[Syty] Valve-Cover Gaskets...?
Gary H
gary at thesantacruzhouse.com
Sun Jul 1 16:45:33 CDT 2007
Gary H wrote:
> Dave Goodhue wrote:
>>
>>
>> On 6/30/07, *DOlivares* <seravilo at netzero.net
>> <mailto:seravilo at netzero.net>> wrote:
>>
>> Funny, your message hit just as I was doing some last-minute
>> research on that very project! Without back-up transportation, I
>> have to make sure I can start early enough to get done before
>> sundown and assuming I can get a break from the regular rainfall
>> we've been getting.
>>
>> I thought I had all my parts and tools lined up for the job, but
>> now as I review the tech-manual I'm wondering about the GASKET
>> for the valve cover.
>>
>> Traditional American motors up through the mid-80s use cheesy
>> gaskets that cook onto the heads and usually come apart upon
>> removal after a number of years; however, I was delighted to find
>> the *embedded-type plastic gasket* on my '89 Trans Am heads. You
>> don't even have to be that careful removing the cover; the gasket
>> remains fixed and resilient in its channel. * Will the Syclone
>> valve covers be the same*, or do I need to order up a new set of
>> gaskets before I get those covers off? The Great Unknown!
>> *Anybody out there with the answer? *
>>
>> You can see my anxiety. If I hadn't been unpleasantly SURPRISED
>> so many times in the past by such little, petty crap that grinds
>> everything to a halt I wouldn't be such a conservative
>> fuddy-duddy today....
>>
>> I've also got some shortcuts in mind for this job... I hardly
>> ever do anything by the book anymore. Most of those procedures
>> are written for the paranoid. I'll try to keep up the record of
>> what I end up doing....
>>
>> D.O.
>>
>>
>> The gaskets are rubber, that are supose to stick into the grove.
>> However, the first time I did the valve cover without having the top
>> end of the motor they kept falling out. I tried a new set of gasket
>> without any luck (like a couple hours of cursing), I ended up redo
>> them becuase they were leaking. I ended up using 4 of those metal
>> binder clips to hold the valve cover gaskets in place until got the
>> valve covers in place. It worked great.
>>
>> I think I bought something like this.
>>
>> http://www.staples.com/webapp/wcs/stores/servlet/StaplesProductDisplay?langId=-1&storeId=10001&prodCatType=0&catalogId=10051&productId=143830&cmArea=SEARCH
>> <http://www.staples.com/webapp/wcs/stores/servlet/StaplesProductDisplay?langId=-1&storeId=10001&prodCatType=0&catalogId=10051&productId=143830&cmArea=SEARCH>
>>
>> To get the valve covers off they are pretty easy, driverside is
>> harder to do, the back nut on the MAP/EGR Solenoid, Coil, is a little
>> challenging if you don't want to pull the upper intake or distributor
>> off, but its do able. You need to remove one of the Alternator bolts
>> as well. Passenger side is basically the Upper IC.
>>
>> As for doing the valve stem seals, I did mine with the top end apart,
>> but I am pretty sure I could do them with the valve covers off. I
>> was able to adjust the valve with the engine running a short carboard
>> shield to keep splashing off the engine (make sure its warmed up
>> first). I was worried I didn't adjust them properly following the
>> comp cams article about finding zero lash, but I had.
>>
>> For the valve seals I would do it with an air compressor, spark plug
>> air fitting, and spring compressor. I tried the 'rope trick' to
>> hold up the valves. It was no trick it took way to much time. The
>> time it took me to do #1 cylinder with rope I did 2-6 with an air
>> compressor. For doing the seals themselves, myclone responded to me
>> with a perfect description on how to do them. #5 was a little tight
>> for the spring compressor with the brake booster in the way, I had
>> used a stamp steel spring compressor that my father bought in the 60's.
>>
>> http://www.syty.net/forums/showthread.php?t=11752
>>
>> I used the comp cams website for finding zero lash, I think I did my
>> valve with 1/2 turn of preload. I did them with the engine running
>> as well, it wasn't that hard either.
> Here's another good thread about valve seals. It appears that on some
> (maybe most?) sy/ty engines, valve seals don't come on the exhaust
> side. There are o-rings instead.
> You can replace the o-rings with hi-temp valve seals. Waiting for
> Sy2455 to reply with the part #.
> Gary
Whoops.. looks like I forgot to post the thread:
http://www.syty.net/forums/showthread.php?t=48852&highlight=valve+seal
I think someone already posted the part no. Thanks!
Gary
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