[DeTomaso] I need some advice from you Fordies

[Will Kooiman]

It could be as simple as the guide plates being too far to one side.  I
spent a lot of time aligning my rockers.  I didn't have to cut/reweld them.

Before you tighten the rocker stud, you can slide the guide plate left and
right (and up/down).  If you slide it to the left, the rocker tips slide to
the right - and vice versa.  You keep fudging with it until they're in the
center for both intake and exhaust.

I don't know about the galling.  I'd guess it's due to oiling (lack
thereof).  One of the reasons I went with Crane Gold Race rockers is because
of comments I heard about how it handled oiling.  On one engine, I cut the
tops off of an old set of valve covers, and ran the engine.  If you try it
without valve covers, you'll shoot oil like a little oil well.

I also spent a lot of time making sure nothing was rubbing or binding.  Most
of my intake pushrods were rubbing the guide plate (in the wrong place -
they always rub on the edges).

If it were me, I'd remove the rocker and inspect it more closely.  If it's
discolored, it probably overheated.  I'd think a little blueing is okay, but
I'm not an expert.  If it has galling, I'd replace it for sure.  A new
rocker is cheaper than a new valve.

I'd also check the alignment of the rockers - especially #8.  The rollers
should be centered on the valve stem.
 
-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Larry Finch
Sent: Sunday, January 17, 2010 5:29 PM
To: detomaso at realbig.com
Subject: [DeTomaso] I need some advice from you Fordies

Is this the situation where sometimes the roller guides need to be  
cut, sectioned and welded?

I'm book learned, but have no first hand knowledge... ;-)

Larry
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