Re: Was: Stretch bolts vs. studs... Valve springs

["Dave Ewing" <rabbit16v@prodigy.net>]

I thought that I bent a valve by hitting about 6500 for a little while and
thought I floated a valve but I actually sucked a head gasket!!  Between 1
and 2 the head gasket was missing in a 1/4 inch area.  I still installed the
HD springs and adjustable cam sprocket (gotta give some reward after all the
pain and suffering of wondering what happened to it!!) and can say that it
feels a little smoother at higher rpms and I can only contribute this to the
springs since the sprocket is still on 0.  Just wanted to let you all know!!
Now I am back on the streets keeping the Honda population in their place
here in Olympia, WA!!!

Dave

> >   I have to ask, what type of cam are you running?
>
> Full profile on my car available on scirocco.org, but they're Schrick
260's.
>
> >I would also guess the stock springs you're using are new?
>
> No.  Had the head rebuilder check them, all within spec.  All reused
> with no problems.  I've
> felt what might have been valve float at a sustained high speed in
> the neighborhood of
> 130+ mph and 6900+ (indicated) rpms.   The motor just seemed to go a
> bit soft at that
> speed, especially after maintaining it for minutes.  (This was the
> somewhat famous 407etr
> run in Canada a couple years back).  Car pulls strong to 7k+ with no
> evident 'softness'
> during acceleration runs...Motronic engine management sets the rev
> limiter at 7900 anyway,
> so it's no problem.
>
> >Just wondering so I don't shoot myself in
> >the foot and get a set of valve springs that end up hurting more than
helping
> >an engine with litle more than a cam and opened breathing.
>
> Probably won't matter much really, get new ones if you need them.
> Running more then
> the 260's, I probably would have put in HD springs.  266-268's are
> right on the cut-off
> line IMO.
>
> ==Brett
>
> >Carl
> >77rocco
> >89fox
> >
> >
> >
> >In a message dated 12/28/01 11:55:40 PM Eastern Standard Time,
> >brett@netacc.net writes:
> >
> ><<
> > Oh, and I'm also using stock valve springs. :)  And I did just read
> > tonight an old
> > VW&P rag where it was mentioned that high tension springs promote valve
train
> > wear and actually cost a horsepower or two.  No kidding. :)
> >
> > ==Brett >>
>
>  \/  '84 Scirocco (ITB racer 2B) | "Hot VW's, take two home. They're
small"
> \/\/ '88 Scirocco 16v (Show), '92 Passat 16v (Winter+) | -
brett@netacc.net
>
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