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Post by HGH 770N on May 16, 2012 4:48:51 GMT -5
Large crack across spark plug hole . How did it run ?? Attachments:
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Post by HGH 770N on May 16, 2012 4:52:43 GMT -5
Deep Score marks in side walls. " How did it ever run to get to this condition. ?? Attachments:
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Post by goandy on May 16, 2012 20:23:51 GMT -5
Sorry to hear of your bad luck, that is indeed one toasted motor. You'd be amazed how these rotaries still run with major damage inside- I've pulled apart quite a few Mazda rotaries that took a few cranks to start but ran ok and when I pulled them apart, there is massive chunks of chrome worn off the rotor housing, apex seals chipped etc.
This one of yours has some weird wear of the moly coating- haven't seen that before.
Cracking across the spark plug holes is very common in Mazda housings- they even have a service limit for the length of the cracks! I think yours might just be over the service limit!
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