[Vwdiesel] hillbilly TUNING. ---- ( the Valve train )
Area31 Research Facility
stephensrw at stn.net
Tue Apr 12 19:51:57 EDT 2005
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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