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Plymouth Rock- ers

To: land-speed@autox.team.net
Subject: Plymouth Rock- ers
From: Elon Ormsby <ormsby1@llnl.gov>
Date: Fri, 13 Dec 2002 10:33:56 -0800
Scott asked . . . the mechanical cam going into my 440 plymouth has an 
advertised lift of .557 inches with rockers that have a 1:5 ratio. How much 
would 1:6 ratio rockers affect this. . .

Scottt,  your ratio is actually 1.5:1 or 1.6:1 (not 1:5 as you indicated). 
The difference between the two is  (1.6 - 1.5 = 0.1)  or 10%.  0.557 X 110% 
= .613 lift for the 1.6:1 ratio.
-Elon

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