[Vwdiesel] hillbilly TUNING. ---- ( the Valve train )
McCanless, James
james.mccanless at lmco.com
Tue Apr 12 11:36:35 EDT 2005
With my mind at Warp Factor 1 I started wondering if the gas cam gear
would swap with the diesel?
http://www.neuspeed.com/products/product_details.asp?app=35|J1&type=11&l
type=ns_euro&p_id=49
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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