New Engine/Low HP

Guest

Dan,
I have checked the gap of the plugs, they are .045+, and a little oily where they seat in the block. I wonder if they could possibly be getting oil fouled at high rpm? I might try another tach to see if it responds the same way as my stock one. The dyno sheet shows HP dropping off dramatically at about 5650, I'll try to attach a copy of the sheet.
Thank you,
Art

3/22/065:22 PM

Original Post

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