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SVO: Re: Re: Ford Motorsport Roller Cam



> I'm not sure exactly how you factor in the rocker arm ratio.  I was
thinking
> it would be:  Lobe lift x ratio = valve lift.  So, I tried it this way:
> .400 x 1.5 (I think) = .600 .  I know ain't no way that's right.  Of
course
> it the ratio is 1.05 than it comes out lookin right: .400 x 1.05 = .420.
> 
> Could someone help me get this straight.

The rocker ratio on this motor is constantly changing.  This motor's OHC
geometry is very strange.

Just measure the lobe lift.  WAY easier.  

Dave
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