Re: [alfa] spider S 4 valve questions

[hagen_jason@xxxxxxxxxxx]

Check the timing chain tension.  That could well be the culprit.  It may be loose and tapping against the underside of the valve cover.  I'll bet you a cream soda that's the problem...

-Jason Hagen
'95 164Q
'73 Spider

> Hello Alfisti,
>     My 93 Spider recently developed a loud sharp metallic
> click click.  Stared rather suddenly  ( after a teenager
> likely drove the living H-ll out of it. ) It occurs only
> when starting from a standstill and initating forward
> motion.  It lasts 4-5 ticks, a few mph and quits. Seems to
> occur more often whne the engin is warm and the oil
> viscosity is lower. It runs well otherwise.  67K miles on
> engine.  Last valve adjustment at 51K ( previous owner let
> it go to 66 K without the 60 K adjustment ).  Now the
> questions!
> 
> 1. does this sound like it may be a broken or cracked valve
> spring?
> 
> 2. I am sending it to the shop next week for analysis and
> valve adjustment.  If the spring is cracked and the head has
> to come off, what opinions are out there regarding having
> oversized valves put in?
> 
>     advantages?,
>     disadvantages?
>     performance improvement worth it?
>     who has the best oversized valves out there?
> 
> 3. What about changing out the cam shafts for a different
> lift and angle for increased performance?
> 
> I want to thank everyone who has so generously replied to my
> queries in the past.  What a great group that always helps
> out!
> 
> Dr. Craig M. Bereznoff
> Longmont, Colorado
> 1993 Spider
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