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914World.com _ 914World Garage _ What are the stock rocker arm ratios?

Posted by: nebreitling Mar 6 2005, 03:28 PM

just like it says...

i've heard 1.3:1 for both intake/exhaust, and i've heard 1.3 intake / 1.25 exhaust...

anyone know fo sho?

Posted by: nebreitling Mar 6 2005, 05:37 PM

anyone know off hand?

Posted by: Dave_Darling Mar 6 2005, 07:55 PM

It is "about" 1.3 for both. But tolerances on them are not the tightest, so the ratio can be closer to 1.25 than to 1.3... Though I don't recall offhand hearing of one that was significantly more than 1.3?

Anyway, it varies from rocker arm to rocker arm.

--DD