Strike 2 for me! My 2000 has a header, so what do I know... (evidently not
enough!)
Gary
"Laury, Victor" wrote:
> Gary,
> The stock U20 exhaust manifold is the same sheet metal construction. I know.
> I have a cracked one, once on my car, now in my parts bin.
>
> -----Original Message-----
> From: svgkm@halley.ca.essd.northgrum.com
> [mailto:svgkm@halley.ca.essd.northgrum.com]
> Sent: Tuesday, August 01, 2000 3:02 PM
> To: Laury, Victor
> Cc: 'Hoon Kim'; 'datsun-roadsters@autox.team.net'
> Subject: Re: cracked exhausted manifold
>
> Ooops! My reply was predicated upon the belief that the 1600 had a cast iron
> exhaust
> manifold like the stock setup on the 2000. Honest mistake, as I have never
> seen the
> underhood view of the 'junior' motor live and in person.
>
> Gary McCormick
> San José, CA
>
> ----------------------------------------------------------------------------
> --------------
>
> "Laury, Victor" wrote:
>
> > Hoon,
> >
> > I hope your not getting frustrated, If so, hang in there. Your getting the
> > same problems all of us have had or will have. The manifold is pressed
> sheet
> > and that's pretty rare. most are cast iron, but Datsun wanted something
> > lighter. These work good, for a while. About 60,000 +/- seem to be their
> > service life. Some have welded these with some success. but the nature of
> > the sheet material does not lend itself to welding and the thermal range
> it
> > sees usually ends up cracking at the weld.
> >
> > I suggest putting up with it until it's time to do something on that side
> to
> > warrant removing the manifold (maybe a starter change?) Then replacing it
> > with a good set of headers (nice thermal coated ones like our vendors are
> > selling. Otherwise, I sure that there is lots of 1600 manifolds floating
> > about of these 9 out of 10 will already be cracked.
> >
> > Victor
> > 70 SRL 31113136
> > Los Angeles
> > http://albums.photopoint.com/j/AlbumList?u=123073
> > SoCalROC http://www.ameri-eagle.com/datsun/
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