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Original Message
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67mustang motor |
By carlos - 03/24/2003 2:18:29 AM; IP 32.103.153.71 |
I recently built a ford 390 motor and installed chrome moly piston rings. The motor has about 650 miles on it. The problem is that three of the cylinders haven't completed seated. I asked around and some say that these types of rings require 1000 miles or more to finish breaking in, some say they should have broken in after the first 30 minutes. I just want an answere, do i need to tear down the motor and install new rings or continue to wait. Help is appreciated. |
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