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Old 04-09-2005, 13:02   #1 (permalink)
Dave Combs
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5.0 uses oil--Rings or valve stem seals-how to tell

My '90 5.0 uses a qt about every 600 miles. Milage is slightly over
100,000. Will admit over the years I've downshifted a lot to slow down.

Obviously it could be the rings but could it also be worn walve stem seals?
Is there an easy way to tell which one it might be like if the compression
tests ok then are we looking as worn valve stem seals?

Thanks

Dave


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Old 04-09-2005, 13:02   #2 (permalink)
hurricane 575 @ihotmail.com
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Re: 5.0 uses oil--Rings or valve stem seals-how to tell

On Sat, 09 Apr 2005 18:52:40 GMT, "Dave Combs" <jdcombs@socal.rr.com>
wrote:

>My '90 5.0 uses a qt about every 600 miles. Milage is slightly over
>100,000. Will admit over the years I've downshifted a lot to slow down.
>
>Obviously it could be the rings but could it also be worn walve stem seals?
>Is there an easy way to tell which one it might be like if the compression
>tests ok then are we looking as worn valve stem seals?
>
>Thanks
>
>Dave
>

its really ez dave
do a comp test
then do one and add oil

or use a leak down test
with a proper tester


then again you are a retard
and a ford with 100000 is not woth fixing
considering you were luckey to get that
****tard


hurc ast
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Old 04-09-2005, 15:01   #3 (permalink)
Kruse
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Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell


Dave Combs wrote:
> My '90 5.0 uses a qt about every 600 miles. Milage is slightly over
> 100,000. Will admit over the years I've downshifted a lot to slow

down.
>
> Obviously it could be the rings but could it also be worn walve stem

seals?
> Is there an easy way to tell which one it might be like if the

compression
> tests ok then are we looking as worn valve stem seals?
> Thanks
> Dave


Well, there are a couple of ways to tell. If you start the engine up
and it puffs out smoke, it's the valve seals because you are burning
the oil that has leaked past the seals when the engine was off. If you
slow down by downshifting and when you accelerate again, and it smokes,
it's valve seals. Why? Because when you deaccelerate by downshifting,
your throttle plates are closed and you have a lot of manifold vacuum.
That vaccum sucks in the oil past the valve seals. Then when you
accelerate, the increased air/fuel charge sucks it into the combustion
chamber and it is burned.
Unless the maintenance was completely ignored, I'd guess that it is
valve seals. They will deteriorate with age while a piston ring will
not.

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Old 04-09-2005, 16:01   #4 (permalink)
Dave Combs
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Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

Kruse--Thanks for your input. I've always maintained the car well with oil
changes at the prescribed intervals. This may explain why the hydrocarbons
on my biannual smog test keep going up. Frankly if it needed to be rebuilt
I was considering a high horsepower crate engine from Ford Racing.That would
keep it going another 15 years.

Thanks again.

Dave

"Kruse" <kruse@kansas.net> wrote in message
news:1113078125.161593.179860@o13g2000cwo.googlegroups.com...
>
> Dave Combs wrote:
> > My '90 5.0 uses a qt about every 600 miles. Milage is slightly over
> > 100,000. Will admit over the years I've downshifted a lot to slow

> down.
> >
> > Obviously it could be the rings but could it also be worn walve stem

> seals?
> > Is there an easy way to tell which one it might be like if the

> compression
> > tests ok then are we looking as worn valve stem seals?
> > Thanks
> > Dave

>
> Well, there are a couple of ways to tell. If you start the engine up
> and it puffs out smoke, it's the valve seals because you are burning
> the oil that has leaked past the seals when the engine was off. If you
> slow down by downshifting and when you accelerate again, and it smokes,
> it's valve seals. Why? Because when you deaccelerate by downshifting,
> your throttle plates are closed and you have a lot of manifold vacuum.
> That vaccum sucks in the oil past the valve seals. Then when you
> accelerate, the increased air/fuel charge sucks it into the combustion
> chamber and it is burned.
> Unless the maintenance was completely ignored, I'd guess that it is
> valve seals. They will deteriorate with age while a piston ring will
> not.
>



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Old 04-09-2005, 18:01   #5 (permalink)
Jim Warman
Guest
 
Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

Even as an experiment, changing the valve stem seals can proove fruitful....
This can be accomplished without removing the heads and rates about a 4 on a
1 - 5 scale of difficulty.

If the oil ring are worn, one would expect the compression rings to be in
the same shape. A cylinder leak test is not a be all/end all test without
other tests being done (aside from the fact that a cylinder leak test can
only suggest the condition of the compression rings). The puff of smoke on
start up is usually a good indicator of stem seal concerns.. the only sure
way of confirming this is to visually check. It is more than likely that
there are many more trouble free miles to be had from your car with a simple
repair.


