advantages of 1.6 rockers ? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-12-2008, 06:27 PM
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advantages of 1.6 rockers ?

In the process of building a engine , will the use of 1.6 or 1.7 rockers allow for a smaller cam and result in more clearance between the rods and the cam Than say a 1.5 ratio ? and if so is it a significant amount ? All I have bought so far is the parts to assemble the short block . I have established the cam specs but have not bought one yet so its not to late to change it .
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Old 03-12-2008, 06:41 PM
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.320 lobe lift 1.5 rocker .480 gross lift
1.6 rocker .512
1.7 rocker .544

PRETTY BIG DEFFERENCE HUH??
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Old 03-12-2008, 08:15 PM
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1.6 and 1.7 arms are mostly for a "quickly" tune job.

You can take a stock cam, swap the rockers and POW its like a higher lift cam.

IMO this puts more strain on the cam, because it amplifies the spring pressure.

also IMO let the cam do the work!
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