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Nick in Fayetteville · 06-26-2021, 06:36 PM

What is the compression ratio on the Model A "B" head. This is the police head. Some say 5.0 to 1, others tell me that it is 5.5 to 1. What's your thoughts. Thank you.

06-26-2021, 06:36 PM	#1
Nick in Fayetteville Senior Member Join Date: May 2010 Location: Fayetteville, NC Posts: 341	Compression What is the compression ratio on the Model A "B" head. This is the police head. Some say 5.0 to 1, others tell me that it is 5.5 to 1. What's your thoughts. Thank you.