"Dave Combs" <jdcombs@socal.rr.com> wrote in message
news:dtY5e.2164$DV.1538@twister.socal.rr.com...
> Kruse--Thanks for your input. I've always maintained the car well with

oil
> changes at the prescribed intervals. This may explain why the

hydrocarbons
> on my biannual smog test keep going up. Frankly if it needed to be

rebuilt
> I was considering a high horsepower crate engine from Ford Racing.That

would
> keep it going another 15 years.
>
> Thanks again.
>
> Dave
>
> "Kruse" <kruse@kansas.net> wrote in message
> news:1113078125.161593.179860@o13g2000cwo.googlegroups.com...
> >
> > Dave Combs wrote:
> > > My '90 5.0 uses a qt about every 600 miles. Milage is slightly over
> > > 100,000. Will admit over the years I've downshifted a lot to slow

> > down.
> > >
> > > Obviously it could be the rings but could it also be worn walve stem

> > seals?
> > > Is there an easy way to tell which one it might be like if the

> > compression
> > > tests ok then are we looking as worn valve stem seals?
> > > Thanks
> > > Dave

> >
> > Well, there are a couple of ways to tell. If you start the engine up
> > and it puffs out smoke, it's the valve seals because you are burning
> > the oil that has leaked past the seals when the engine was off. If you
> > slow down by downshifting and when you accelerate again, and it smokes,
> > it's valve seals. Why? Because when you deaccelerate by downshifting,
> > your throttle plates are closed and you have a lot of manifold vacuum.
> > That vaccum sucks in the oil past the valve seals. Then when you
> > accelerate, the increased air/fuel charge sucks it into the combustion
> > chamber and it is burned.
> > Unless the maintenance was completely ignored, I'd guess that it is
> > valve seals. They will deteriorate with age while a piston ring will
> > not.
> >

>
>



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Old 04-09-2005, 18:01   #6 (permalink)
hurricane 575 @ihotmail.com
Guest
 
Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

On Sat, 09 Apr 2005 22:14:33 GMT, "Dave Combs" <jdcombs@socal.rr.com>
wrote:

>Kruse--Thanks for your input. I've always maintained the car well with oil
>changes at the prescribed intervals. This may explain why the hydrocarbons
>on my biannual smog test keep going up. Frankly if it needed to be rebuilt
>I was considering a high horsepower crate engine from Ford Racing.That would
>keep it going another 15 years.
>
>Thanks again.
>
>Dave
>

what a tard
fact that the seals failed indicated WORN VALVES and VALVE guides
replacing seals is a PATCH

hurc ast
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Old 04-09-2005, 20:01   #7 (permalink)
Dave Combs
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Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

Jim--Thank you.

Dave

"Jim Warman" <mechanic@tenalpsulet.net> wrote in message
news:k1_5e.14657$yV3.6228@clgrps12...
> Even as an experiment, changing the valve stem seals can proove

fruitful....
> This can be accomplished without removing the heads and rates about a 4 on

a
> 1 - 5 scale of difficulty.
>
> If the oil ring are worn, one would expect the compression rings to be in
> the same shape. A cylinder leak test is not a be all/end all test without
> other tests being done (aside from the fact that a cylinder leak test can
> only suggest the condition of the compression rings). The puff of smoke on
> start up is usually a good indicator of stem seal concerns.. the only sure
> way of confirming this is to visually check. It is more than likely that
> there are many more trouble free miles to be had from your car with a

simple
> repair.
>
>
> "Dave Combs" <jdcombs@socal.rr.com> wrote in message
> news:dtY5e.2164$DV.1538@twister.socal.rr.com...
> > Kruse--Thanks for your input. I've always maintained the car well with

> oil
> > changes at the prescribed intervals. This may explain why the

> hydrocarbons
> > on my biannual smog test keep going up. Frankly if it needed to be

> rebuilt
> > I was considering a high horsepower crate engine from Ford Racing.That

> would
> > keep it going another 15 years.
> >
> > Thanks again.
> >
> > Dave
> >
> > "Kruse" <kruse@kansas.net> wrote in message
> > news:1113078125.161593.179860@o13g2000cwo.googlegroups.com...
> > >
> > > Dave Combs wrote:
> > > > My '90 5.0 uses a qt about every 600 miles. Milage is slightly over
> > > > 100,000. Will admit over the years I've downshifted a lot to slow
> > > down.
> > > >
> > > > Obviously it could be the rings but could it also be worn walve stem
> > > seals?
> > > > Is there an easy way to tell which one it might be like if the
> > > compression
> > > > tests ok then are we looking as worn valve stem seals?
> > > > Thanks
> > > > Dave
> > >
> > > Well, there are a couple of ways to tell. If you start the engine up
> > > and it puffs out smoke, it's the valve seals because you are burning
> > > the oil that has leaked past the seals when the engine was off. If you
> > > slow down by downshifting and when you accelerate again, and it

