT truck tires/driveshaft?

Respectfully disagree there, Mike.  Tire pressure ratings are provided by
the manufacturers for pickup trucks as well as passenger vehicles.  In the
case of pickup trucks, the pressures relate to the truck hauling at max
GVWR.  Pretty much the opposite of what you just said if I read you
correctly.

SO


On Thu, May 15, 2014 at 1:12 PM, Mike <meulenms at gmx.com> wrote:

> Charlie, i think you may have misread Jeff's post, he is saying NOT to
> inflate tires to their maximum pressure by default. I also think that
> the pressure ratings provided by the auto manufacturers, are mainly for
> passenger vehicles, not trucks (pick-ups included) that are hauling
> heavy loads or trailers. With my truck I put maximum pressure in the
> rears when hauling our goose-neck, and it rides and handles fine. When
> we're done hauling I take the air right back out again. If I don't I
> bounce around like crazy and have poor rear traction.
>
> Mike M
>
> On 5/15/2014 6:49 AM, charlie hill wrote:
> > Jeff I know you mean well by posting that and since I don't
> > remember seeing you post here before I don't want to discourage
> > you with a negative reply but I just can't agree with that.
> >
> > Generally speaking your tires should be inflated to the pressure that
> > creates maximum
> > contact with the pavement.   Put a set of load range  E  tires on a
> pickup
> > truck and inflate
> > them to their max and try to drive on wet pavement.  You'll be lucky to
> keep
> > the
> > vehicle under control.   I nearly wrecked my truck once when I bought a
> set
> > of tires
> > out of town at a chain tire store who did just that.  My vehicle
> recommended
> > 36 psi.
> > The store set them at 50 psi.  I noticed they were very squirrely
> feeling on
> > the way
> > home but didn't think much about it until I hit some rain and nearly
> > wrecked.  Those tires
> > weren't Load range E, they were just good quality load C tires with a
> high
> > max pressure
> > rating.
> >
> > I drove a tractor trailer for many years and we always adjust tire
> pressure
> > to load.  Most of the
> > time we were running heavy loads and when we were dead heading somewhere
> and
> > it started
> > to rain we had to be very careful.   Tire pressure is often adjusted 
> > down
> > for running off road on
> > soft surfaces as well.  In fact, some tractor trailers now come with a
> rig
> > that allows them to adjust
> > tire pressure from the cab of the truck.
> >
> > Running too much pressure (just because the tire says you can) will 
> > cause
> > premature wear in the
> > center of the tire as well as making the vehicle hard to handle.   If 
> > you
> > really want to know how to
> > precisely set your tire pressure get yourself an infrared thermometer,
> drive
> > the vehicle until the
> > tires are warmed up good by going around some curves.  Then stop and 
> > have
> > someone take
> > temperature readings across the face of the tire.  If the temps are 
> > about
> > the same on all of the
> > treads you have them right.  That is how race teams set up their cars 
> > for
> > racing assuring they
> > have maximum tire contact.
> >
> > Others might have different opinions but I know what has worked for me
> for a
> > few million miles
> > in all sorts of vehicles.
> >
> > Charlie
> >
> > -----Original Message-----
> > From: Jeff & Ginny Pomije
> > Sent: Wednesday, May 14, 2014 10:16 PM
> > To: at at lists.antique-tractor.com
> > Subject: Re: [AT] OT truck tires/driveshaft?
> >
> > Can't speak to the vibration, but tires show the max PSI that they can
> > handle.  That is not the same as what is recommended by the vehicle
> > maker.  Usually on the driver's door frame of vehicles is a tag that
> > gives the recommended tire pressure for that vehicle.
> >
> > Jeff Pomije
> >
> > On 5/14/2014 8:39 PM, jtchall at nc.rr.com wrote:
> >> Dropped the air pressure in the front tires to 65 and the vibration
> >> dropped
> >> to tolerable levels, at times not even noticeable. I had close to 80 in
> >> the
> >> tires, I'm thinking the tires call for 85 or 90 psi. The guy that sold
> me
> >> those tires says 65 should be fine. I don't understand the discrepancy
> >> between what he is telling me and what is listed on the tire.
> >> Could vibration with higher pressure be a sign of bad shocks (I guess 
> >> it
> >> has
> >> them on the front, haven't looked). Anyway, got a small load of scrap
> iron
> >> I
> >> need to haul. Not enough weight to load the truck but I should be able
> to
> >> get an idea if the vibration is going to be tolerable.
> >>
> >> John
> >>
> >>
> >>
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