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
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"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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