smokes,
> > > it's valve seals. Why? Because when you deaccelerate by downshifting,
> > > your throttle plates are closed and you have a lot of manifold vacuum.
> > > That vaccum sucks in the oil past the valve seals. Then when you
> > > accelerate, the increased air/fuel charge sucks it into the combustion
> > > chamber and it is burned.
> > > Unless the maintenance was completely ignored, I'd guess that it is
> > > valve seals. They will deteriorate with age while a piston ring will
> > > not.
> > >

> >
> >

>
>



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Old 04-09-2005, 20:01   #8 (permalink)
Jim Warman
Guest
 
Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

Thanks, Dave... glad you can see not all Canucks are turds.

"Dave Combs" <jdcombs@socal.rr.com> wrote in message
news:3r%5e.3052$DV.2170@twister.socal.rr.com...
> Jim--Thank you.
>
> Dave
>
> "Jim Warman" <mechanic@tenalpsulet.net> wrote in message
> news:k1_5e.14657$yV3.6228@clgrps12...
> > Even as an experiment, changing the valve stem seals can proove

> fruitful....
> > This can be accomplished without removing the heads and rates about a 4

on
> a
> > 1 - 5 scale of difficulty.
> >
> > If the oil ring are worn, one would expect the compression rings to be

in
> > the same shape. A cylinder leak test is not a be all/end all test

without
> > other tests being done (aside from the fact that a cylinder leak test

can
> > only suggest the condition of the compression rings). The puff of smoke

on
> > start up is usually a good indicator of stem seal concerns.. the only

sure
> > way of confirming this is to visually check. It is more than likely that
> > there are many more trouble free miles to be had from your car with a

> simple
> > repair.
> >
> >
> > "Dave Combs" <jdcombs@socal.rr.com> wrote in message
> > news:dtY5e.2164$DV.1538@twister.socal.rr.com...
> > > Kruse--Thanks for your input. I've always maintained the car well

with
> > oil
> > > changes at the prescribed intervals. This may explain why the

> > hydrocarbons
> > > on my biannual smog test keep going up. Frankly if it needed to be

> > rebuilt
> > > I was considering a high horsepower crate engine from Ford Racing.That

> > would
> > > keep it going another 15 years.
> > >
> > > Thanks again.
> > >
> > > Dave
> > >
> > > "Kruse" <kruse@kansas.net> wrote in message
> > > news:1113078125.161593.179860@o13g2000cwo.googlegroups.com...
> > > >
> > > > Dave Combs wrote:
> > > > > My '90 5.0 uses a qt about every 600 miles. Milage is slightly

over
> > > > > 100,000. Will admit over the years I've downshifted a lot to slow
> > > > down.
> > > > >
> > > > > Obviously it could be the rings but could it also be worn walve

stem
> > > > seals?
> > > > > Is there an easy way to tell which one it might be like if the
> > > > compression
> > > > > tests ok then are we looking as worn valve stem seals?
> > > > > Thanks
> > > > > Dave
> > > >
> > > > Well, there are a couple of ways to tell. If you start the engine up
> > > > and it puffs out smoke, it's the valve seals because you are burning
> > > > the oil that has leaked past the seals when the engine was off. If

you
> > > > slow down by downshifting and when you accelerate again, and it

> smokes,
> > > > it's valve seals. Why? Because when you deaccelerate by

downshifting,
> > > > your throttle plates are closed and you have a lot of manifold

vacuum.
> > > > That vaccum sucks in the oil past the valve seals. Then when you
> > > > accelerate, the increased air/fuel charge sucks it into the

combustion
> > > > chamber and it is burned.
> > > > Unless the maintenance was completely ignored, I'd guess that it is
> > > > valve seals. They will deteriorate with age while a piston ring will
> > > > not.
> > > >
> > >
> > >

> >
> >

>
>



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Old 04-09-2005, 20:01   #9 (permalink)
hurricane 575 @ihotmail.com
Guest
 
Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

On Sun, 10 Apr 2005 01:51:33 GMT, "Jim Warman"
<mechanic@tenalpsulet.net> wrote:

