John,
I've always done it by the Shop manual, 2 at a time. The chalk is a good
idea.
The biggest problem I find with valvetrain noise in TR6/ 250 cars is the
wear on the rocker arms. You will get a groove worn into the arm that
will frustrate your attempts to adjust the lash. What happens is that
the feeler will ride over the unworn portion, but the valve stem will
need several thou' more to "take up the slack". So, your valvetrain
makes noise. The arms are too soft and this happens as early as 50,000
miles on the motor. The rocker shafts wear early as well. Push back the
arms against the springs and look for any galling or evidence of a
groove. If you have wear, replace the shaft.
Jim
----- Original Message -----
From: "Sally or Dick Taylor" <tr6taylor@webtv.net>
To: "John Uloth" <juloth@tir.com>
Cc: "6-pack" <6pack@autox.team.net>
Sent: Wednesday, July 18, 2001 2:55 PM
Subject: Re: Question about adjusting valve clearance
> John---I think you can do it the way you wrote. Keep in mind that only
> one cylinder at a time will have both valves closed, you should have
to
> make six stops, 120 degrees apart. There are ways to make less stops
but
> require keeping track of the ones you checked/adjusted. I use a stick
of
> white chalk on the adjusters to mark the ones I visited.
>
> Dick T.
> '73
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