Quote:
Originally Posted by DanB
mid 03 to end of 03 cobra and mach 1 heads
This is the 4V head that has been painted with a blue strip to show this is what ford though would take care of the excessive noise from the valve train (little did ford know that the piston slap was the cause for this noise) way to go ford !!!
This head also possesses 4 sparkplug threads
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Are you saying that the "tick" is actually piston slap or is this valve train noise mention above something else? Seems to me that piston slap sounds nothing like the tick plus I can see the Cobra's experiencing a good amount of piston slap because of the forged pistons but the mach's have hypercraps which don't tend to slap. Just wondering