CorvAircraft> cam timing on corvair?

[John Brannen]

Michael,

A while back I purchased a reverse rotation OT-10.  I
think I got it from Jeff Ballard at SC Performance,
but can't remember exactly.  I'm not sure if SC Perf
is still around, but maybe someone out there knows if
SC Perf is still around.

I also have Dyno 2000 which is a computer simulation
program for engines and would be happy to run a few
comparisons for you.  If you want ot take me up on
this, E-mail me off list and I'll see what I can do.

John B.

--- Michael Amick <mkamick at bellsouth.net> wrote:

> I am sure about two dozen of you motorheads will
> know this like the back 
> of your hand(s).
> 
> I need a book, formula, program or website to plug
> in cam profile 
> numbers & optimize timing for the torque band you 
> want?
> 
> I am choosing to go reverse rotation and the
> venerable OT-10 is not 
> available in reverse grind.  ( OT-20 and up only )
> 
> PLEASE DO NOT TELL ME HOW TO MAKE A CAM OR CONVERT
> AN EXISTING GRIND!  
> (I already know - you just turn it around!)
> 
> I want to start by working with what is available
> off the shelf with NO 
> MACHINING. 
> 
> Mark Langford's site shows how he dialed in his cam
> & measured the 
> timing exactly to get his power at the right rpm. 
> 
> What I want to know is what effect either advancing
> or retarding a cam 
> by X degrees with ABC profile will have on placement
> of the final torque 
> curve. 
> 
> Modifying cam timing with Ray Sedman's adjustable
> cam gear.
> 
> Michael Amick
> Nashville
> 
>
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