On 9 Sep 1997, Jim Gambony wrote:
> By some perversity of materials science, apparently the rockershaft
> (steel) wears faster than the rocker bushings (bronze).
Much faster.
> I've been
> assured by a friend in the know that if the wear in the valvetrain is
> not too extreme, fitting a new rockershaft (approx $30 for the Spitfire)
> should reduce most of the free play.
Be aware that you get a good quality part. As far as I've heard, some
(most?) aftermarket parts have a surface hardness around 16 Rockwell,
whereas the real thing should have 58 Rockwell. Needless to say, the soft
part does not last very long. To me it sounds like that if they can sell
this shaft for $30, it may very well be of the inferior kind.
Egil
having been there, done that.
As well as having installed an inferior track rod end that look OK, but only
lasted for a year.
Perhaps we should try to make a directory over parts that are just crap?
Big items as well as small. Like the 2000/Stag sun visor clips that Rimmer
Bros sells. Not only do they not look the part, but the rubber material
is so flimsy they are completely useless for their purpose too.
--
Email: egil@kvaleberg.no Voice: +47 22523641, 92022780 Fax: +47 22525899
Snail: Egil Kvaleberg, Husebybakken 14A, 0379 Oslo, Norway
URL: http://home.sn.no/home/egilk/ PGP: finger:egilk@sn.no
|