What's the "X" mean ?

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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Just curious. I was looking under the hood, making carb adjustments and noticed that the 250 block and intake has a large letter "X" cast on them. Anyone know what this is for ? The other thing that is odd is that the Maverick is a 77 but the block has a casting # starting in D8DE. ??
 
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