[T3] original cam mesh inspection

Jim Adney jadney at vwtype3.org
Sun Feb 27 20:35:28 PST 2011


On 26 Feb 2011 at 23:26, Bobsnotch at aol.com wrote:

>  
> In a message dated 2/26/2011 10:38:01 P.M. Eastern Standard Time,  
> rdavid at rochester.rr.com writes:
> 
> My cams  gear is a -2, and I wish I had a -3 cam here to see the difference,
> but I'm  thinking a -3 cam might even be a better scenario than what  I'm
> seeing.
> My other thought is that even if I was lucky enough to find  a NOS "zero"
> geared cam; it would be too tight to run.
> 
> Are my  thoughts about this test correct?

> I think you've got this backwards Dave. The -3 gear would be even larger  
> than the -2 gear that you have. 

I'm under the opposite impression. I thought the -3 referred to the 
diviation from the nominal pitch diameter in hundredths of a mm. That 
would make the + gears larger than nominal and the - gears smaller 
than nominal.

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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