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valve seal installation
https://slantsix.org/forum/viewtopic.php?t=34194
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Author:  Bren67Cuda904 [ Mon Mar 09, 2009 7:10 pm ]
Post subject:  valve seal installation

http://tinyurl.com/aqk26z

Can this type of valve seal be installed with the valves held in there closed position with air pressure? Is there a special tool for this?

My guides are .500 with 11/32 stems.

Author:  ceej [ Mon Mar 09, 2009 7:44 pm ]
Post subject: 

Yep. The fittings are available at most auto parts places. The napa near me stocks them.

Why teflon?

Are you going with a positive seal due to oil use?

CJ

Author:  AnotherSix [ Mon Mar 09, 2009 7:47 pm ]
Post subject: 

Air pressure will hold the valves real well. Even with a 1.44" exhaust and 80 psi there will be well over 100 lbs pushing on the valve. exactly how much depends on the actual diameter at the seat.

You need a sleeve over the stem to protect the seal. You can make one with shrink tubing. The other tool is just bar stock with a hole in it to push the seal on.

Author:  Eric W [ Mon Mar 09, 2009 8:05 pm ]
Post subject: 

I thought the valve guides had to be machined so that a positive seal will lock on the guide? When I changed my valve stem seals, I used some (new) vacuum tubing stuffed into the cylinder, than rotated the crank toward tdc to lock the valves in place.

Author:  hantayo13 [ Mon Mar 09, 2009 8:42 pm ]
Post subject: 

i use a piece of nylon rope in plughole ,rotate by hand till it locks against vavles....if you use air and have leak...valve will drop...then off with head

Author:  Bren67Cuda904 [ Tue Mar 10, 2009 6:30 am ]
Post subject: 

http://www.slantsix.org/forum/viewtopic.php?t=29493

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