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| installing hardened seats https://www.slantsix.org/forum/viewtopic.php?t=51801 |
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| Author: | oldnslo [ Mon Apr 22, 2013 3:29 pm ] |
| Post subject: | installing hardened seats |
what thickness should the hardened valve seats be? I bought Engine Builder 1.7 + 1.44 valves. He suggests 1.5 OD x 3/32 thick seats. The guy installing them thinks that seems thin. He usually uses 1/4 thick, but this is his first slant 6. I don't want to run into water jackets. How much metal is there to work with? What have other people used for seat sizes? |
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| Author: | robertob [ Sun May 05, 2013 8:54 pm ] |
| Post subject: | |
Use the thin ones. There is not much meat there. That's what my machinist used. Keep them small diameter too, I can't remember the dimension but it's a little smaller diameter than the exhaust valve is. I think 1 9/16 OD. |
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| Author: | Doc [ Mon May 06, 2013 8:53 am ] |
| Post subject: | |
Harden seats for exhaust valves only. Use the thin 1 7/16 OD if your machinest has a valve "milling" machine to accuratly locate and install the seats. DD |
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