RHS 320 head questions

General engine tech -- Drag Racing to Circle Track

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RHS 320 head questions

Postby BBCFAN » Wed Aug 09, 2017 8:25 pm

What plugs tend to work best in these heads? (Iron heads)

Also when I was reading about various heads, I noticed some head porters recommend a specific timing range on various brands when using specific heads. Is there a specific or recommended timing range for these heads? Currently set at 36 degrees.

Current heads being used on a truck pulling engine. No port work done.

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