did I break anything?

   / did I break anything? #51  
removing the spring and spinning the valve will not do much if anything. That would be a version of 'lapping' the valves, but that would be done on a bench with the head off and valve grinding compound abrasive on the valve/head surface. That helps to grind the valve/head to make a tight seat fit. I can't see that simply spinning the valve would do anything.
 
   / did I break anything? #52  
If a valve job was done there shouldn't be any need to seat the valves at all.
And IF you have bent valves no amount of attempting at seating them will work. They will need to be replaced. IF they are bend.
Nope pulling the machine wouldn't have hurt them, If they are bent it would have happened the first time you forced it over by hand or spun it up on the starter.
Further, while I don't know how close the tolerances are for this engine my feeling is the valve adjustments would have to be so far out (tight) that it'd be self evident during reassembly that something was wrong.........even if they took as much as .010 off the head.
Would valves .010 too tight interfere? I don't think so but honestly I don't know, what are the tolerances (clearances) for this engine?

The receipt from the machine shop should tell you exactly what was done. ie. how much was taken off the head.
My next step would be a call to a shop that knows this engine. It's possible the head can not be machined (cut) at all.
 
   / did I break anything?
  • Thread Starter
#53  
I do not have the receipt anymore, that was back in September. I will call farm boys and ask them about machining the head.
 
   / did I break anything? #54  
most times when machining the heads the machine shop will stamp the amount taken off, if just hitting them on a stone to true them up then maybe not. Bent valves will need replace but that does not mean a valve lapping wont help them if they are NOT bent. The condition of the valve and seat can be tested with some lightweight oil on bench by pouring a bit of oil into intake or exhaust ports and looking for a leak thru into the cylinder. Something I learned my lesson on not long ago is to always check the heads prior to installing them. One of my heads had a damaged seat (corrosion) that I almost missed. I was ready to install a set of ported heads when I reinstalled & lapped the valves then cleaned them all up. a few weeks later (must have gotten water in the seat area) I hit them with some air and saw dust blow out one side. After close inspection some rust had formed under the sealing area and opened the valve some... I had to tear valves back out & re lap them then clean & oiled them to prevent this from happening again.

Mark
 
   / did I break anything?
  • Thread Starter
#55  
wow, I got shafted big time.
Pulled the head, and pulled the valve. Both of the seats have large gouges in them. There is no way that they are going to lap out. Probably not even grind out. the valves I placed in a hand drill, and spun them, and they look like they are not bent. So I am going to take it in tomorrow and have a different shop look at it. and see where I have to go from there. New valves are only $11. so If he can not grind everything, I will just have it all replaced depending on cost.
I trusted the machine shop. And there is no way they pulled and checked the valves and seats....
 
   / did I break anything? #56  
I think the seats may be replaceable. If not, a good machine shop can install replaceable stellite seats with no problems and give you a good three angle grind.
 
   / did I break anything? #57  
wow, I got shafted big time.
Pulled the head, and pulled the valve. Both of the seats have large gouges in them. There is no way that they are going to lap out. Probably not even grind out. the valves I placed in a hand drill, and spun them, and they look like they are not bent. So I am going to take it in tomorrow and have a different shop look at it. and see where I have to go from there. New valves are only $11. so If he can not grind everything, I will just have it all replaced depending on cost.
I trusted the machine shop. And there is no way they pulled and checked the valves and seats....

I would be back there telling them about it. Most places will honer a 1 year on the stuff they do. Heck some of the shops I've dealt with gave me lifetime on heads...

Mark
 
   / did I break anything?
  • Thread Starter
#58  
if they did this quality of work, do I want them to touch it again?? and I do not have the receipt.
The seats are replaceable, I will take it in somewhere else and maybe they can just grind them? or install new ones.
 
   / did I break anything? #59  
Sounds pretty ugly. I wouldn't go back to them.
Though after getting the head done right I'd probably make a trip to their counter and throw those valves down in front of the manager and tell him what a fine job they do.

For twenty two bucks I'd just order some new valves along with your new head gasket (saves on shipping cost).
 
   / did I break anything?
  • Thread Starter
#60  
got to have new seats, the current shop thinks they can get them with no issue. I will order the new head gasket tomorrow. I think this is #4 over this starting issue. Maybe I can get a 10 pack to go?
 

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