After changing everything externally related to #8 cylinder, it still sent "misfire code." Compression check revealed #8 to be about 30psi weaker than other cylinders. Removing the head, however, revealed an intake valve wore down significantly, sucked about .05" into the head. Compared to the best valve on the head, the flange of the abused was about .013" thick compared to about .047" thick and the outside diameter was only 1.396" compared to about 1.456". Seats still looked good enough to use, we are going to see if we can get by on just a valve job, we'll keep you updated. Questions or comments can be applied below. Thanks for watching, we hope this video helps someone out there.

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