[Spridgets] Air Pressure & Lug Nut Torque

[Paul Van Wig]

My truck TPI will show a big change between Lakewood (34 feet) and my Big
Bear house (7440 feet) when it may be in the single digit at night in
winter and 80 degrees down the hill. Darn light keeps coming on.

Paul Van Wig

Big Bear/Lakewood, CA


On Tue, Aug 28, 2018 at 4:24 PM brian via Spridgets <
spridgets at autox.team.net> wrote:

> It would depend on the tire, and the weight of the car.  Are people
> quoting auto manufacturer recommendations for bias ply tires?
> Brian
>
> On Tue, Aug 28, 2018 at 8:24 AM, Ron Soave via Spridgets
> <spridgets at autox.team.net> wrote:
> > What you ultimately care about is the contact patch and tread behavior at
> > temperature. It depends on the tire, not the car. The manufacturer should
> > list that somewhere on their website.
> >
> > Ron Soave
> >
> > On Aug 28, 2018, at 7:39 AM, Rick Fisk via Spridgets
> > <spridgets at autox.team.net> wrote:
> >
> > Allen,
> >
> > Not wanting to start anything here, but your tire pressure
> recommendations
> > don't make sense to me.  I've never seen the recommended tire pressure
> is at
> > 32 degrees F spec in a manual anywhere.  ???  Seems to me the tire
> pressure
> > should be the same no matter what the temperature is.
> >
> > For every 10 degree F rise in air temperature the pressure in your tires
> > will rise about 1 psi and fall 1 psi for every 10 degree drop in
> > temperature.  So to maintain the car manufacturer's recommended tire
> > pressure you should reduce the pressure when the temp goes up and raise
> it
> > when the temp drops.
> >
> > Why would you always add 5 psi to the recommended pressure?  Seems to me
> the
> > car manufacturer probably knows best when it comes to recommended tire
> > pressures for their cars.
> >
> > Rick
> >
> > Sent from my keyboard
> >
> > On Aug 27, 2018, at 10:39 AM, Allen Hefner via Spridgets
> > <spridgets at autox.team.net> wrote:
> >
> > Don't forget that the recommended tire pressure in the manuals is at 32
> > degrees. You usually add 1 PSI for every 10 degrees above freezing.
> Nobody
> > seems to know that anymore. The manuals just say ## PSI cold. I always
> just
> > add 5 PSI to the recommended pressure.
> >
> > Allen Hefner
> > Norristown, PA
> >
> > Current:
> > 2016 Subaru outback somewhere
> > 2006 Chebbie
> > Former:
> > 1963 Sunbeam Alpine Series III
> > 1967 Triumph TR4A IRS
> > 1964 VW Type I
> > 1967 VW Type II
> > 1967 Rover 2000TC
> > 1977 MG Midget (Sniff!)
> >
> >
> > On Tue, Aug 21, 2018 at 1:40 PM John Farley via Spridgets
> > <spridgets at autox.team.net> wrote:
> >>
> >> I am running 175/70 R13s on my 1275+ Bugeye with front disc brakes.
> What
> >> are folk’s recommendations for tire air pressures & lug nut torque?
> >> The manual  seems low for both.
> >> Thanks,  John F.
> >> ------------------------
> >>
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