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[alfa] 164 V6 valve guides follow up
Well I've got the engine out and disassembled (major pain) and I've run into
something that I've never seen before. On the rear head I had an extremely
hard
time pulling the rocker arm shaft. I ended up using a combination of slide
hammer
and punches to get it out. The shaft seems bent just a little. There are
some
spots of fretting and galling on the shaft. I haven't cleaned the head yet
so I can't
tell if one of the bores is damaged but I doubt it because the damage is in
several
different spots on the shaft. Preliminary measurements on the head show very
little
warpage (less than .005") So I'm a little stumped here. The warpage of the
shaft
is very little. To the point that when rolled across a flat surface you can
just
make out spots of light under one end. The shaft does not show signs of oil
starvation. Anyone ever seen this before? I can see a few signs that the
valves
have been removed on this head before (a few nicks on the wall from a valve
spring
compressor). I guess it may have had a timing belt failure at some point but
I
don't see any witness marks on the pistons.
On another note after I removed the engine and pulled the head I discovered
that I
no longer own a valve spring compressor. I must have lost it in one of my
many
moves. A quick trip to sears got me a C clamp style compressor so I only
needed
the adapter that IAP sells. Well they were out of stock so I was screwed.
I came
up with something that worked great. A 3/4" PVC fitting with a couple of
holes
cut in the side worked great. I would recommend that a small piece of metal
be used between the valve spring and head walls in case something slips but
it worked for me in a pinch.
Dave McCrory
Maryville, TN
93' 164 (spread all over the garage)
87' Verde
87' Platinum
87' Gold
76' Spider
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