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SVO: Re: Ford Motorsport Roller Cam
I think this is the difference between lobe lift and valve lift. When you
compare cam comparisons, make sure you compare lobe lift vs. lobe lift, or
valve lift vs. valve lift. If you do compare lobe lift vs. valve lift you
will need to factor in the rocker arm ratio.
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.
From: firstname.lastname@example.org <email@example.com>
To: Multiple recipients of list svo <svo@SMARTWORX.COM>
Date: Friday, December 05, 1997 3:10 PM
Subject: SVO: Ford Motorsport Roller Cam
All this talk about roller cam prices made me think back to last summer
when I ordered the Ford Motorsport cam for my 85 SVO.
When I received it I looked at the spec sheet that came with it and the
lobe lift was not the lift that was advertised in the Motorsport
it was substantially less.(I don't remember what the difference was
exactly but I think it was around .020" less.) When I measured with a
micrometer it was the same as the spec sheet.
When I called Ford Motorsport, I was told there was a problem with the
cams from 4 of the 7 people that I talked to, the other 3 didn't know
anything about it and I had to talk to their supervisor.
My point to all this roller cam business is buyer beware, because you
not get what you think you are for your money.