Valve seats for fe
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Tuned
Joined: Sep 2018
Posts: 364
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From: Eagar, az
Valve seats for fe
Quick question that I really can't find an answer for.
Rebuilding an fe motor out of my 73 f100, and want to do some head work before assembly. Heads are
c8ae-h. Do i need to have the valve seats machined to accept hardened seats, or are they already inserts that I can pop out/replace? Already blew budget on rebuild, so if machining is needed I can forget about that, and move on. Thanks!
Rebuilding an fe motor out of my 73 f100, and want to do some head work before assembly. Heads are
c8ae-h. Do i need to have the valve seats machined to accept hardened seats, or are they already inserts that I can pop out/replace? Already blew budget on rebuild, so if machining is needed I can forget about that, and move on. Thanks!
Lead Driver
Joined: Oct 2018
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Hard seats have to have the heads machined for them not something you can do yourself. if you want to do it right get them done, if this is just a budget build and you're not looking for durability you can skip them and just drive. for quite a while , but they will get you eventually.
there's a 90% chance your guides are shot and they'll need replaces as well. this is a must unless you like blue smoke.
Heads are expensive to work on and it's important they be done right. save money somewhere else or regret it.
there's a 90% chance your guides are shot and they'll need replaces as well. this is a must unless you like blue smoke.
Heads are expensive to work on and it's important they be done right. save money somewhere else or regret it.
Thread Starter
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Tuned
Joined: Sep 2018
Posts: 364
Likes: 22
From: Eagar, az
Dang it. Well mabey i will get lucky when i strip the heads apart, and it will already have seats installed.. I noticed that all the valve seals were pulled up at the top of the springs. Only 2 of them were where they should be, and I have had a set sitting on the shelf for a few years. At the very least I am gonna tear em down and inspect today. Truck never lost a drop of oil, never smoked, and never once had to add any in the 10 years I owned it. thanks for confirming
Logistics Pro
Joined: Jun 2004
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From: South Central Utah
Lead Driver
Joined: Oct 2018
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If those have hard seats, new valves and guides it's a fair price. $800 - $900 on a set of FE heads is typical.
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FTE Legend
Joined: Sep 2003
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From: NY and VA
Those "umbrella" valve seals don't really like to stay on the head. If that's the type of seal you have.
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Thread Starter
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Tuned
Joined: Sep 2018
Posts: 364
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From: Eagar, az
Got lucky. Hardened seats were already installed at last rebuild the machine shop did in the 90s. They looked almost new, and shiney. Just cleaned up valves, and a quick lap with new seals. Deck surfaces were even still perfectly flat. Thanks!
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