X head

[JBC]

I got a x head today the casting number is 2531894-3. From what I could find these heads were made from 68-70. Does anyone know what the -3 stands for

 

[1968FormulaS340]

It's just a casting revision or mold number. Nothing that matters.

 

[JBC]

Thanks for the info

 

[JBC]

This head has a small hairline crack by the plug hole in cc can it be fixed

 

[hcharles]

Yes it can be fixed. You need to find a welding shop to fix the crack. There might be some additional work done afterwards to ensure the head is true. It might need to be milled .010. I had it done to my heads, it is doable.

 

[JBC]

How much would a job like that run

 

[moper]

It's not usually expensive to have the crack fixed. but it gets expensive to have all the machining re-done after the welding. The head needs to be heated red hot to weld it. So you need to to a complete valve job on it after.