I want to touch up the valve seats but don't want to pay the Neway price for a one time only job and don't want to split traactor to take block to machine shop. Looking online i see so many choices (most from India). Anyone that can recommend a brand they've had luck with?
valve seat cutter question
- Thread starter papscub
- Start date
ricky racer
501 Club
Talk to a local automotive machine shop. You've got the head off. If you pull the valves out, haul the tractor down and have them grind the valves right there. No need to split the tractor. It would be cheaper than buying a decent cutter...
Yes! A small engine place may be able to do them for you as well. It's like a drill with a grinder on the end (way more complicated than that though) to grind valve seats. I did mine with a friends valve grinder. Go to page 25 here viewtopic.php?f=1&t=92172&hilit=valves&start=360papscub":1n3d8i5m said:
Can new seats be done on the tractor? I just plan to putter around the farm on this, won’t be worked. The valves were absolutely unreal with the carbon and sludge they had on them and it ran good enough drive in a parade. Dummy here let it get hydrolocked and here we are. I’m debating putting it all back together after I lap the new valves in best I can and see how it runs. That’s why I was looking for a cheap valve seat cutter to try and get just a small amount cleaned up.
outdoors4evr
501 Club
That carbon and sludge provided a seal - which is no longer there.
ricky racer
501 Club
I still say it's worth calling a local shop to see what they will charge you. If you do a youtube search you'll see the cheap valve cutters can make things even worse. The good ones cost more than having the shop do it. If the seats need replaced, they can do that too in the tractor. It's worth a call or a drive to the shop.
It's been a few years since I had valves ground, 2007 to be exact. Back then it cost me $11.50 for the four exhaust seats and $30.00 to have the block machined and seats installed. They refaced the valves for another $20.
It's been a few years since I had valves ground, 2007 to be exact. Back then it cost me $11.50 for the four exhaust seats and $30.00 to have the block machined and seats installed. They refaced the valves for another $20.
I have the new way and have been very happy with it
I do not like cheep tools and did not look at the Ebay. When I have purchased cheep tools from India or China (large taps or dies )I have had mixed resullts.
The one thing that almost every cub out there need is a valve job. A good tool makes a difference in speed and accuracy. There is a post in my name on "valve keeps" the documented the valve job I did on a 1949. I got great results
I do not like cheep tools and did not look at the Ebay. When I have purchased cheep tools from India or China (large taps or dies )I have had mixed resullts.
The one thing that almost every cub out there need is a valve job. A good tool makes a difference in speed and accuracy. There is a post in my name on "valve keeps" the documented the valve job I did on a 1949. I got great results
Hi,
If you grind valve seats that are pitted too much, the valve will be too low in the seat before the seat is smooth again.
The valve seats, which are part of the block, may need replacing with new seats, if they are pitted too much.
The shop has to cut the block, and install seats in the places they cut to the right size in the block.
Below is a page from the Cub service manual, showing how valves should fit in the seats.
http://www.farmallcub.info/manuals/gss- ... 001-24.jpg
If you grind valve seats that are pitted too much, the valve will be too low in the seat before the seat is smooth again.
The valve seats, which are part of the block, may need replacing with new seats, if they are pitted too much.
The shop has to cut the block, and install seats in the places they cut to the right size in the block.
Below is a page from the Cub service manual, showing how valves should fit in the seats.
http://www.farmallcub.info/manuals/gss- ... 001-24.jpg