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Old 08-31-2019, 07:19 PM   #9
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 12,294
Default Re: High compression head question

It's difficult to realize that high a compression ratio on any of the flathead designs let alone the Model T types. The OHV head was the most common way back in the day.

If you shave the head, there still has to be valve clearance. If you have higher valve lift with a race cam, it just makes things worse. The amount of compression possible is finite.
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