>Thanks, Dave... glad you can see not all Canucks are turds.
>



just warman


the only real way to tell is to put engine under hi vacumme situation
if i were you i would go down a long hill and use only gears to break
closed throttle running at hi rpm thus putting max vacume as possable
on valves and seals occasionally punching it to make it smoke

have some one follow and observe
but hey what do i know
i am just a real ford mastertech

i have seen guys replace valve seals based on jims advice
and they have found no change after repair
if ya dont believe me
go rite know start up a new car
try a ranger its ez to see on them
lmfao

hurc ast












>"Dave Combs" <jdcombs@socal.rr.com> wrote in message
>news:3r%5e.3052$DV.2170@twister.socal.rr.com...
>> Jim--Thank you.
>>
>> Dave
>>
>> "Jim Warman" <mechanic@tenalpsulet.net> wrote in message
>> news:k1_5e.14657$yV3.6228@clgrps12...
>> > Even as an experiment, changing the valve stem seals can proove

>> fruitful....
>> > This can be accomplished without removing the heads and rates about a 4

>on
>> a
>> > 1 - 5 scale of difficulty.
>> >
>> > If the oil ring are worn, one would expect the compression rings to be

>in
>> > the same shape. A cylinder leak test is not a be all/end all test

>without
>> > other tests being done (aside from the fact that a cylinder leak test

>can
>> > only suggest the condition of the compression rings). The puff of smoke

>on
>> > start up is usually a good indicator of stem seal concerns.. the only

>sure
>> > way of confirming this is to visually check. It is more than likely that
>> > there are many more trouble free miles to be had from your car with a

>> simple
>> > repair.
>> >
>> >
>> > "Dave Combs" <jdcombs@socal.rr.com> wrote in message
>> > news:dtY5e.2164$DV.1538@twister.socal.rr.com...
>> > > Kruse--Thanks for your input. I've always maintained the car well

>with
>> > oil
>> > > changes at the prescribed intervals. This may explain why the
>> > hydrocarbons
>> > > on my biannual smog test keep going up. Frankly if it needed to be
>> > rebuilt
>> > > I was considering a high horsepower crate engine from Ford Racing.That
>> > would
>> > > keep it going another 15 years.
>> > >
>> > > Thanks again.
>> > >
>> > > Dave
>> > >
>> > > "Kruse" <kruse@kansas.net> wrote in message
>> > > news:1113078125.161593.179860@o13g2000cwo.googlegroups.com...
>> > > >
>> > > > Dave Combs wrote:
>> > > > > My '90 5.0 uses a qt about every 600 miles. Milage is slightly

>over
>> > > > > 100,000. Will admit over the years I've downshifted a lot to slow
>> > > > down.
>> > > > >
>> > > > > Obviously it could be the rings but could it also be worn walve

>stem
>> > > > seals?
>> > > > > Is there an easy way to tell which one it might be like if the
>> > > > compression
>> > > > > tests ok then are we looking as worn valve stem seals?
>> > > > > Thanks
>> > > > > Dave
>> > > >
>> > > > Well, there are a couple of ways to tell. If you start the engine up
>> > > > and it puffs out smoke, it's the valve seals because you are burning
>> > > > the oil that has leaked past the seals when the engine was off. If

>you
>> > > > slow down by downshifting and when you accelerate again, and it

>> smokes,
>> > > > it's valve seals. Why? Because when you deaccelerate by

>downshifting,
>> > > > your throttle plates are closed and you have a lot of manifold

>vacuum.
>> > > > That vaccum sucks in the oil past the valve seals. Then when you
>> > > > accelerate, the increased air/fuel charge sucks it into the

>combustion
>> > > > chamber and it is burned.
>> > > > Unless the maintenance was completely ignored, I'd guess that it is
>> > > > valve seals. They will deteriorate with age while a piston ring will
>> > > > not.
>> > > >
>> > >
>> > >
>> >
>> >

>>
>>

>


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Old 04-09-2005, 21:02   #10 (permalink)
WindsorFox[SS]
Guest
 
Posts: n/a
Re: 5.0 uses oil--Rings or valve stem seals-how to tell

Jim Warman wrote:
> Even as an experiment, changing the valve stem seals can proove fruitful....
> This can be accomplished without removing the heads and rates about a 4 on a
> 1 - 5 scale of difficulty.
>
> If the oil ring are worn, one would expect the compression rings to be in
> the same shape. A cylinder leak test is not a be all/end all test without
> other tests being done (aside from the fact that a cylinder leak test can
> only suggest the condition of the compression rings). The puff of smoke on
> start up is usually a good indicator of stem seal concerns.. the only sure
> way of confirming this is to visually check. It is more than likely that
> there are many more trouble free miles to be had from your car with a simple
> repair.
>


It seems the moron troll doesn't know the difference between oil
smoke and unburnt fuel smoke. It's obvious with all the post this guy is
a hack that is jealous of good mechanics. He is the number one reason
NOT to take your car to a dealer.

--
....And point out that he (Scott Richter) is a jerk.
You can quote me.
- Quaestor
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