Valve seat cutting

1945 - 196*, Willys CJ series, questions, discussions, regarding anything related to the post war jeep.®
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Raduna
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Valve seat cutting

Post by Raduna » Sat Jan 16, 2021 4:43 am

Hello evyryone,

I´m new here and I have a question regarding the cutting valve seats. I have Jeep CJ6 with F134 Hurricane and now I´m solving problem with the correct way, how to cut the valve seats. I took the head to fabricators and they gave me back head with cutted seats to 45°. I then found that the valve seats must be cut in 3 dimensions 60° at the bottom, 45° in the middle and 30°at the top.
So what is the best way from the picture, number one or number 2.

Thank you very much and all the best from Prague - Europe.
valve seat.jpg


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YLG80
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Re: Valve seat cutting

Post by YLG80 » Sat Jan 16, 2021 6:45 am

Hi Praha!
This is Belgium :wink:
You can find how to perform your valves job in these superb posts:

viewtopic.php?t=224621

https://www.thecj2apage.com/forums/engi ... 12592.html

Not sure that I understand your question, but the goal is shown in your drawing #1
Yves
Ford GPW 1943 - Louisville - DoD 12-7-43
serial 164794

Raduna
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Re: Valve seat cutting

Post by Raduna » Sat Jan 16, 2021 8:09 am

Hi!

Thank you very much for the posts. This is exactly what I need!
Sorry for my english, it is not good as you cen see.

Btw, one more question. Do you know of any good online store with quality spare parts here in Europe? I bought some parts like seals from Crown and it is in terrible quality.

85jeepcj
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Re: Valve seat cutting

Post by 85jeepcj » Sat Jan 16, 2021 12:26 pm

With my valves as a reference my machine shop cut them for $5.00 each. Good value.

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YLG80
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Re: Valve seat cutting

Post by YLG80 » Sat Jan 16, 2021 12:36 pm

85jeepcj wrote:
Sat Jan 16, 2021 12:26 pm
With my valves as a reference my machine shop cut them for $5.00 each. Good value.
You mean, cutting your valves seats for 5.00$ each.
That's really cheap.
How can the recover their machine setup cost?
Yves
Ford GPW 1943 - Louisville - DoD 12-7-43
serial 164794

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YLG80
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Re: Valve seat cutting

Post by YLG80 » Sat Jan 16, 2021 10:29 pm

Raduna wrote:
Sat Jan 16, 2021 8:09 am

Btw, one more question. Do you know of any good online store with quality spare parts here in Europe? I bought some parts like seals from Crown and it is in terrible quality.
You have Jeep Sud Est with cool guys and good contacts. https://www.jeepsudest.com/
Also Jeepest, with professional guys restoring MV’s. https://jeepest.com/fr/
Also for good repro parts, Joe Motor’s Pool. https://www.joesmotorpool.com/

For canvas you have an excellent local supplier: https://www.nekvasil.cz/en/ :wink:

When you are looking for old parts, twice a year there is a giant Militaria fair in Ciney Belgium. The major jeep parts suppliers are present.
Regards.
Yves
Ford GPW 1943 - Louisville - DoD 12-7-43
serial 164794

Raduna
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Re: Valve seat cutting

Post by Raduna » Sun Jan 17, 2021 9:07 am

Thank you again... :-)

I will have a look on it.


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