Posted by Dave Horvath [172.69.50.25] on Wednesday, February 26, 2020 at 20:24:37 :
In Reply to: What about much later heads? posted by Anxious Dave [172.69.71.71] on Wednesday, February 26, 2020 at 06:56:51 :
This is a later head. Note the asymmetrical valve lobes and the longer shallower spark path.
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