Perfect rod ratio
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Perfect rod ratio
466bronco January 20th 2011, 11:47 pm
What is the perfect rod ratio? What is the formula to find it?
466bronco- Posts : 23
Join date : 2010-12-09
Age : 57
Location : Mississippi
Re: Perfect rod ratio
rmcomprandy January 21st 2011, 1:22 am
There is no PERFECT rod ratio. ..! Anything from 1.45/1 to 2.25/1 is commonly used.
Whatever length connecting rod will connect the crank to the piston while still maintaining the other more important parameters you want, is the NEEDED ratio.
Rod Length divided by the Stroke is the "rod ratio"
Whatever length connecting rod will connect the crank to the piston while still maintaining the other more important parameters you want, is the NEEDED ratio.
Rod Length divided by the Stroke is the "rod ratio"
rmcomprandy- Posts : 6157
Join date : 2008-12-02
Location : Roseville, Michigan -
Re: Perfect rod ratio
Outlaw5.0 January 21st 2011, 4:05 pm
There is no perfect ratio. I prefer anything from 1.4 up to 1.8. NHRA prostocks are in the 1.67-1.75 area.
Outlaw5.0- Posts : 122
Join date : 2009-08-08
Location : Canton, MI
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