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Ford Racing X302 piston seizure

Old 06-01-2017, 10:47 AM
  #11  
rmodel65
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just have that one cylinder sleeved....
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Old 06-02-2017, 06:16 AM
  #12  
fastbackford351
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Just curious; how long had the engine been running before the seizure?
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Old 06-04-2017, 08:34 PM
  #13  
67mustang302
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What oil are you running? Also, what's the oiling set up in terms of pan, windage tray etc? That engine has oiling issues. That's a **** ton of bearing wear for so little mileage.
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Old 06-19-2017, 06:09 PM
  #14  
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Originally Posted by 67mustang302
What oil are you running? Also, what's the oiling set up in terms of pan, windage tray etc? That engine has oiling issues. That's a **** ton of bearing wear for so little mileage.
Sorry, have not seen your reply. The oil I am running is a standard SAE 15W-40 I had left. Even if this is not the best oil for this engine it should do its job and should not cause that kind of damage.
The oil pan I used is the following one:
http://www.mustangsunlimited.com/Mus...02-Mustang.axd
In combination with this oil pump pickup:
http://www.mustangsunlimited.com/Mus...02-Mustang.axd
No dedicated windage tray was in place as Ford has none installed by default - It was a key turn ready engine by Ford and I only had to replace the oil pan to have a front sump.

By the way I am still having issues to find a proper replacement for the damaged pistons as Mahle is not able to provide me a part number (I contacted Mahle Germany) that I am able to get ones from Summit or any other retailer. Any help is appreciated. Part number found on the piston is SBF600040FPF.

Regards
Andreas
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Old 06-20-2017, 01:53 PM
  #15  
Derf00
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15W40? Yikes. A bit thick for a built motor and absolutely terrible in colder climates unless you have an old engine.

Something like 75% of engine wear occurs at startup when all of the oil is in the pan. 15w40 will take longer to circulate because of a higher viscosity. At room temp, not too big of a deal but, at lower temperatures, that extra 1/2 second or full second makes all the difference in the world.

Here's a vid to give you a better idea. This is at 13F/25C but, even at near freezing temps or just above, there is a significant difference in flow.


Last edited by Derf00; 06-20-2017 at 01:55 PM.
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Old 06-21-2017, 08:09 AM
  #16  
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Originally Posted by Derf00
15W40? Yikes. A bit thick for a built motor and absolutely terrible in colder climates unless you have an old engine.

Something like 75% of engine wear occurs at startup when all of the oil is in the pan. 15w40 will take longer to circulate because of a higher viscosity. At room temp, not too big of a deal but, at lower temperatures, that extra 1/2 second or full second makes all the difference in the world.

Here's a vid to give you a better idea. This is at 13F/25C but, even at near freezing temps or just above, there is a significant difference in flow.

https://www.youtube.com/watch?v=fV75UbsZ4ec
Indeed in colder climates not good for an engine. But I drive my car only during summer times and my garage has even in winter times at least 15° Celsius. So I doubt that it was due to cold oil.
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Old 06-22-2017, 01:40 PM
  #17  
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For those who are interested, I finally got a contact at Mahle who was able to confirm the part number.

SBF600040FPF matches SBF600040F06

Regards
Andreas
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