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shovelhead tire pressure?

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matthew j henschel

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Aug 17, 2002, 11:40:12 PM8/17/02
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drink it up ladies and germs

so what's the story with tire pressure these days on the old rides? I'm
talking in particular about my '75 superglide, but am curious about others.
I've got a conti milestone on the back that says it's capable of 850 lbs at
56 psi. WTF? 56 psi? my manual says 24 in the front and rear. I've got
the front at 24, because it is an old dunlop probably from the mid 80s. I
should do something about that before the rubber gives, but theres some
tread and no bread, so fuck it for now. I've got 30 in the rear, because it
can obviously take 56, but -fuck- that. Do I just play this by ear or is
there some tried and true method that wont find me with a blow out or really
premature tire wear?

th-th-th-thanx

-Matt
'75 FXE -- alive again! mostly

goin fer me a ride!


Ryder Rick

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Aug 17, 2002, 11:49:59 PM8/17/02
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"matthew j henschel" <hens...@capaccess.org> wrote in message
news:ajn4r6$1cj0m7$1...@ID-76431.news.dfncis.de...

I run 36 - 39 front 39 - 43 rear.

Running old tires at low pressures I think may be risky, as the old tires
may not handle the heat as well.

I prefer the higher pressures to prevent cupping and actually seem to give
better grip.

Ride On!

RickB


matthew j henschel

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Aug 18, 2002, 12:20:45 AM8/18/02
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> I run 36 - 39 front 39 - 43 rear.
>

Interesting. What's up with the 24 listed in the manual?

-Matt

Ryder Rick

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Aug 18, 2002, 2:43:34 AM8/18/02
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"matthew j henschel" <hens...@capaccess.org> wrote in message
news:ajn777$1auchs$1...@ID-76431.news.dfncis.de...

> > I run 36 - 39 front 39 - 43 rear.
> >
>
> Interesting. What's up with the 24 listed in the manual?
>

Why does Ford say to run tires at lower than MFGR recommended pressures?

RickB


SMitch2282

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Aug 18, 2002, 4:36:43 AM8/18/02
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>
>> I run 36 - 39 front 39 - 43 rear.
>>
>
>Interesting. What's up with the 24 listed in the manual?
>
>-Matt

Back then alot of the stock tires were Goodyear's...thats what they were rated
for...the newer tires are much better and can use higher PSI. Just follow what
the manufacturer says on the side of the tire and you should be fine.

matthew j henschel

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Aug 18, 2002, 5:45:27 AM8/18/02
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Yeah I thought about it a few minutes after I posted, and that seemed
obvious enough. However, I've got a 41psi in the front and a 56 in the
back. Think 36/39 is okay, or should I really fill the back up to 50+?

-Matt


SMitch2282

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Aug 18, 2002, 12:40:09 PM8/18/02
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>> Back then alot of the stock tires were Goodyear's...thats what they were
>rated
>> for...the newer tires are much better and can use higher PSI. Just follow
>what
>> the manufacturer says on the side of the tire and you should be fine.
>
>Yeah I thought about it a few minutes after I posted, and that seemed
>obvious enough. However, I've got a 41psi in the front and a 56 in the
>back. Think 36/39 is okay, or should I really fill the back up to 50+?
>
>-Matt

Run what it says on the sidewall...they set the tire pressure on their tires
for optimum performance and handling.

Gopher

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Aug 18, 2002, 3:43:49 PM8/18/02
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Tire technology. Those old square tread whitwalls that were stock when
your bike was new were quite different than todays tire. My tire man
says run the pressure listed on the tire, not the manual. If it gets too
slippery, drop the pressure in 2 lb increments. Running low pressure
will wipe your tires out in no time flat. Also, running old dried out
tires with good tread is a bad idea. The rubber loses it's grip when it
dries out.

YMMV
--
Gopher
'79FLHassle TB #1
pull 'mychain' to reply
("I've abandoned the idea of trying to appear a normal, pleasant person.
I had to accept myself as I was, even if no one else could accept me.
For the rest of my life I would continue to say precisely the wrong
thing, touch people in the raw and be generally unpopular. I had a
natural gift for it" W. F. Temple)

matthew j henschel

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Aug 18, 2002, 4:07:19 PM8/18/02
to

>
> Tire technology. Those old square tread whitwalls that were stock when
> your bike was new were quite different than todays tire. My tire man
> says run the pressure listed on the tire, not the manual. If it gets too
> slippery, drop the pressure in 2 lb increments. Running low pressure
> will wipe your tires out in no time flat. Also, running old dried out
> tires with good tread is a bad idea. The rubber loses it's grip when it
> dries out.
>

Ya, I know it. The next repair on the list is a new front tire... at least
the rear is brand new

ah well

-Matt


OleDawg2

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Aug 18, 2002, 8:16:21 PM8/18/02
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>
>> Tire technology. Those old square tread whitwalls that were stock when
>> your bike was new were quite different than todays tire. My tire man
>> says run the pressure listed on the tire, not the manual. If it gets to

I have a 73FX and I run the 24-26 listed in the manual but I agree that whats
on the tires is better than tirty year old info. I will change to that method
from here on out. Hope its not higher though cause the old bike rides rough
now.
Ole Dawg

matthew j henschel

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Aug 19, 2002, 2:18:24 AM8/19/02
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> I have a 73FX and I run the 24-26 listed in the manual but I agree that
whats
> on the tires is better than tirty year old info. I will change to that
method
> from here on out. Hope its not higher though cause the old bike rides
rough
> now.
> Ole Dawg


Yeah I heard that. My old ride fuckin -bounces- now. New steering
dampeners made it a bit easier on the arms, but it's still jolts me now and
again. Gravel roads do it something fiercely... the price we pay for
travellin in style

-Matt


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