XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Crankshaft Damper rebuild

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Old Mar 12, 2018 | 10:31 AM
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Default Crankshaft Damper rebuild

Damper Dudes in Anderson CA was one.
I can't find the name of the several other shops that rebuild these.
Would someone re-post them so we can quickly find a few?
Thanks!
 
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Old Mar 12, 2018 | 02:16 PM
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DamperDoctor
Did a great job for me.
 
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Old Mar 12, 2018 | 08:11 PM
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I've used Dale manufacturing in Oregon several times; great service. Don't be put off by the funky web site

new home page H.B.


Cheers
DD
 
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Old Mar 12, 2018 | 09:32 PM
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I did my own (marelli V12) several years ago using heat cured polyurathane and a suitable jig.
 
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Old May 22, 2018 | 03:35 PM
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Originally Posted by baxtor
I did my own (marelli V12) several years ago using heat cured polyurathane and a suitable jig.
Baxtor,

Can you expound on this? Material choice, jig design? I'm interested in this alternative.
 
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Old May 22, 2018 | 09:32 PM
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Wow that website! I dig the every 3rd month off as well
I’m definitely sending my damper to be rebuilt.
Thanks for the link!

Rusty
 
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Old May 23, 2018 | 03:45 AM
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Originally Posted by JigJag
Baxtor,

Can you expound on this? Material choice, jig design? I'm interested in this alternative.
The jig is simply a nylon disc turned so the outer diameter locates inside the outer section of the damper and a machined step locates the hub in order to keep things centred. Damper parts were cleaned up by a light sandblast then primed with urethane primer. preheated as per instructions and urethane mixed and poured into cavity. This was then cured at correct temperature.
Have had no problems with it for some 4 years since the rebuild.
(Please note the parts of the damper shown are NOT same way up.)
 
Attached Thumbnails Crankshaft Damper rebuild-dsc09274-large-.jpg   Crankshaft Damper rebuild-dsc09276-large-.jpg   Crankshaft Damper rebuild-dsc09280-large-.jpg   Crankshaft Damper rebuild-20180523_173401_resized.jpg  
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Old May 23, 2018 | 03:53 AM
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Originally Posted by baxtor
The jig is simply a nylon disc turned so the outer diameter locates inside the outer section of the damper and a machined step locates the hub in order to keep things centred. Damper parts were cleaned up by a light sandblast then primed with urethane primer. preheated as per instructions and urethane mixed and poured into cavity. This was then cured at correct temperature.
Have had no problems with it for some 4 years since the rebuild.
(Please note the parts of the damper shown are NOT same way up.)



Have you still got the left over Urethane and do you want to sell it? If not where did you get it from?
 
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Old May 23, 2018 | 04:35 AM
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Originally Posted by warrjon
Have you still got the left over Urethane and do you want to sell it? If not where did you get it from?
Might be past it's use by date Warren. Part B certainly is (solid mass) but l will get the details to you.
 
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