[Vwdiesel] Swapping a good head-DIY head prep
Will Taygan
william at taygan.com
Tue Nov 10 09:57:00 PST 2009
How should stem length be set? Is there a measurement I can take with
my current rebuild, or is it a bit of eyballing (valve with outline on
piston gets ground kinda thing)?
Does using a thinner shim helps "shorten" the stem, or does it just
change the time the valve is open?
Thanks,
Will in Alaska.
On Tue, 2009-11-10 at 11:57 -0500, LBaird119 at aol.com wrote:
> In a message dated 11/10/2009 4:53:09 AM Pacific Standard Time,
> tgott at hotmail.com writes:
>
> > I would think that just as long as the valve heads aren't sticking past
> > the head the only way to need a thicker than 3 notch gasket would be if you
> > surfaced the block which you aren't suppose to do.
> >
>
> Although the pickup's engine specs out to LESS than a one notch
> head gasket by a full gasket's difference. I could square up that
> block a couple times and still use a regular range head gasket.
>
> The catch is the head gasket is for CR not valve clearance. Someone
> I talked to passed on a great deal on a brand new head because
> the valves sat above the head surface. I've personally put together
> an engine where surfacing brought the head surface flush with the
> valves. Set the stem length correctly and it's not a problem. In fact
> that was the second best running 1.5 I'd seen.
> Loren
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