Anchor Motor Mounts $18 each
01-12-2007, 01:39 PM
#241
Rennlist Member
Originally Posted by danglerb
My point was that motor shocks might be more suited to a MM that allowed more movement instead of the solid.
01-12-2007, 11:30 PM
#242
Nordschleife Master
Now that you point it out I see it, but just paid no attention to the holes in the middle the first look, just the leak arrow.
Were the shocks on the old style MM or the new?
Were the shocks on the old style MM or the new?
01-13-2007, 09:49 AM
#243
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Dave,
In that post I said there were three cavities - actually there are only two - my bad.
The top cavity is open to atmosphere via a hole.
So the larger middle cavity which is divided by the perforated metal membrane is what contains the fluid. The amount of fluid removed from the new mount was not enough to fill the cavity completely.
The fluid moving between the two sides of the cavity through the membrane must have some attenuation properties.
The theory was good - in practice not so good because of the premature failure.
Checked two cars this week and the mounts were toast - an 86.5 with 60k and an 87.
Roger
In that post I said there were three cavities - actually there are only two - my bad.
The top cavity is open to atmosphere via a hole.
So the larger middle cavity which is divided by the perforated metal membrane is what contains the fluid. The amount of fluid removed from the new mount was not enough to fill the cavity completely.
The fluid moving between the two sides of the cavity through the membrane must have some attenuation properties.
The theory was good - in practice not so good because of the premature failure.
Checked two cars this week and the mounts were toast - an 86.5 with 60k and an 87.
Roger
__________________
Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission?
George Layton March 2014
928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission?
George Layton March 2014928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
01-13-2007, 03:15 PM
#244
Rennlist Member
Originally Posted by ROG100
Dave,
In that post I said there were three cavities - actually there are only two - my bad.
The top cavity is open to atmosphere via a hole.
So the larger middle cavity which is divided by the perforated metal membrane is what contains the fluid. The amount of fluid removed from the new mount was not enough to fill the cavity completely.
The fluid moving between the two sides of the cavity through the membrane must have some attenuation properties.
The theory was good - in practice not so good because of the premature failure.
Checked two cars this week and the mounts were toast - an 86.5 with 60k and an 87.
Roger
In that post I said there were three cavities - actually there are only two - my bad.
The top cavity is open to atmosphere via a hole.
So the larger middle cavity which is divided by the perforated metal membrane is what contains the fluid. The amount of fluid removed from the new mount was not enough to fill the cavity completely.
The fluid moving between the two sides of the cavity through the membrane must have some attenuation properties.
The theory was good - in practice not so good because of the premature failure.
Checked two cars this week and the mounts were toast - an 86.5 with 60k and an 87.
Roger
01-13-2007, 05:30 PM
#246
Nordschleife Master
Originally Posted by ROG100
Checked two cars this week and the mounts were toast - an 86.5 with 60k and an 87.
Roger
Roger
My question on the motor shock is which type of MM, the newer round style, 83+ I think, or the older style were they used with. Hard to believe that Porsche removed without good reason.
01-08-2010, 01:10 AM
#247
Three Wheelin'
Very good thread, some interesting research. Is there any picture of a Porsche MM cut open to compare the inside structure/design to the Ford hydraulic one Roger posted.
01-08-2010, 10:44 AM
#249
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The Porsche MM is totally dependant on the small amount of rubber and the water to make it work.
Once the water leaks out the MM is no good at all.
Even the Ford hydraulic would be better than the Porsche one.
I wish I could afford to cut open a new Porsche MM to compare.
Once the water leaks out the MM is no good at all.
Even the Ford hydraulic would be better than the Porsche one.
I wish I could afford to cut open a new Porsche MM to compare.
01-08-2010, 10:54 AM
#250
Captain Obvious
Super User
Super User
The Porsche MM is totally dependant on the small amount of rubber and the water to make it work.
Once the water leaks out the MM is no good at all.
Even the Ford hydraulic would be better than the Porsche one.
I wish I could afford to cut open a new Porsche MM to compare.
Once the water leaks out the MM is no good at all.
Even the Ford hydraulic would be better than the Porsche one.
I wish I could afford to cut open a new Porsche MM to compare.
