I was originally going to use an existing head
but was having a hard time since
most heads are to be found with cracks. I was told by a few knowledgeable
guys, that 7 out of 10 heads are cracked. After checking 2 that had cracks
I decided to go with an NOS head, and since I had a NOS rocker valve assembly
this would be perfect, making most of the engine NOS.
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