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home grown valve job ideas???

T

Tony in Mass.

Well-known Member
After 8 months on a machine shop floor, my standard diesel head came home, a bit dustier and rustier than when it left. I feel blessed he didn't lose any of the stem keepers. The seats and faces are- not so much pitted, but have a hard build up. I thought harbor freight would have diy valve stuff, but I guess not. I knew people with their own valve tools years ago... but they are all gone now.... btw, concidering this sorry developement, it might as well be assembly lube in the rings, since this will take a while.
 
Well,you can take it to an other engine rebuilder that has a faster time table,or you can lap them yourself with valve compound and see how well they will clean up and look how the fit is.
As long as you get a continues well sealing narrow band at just under the top of the valve you should be fine.
 

Tony,

I did one a number of years ago ,before
Federal mogul destroyed the whole aftermarket.
I needed some ex valves AE parts from england
had them in england,ae distributor would get
them thru clevite although ae owned clevite
at the time ,so my connection in clevite said
he would get them and send the paper work thru
AE ,it worked.

If your seats are worn or ground down into
the head replace the seats in order to
maintain compression for starting. If you need
help , give a holler.

george
 
We use Neway cutters. They have manual seat and valve cutters. They are professional grade so the are kind of pricey. You can just order individual cutters and pilots if you measure the guide first. If the valves are badly pitted where they seat, which mine were on my Allis, you'll have to make a decision on whether to keep the valves due to margin thickness or replace the valves. Hope this helps. Gerard
 
Tony do you have a auto parts store that has been in business for 30 or 40 years in your area. If so go to them and talk to the most senior man in the store. Tell him or her what you need and they should be able to fix you up with anything you need. Might take the head with you.
 
Mr Bison, I doubt any other shop would do the job soon enough to suit me, I need it done yesterday. The valves themselves are pretty good George, just a build up, I think the scotch brite things on the die grinder might do a good job of it. Gerald, I searched and got 'CHS'? Machining tools, yeah pricey for the valve stuff, but the crank polisher would pay for itself in 3 jobs. I am going to go thru their whole inventory, but not for valves huh? Tom, the oldest guy around is in NAPA, and they don't machine anymore, so they sent me to this guy- twice. Like I was told years ago, we are working on farm equipment, not a space shuttle, so I am looking to a Harbor freight sort of thing to equip the shop, we had threads like this before, professionals just aren't professional anymore...thanks guys! keep 'em coming, I'll keep you updated
 
(quoted from post at 07:27:28 06/01/11) Mr Bison, I doubt any other shop would do the job soon enough to suit me, I need it done yesterday. The valves themselves are pretty good George, just a build up, I think the scotch brite things on the die grinder might do a good job of it. Gerald, I searched and got 'CHS'? Machining tools, yeah pricey for the valve stuff, but the crank polisher would pay for itself in 3 jobs. I am going to go thru their whole inventory, but not for valves huh? Tom, the oldest guy around is in NAPA, and they don't machine anymore, so they sent me to this guy- twice. Like I was told years ago, we are working on farm equipment, not a space shuttle, so I am looking to a Harbor freight sort of thing to equip the shop, we had threads like this before, professionals just aren't professional anymore...thanks guys! keep 'em coming, I'll keep you updated
Click to expand...

I've got 2 Black and Decker valve grinding machines. Both of them do an excellent job, but one does need a little work to make it perfect. I would sell the one that is less than perfect, but with me in Iowa, and you in Mass., the shipping would be astronomical. I'm guessing the weight at maybe 200#.
 
This might be a good time for you to come out east for a vacation, spit off the top of the Empire state building, go to the ocean and eat a lobster, stuff like that... just leave enough room in the back to pack the grinder.... yours must be like one someone offered me years ago, it was part of a bench and cabinet- bigger than a breadbox yeah.... thanks anyway!
 
if the valve guides aren't worn out and valves and seats arn't worn or pitted to bad you can lap them and they will work fine, the way i do them is clean them up with wire brush on the bench grinder,the head with a wire brush on a drill, be sure to keep each valve in it's same position,quick way to lap them is to chuck the valve to be lapped in a 3/8 drill about 1/4 inch above the guide so you can move it in an out while it spins, apply lapping to valve contact surface run drill about half speed while moving the valve in and out with light contact pressure until you clean up the contact surfaces they won't shine like the been ground but the surfaces are lapped to match each other, be sure to lube valve stems before you attach the drill.
 
Thanks GBS, this sounds like a plan. The valves were already off and in a box, so this will be a slow process. I have a small lathe, I was thinking of putting the valve stem in the chuck, and using that screw in sctoch brite on the air tool thing while it is spinning. I was going to try a similar idea on the seats by putting a pad in the bridgeport chuck. Then lap them the old fashioned way, but your ideas sound really good. I'll let you know how it goes. thanks again
 
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