[Vwdiesel] hillbilly TUNING. ---- ( the Valve train )

[Area31 Research Facility]

Better to have one of those than to be slightly off your rocker! ;)

----- Original Message ----- 
From: "McCanless, James" <james.mccanless at lmco.com>
To: <vwdiesel at vwfans.com>
Sent: Tuesday, April 12, 2005 11:22 AM
Subject: RE: [Vwdiesel] hillbilly TUNING. ---- ( the Valve train )


> Wouldn't it be nice to have something like this
> http://www.aempower.com/product_cam.asp for such instances. Has anyone
> ever made an adjustable cam gear?
> 
> Troy
> 
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com]
> On Behalf Of slatersfb at aol.com
> Sent: Tuesday, April 12, 2005 10:45 AM
> To: vwdiesel at vwfans.com
> Subject: [Vwdiesel] hillbilly TUNING. ---- ( the Valve train )
> 
> Actually quite noticable change in location of power band can be
> obtained by advance or retard of cam. Advance cam for more low end
> torque; retard cam for more torque at high RPM. Closing of intake valve
> is the influencing factor. One tooth on cam sprocket is too much & may
> cause piston-valve contact. After locking sprocket onto cam taper, turn
> engine by hand to insure no interference between valve & piston. I do
> all highway driving so 1/2 tooth retard gives better power at high
> speed. Be real careful, double check for interference before starting
> engine.
>  
> Bob
>  
>  
> ***********
>  
>   Not that there may not be some merrit in miniscule advance 
> > > or retarding
> > > of the valve timing but how much, which direction, is it worth the 
> > > risk of bending valves... are all valid questions.  I've leaned 
> > > toward the last one.
> > > ;-)
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> 
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