Rob,
Rob Thomas? Just like the "Matchbox 20" Rob Thomas.
:o))
Famous by name. :o)
Dan
--- rob thomas <rob@thomasr.greatxscape.net> wrote:
>
> ----- Original Message -----
> From: Toby Atwater <tob.sprite.landcruiser@home.com>
> > 1) You know those exhaust rings that go between
> manifold and head
> >
> They simply locate the inlet manifold more
> accurately to ensure max airflow.
>
> > 3) I
> > used a few layers of Copper spray on it and
> everything. My father
> leisurely
> > told me how he was playing around with my stuff
> yesterday and noticed some
> > holes in the gasket didn't line up with the
> galleries on the head, and
> even
> > blocked some off. DOH! Shouldn't a 1275 gasket be
> a 1275 gasket? there
> > were\are no discrepancies year to year, is there?
> I must have been brain
> > dead not to check this stuff out.
> >
> I've never used any goop at all on my cars and never
> had a problem. Why use
> goop? Just curious.
> It isn't a 1098 gasket is it? Smaller chamber size
> that is a different
> shape. It will fit close enough that you will not
> notice the mis-match.
> You shouldn't have any gasket overlapping the
> chamber. The 1275 A+ heads
> have fewer water holes than the 1098 heads in my
> store so there are 3 spare
> holes in a 1098 gasket if you used it on my 1275
> with about 1-2mm overhang
> into the cylinder.
>
>
> > 4) The head was tested and ground at the machine
> shop for flatness and all
> > that. But I never checked the block. It could be
> warped I guess in the
> > middle and that's why #2 and #3 are wet while the
> others are fine.
> Something
> > else to check while the head is off.
> >
> Remove the studs and chamfer a little from the tops
> of the bolt holes with a
> 45 degree coutersinking tool in an electric drill.
> Just removing the
> topmost thread should ensure that if the stud has
> previously pulled up a
> ridge of material, it should no longer pose a
> problem. Clean up both
> surfaces and lay the head down on the block with
> just a couple of studs to
> locate it. Shine a torch through from the other
> side to show up any large
> discrepancy since you know your head was OK. Using
> a straight edge ruler
> isn't 'always' a guarantee as you aren't sure the
> straight edge is actually
> straight!>
> >
> >
> >
> Could be a crack between the water jacket and the
> roof of the centre exhaust
> port. For the cost, I would at least try another
> head, although they are
> possibly more expensive over on your side of the
> water. £5 over here.
>
> Good luck
>
> Rob Thomas
> Wales
> 1972 hybrid
> 1961/2 sprite2
>
=====
Dan Dwelley
77 Midget
Alexandria, Va.
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