Valve seals sitting at top of valve with triple springs - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 15 Old 05-11-2019, 12:33 AM Thread Starter
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Valve seals sitting at top of valve with triple springs

My engine is burning oil while hot. But, It has less than 2000km on it.

I pulled the valve covers. Noticed that 4-5 valve seals are sitting at the top of the valve.

I am running triple valve springs. Not sure if they're hitting the inner spring?

Are there thinner valve seals? Can anyone recommend a good set?

I can't afford to pull the heads for a machine shop and have my car immobile. Someone totaled my daily driver.

Will valve seals cause an engine to burn oil while hot? Or, Is it more so after it's been sitting?


Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #2 of 15 Old 05-11-2019, 01:34 AM
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The inner spring is pulling the valve seal off the guide. I assume you mean a dual spring with a flat wire damper?


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post #3 of 15 Old 05-11-2019, 03:26 AM Thread Starter
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I have no idea. The machine shop said they were triple springs. It's a solid roller cam.

How do I prevent this? Can I buy thinner valve seals?

How possible is it that the burning oil is coming through the valve guides while it's running?

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #4 of 15 Old 05-11-2019, 08:06 AM
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Originally Posted by mitchwolos View Post
I have no idea. The machine shop said they were triple springs. It's a solid roller cam.

How do I prevent this? Can I buy thinner valve seals?

How possible is it that the burning oil is coming through the valve guides while it's running?
What valve stem diameter?

What guide boss diameter?

There are plenty of seals that can clear.


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post #5 of 15 Old 05-12-2019, 01:18 AM Thread Starter
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Canfield heads. OEM guides for the head. Can't seem to find info online. Can't afford downtime to tear it apart and measure. It's my only car at the moment.

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #6 of 15 Old 05-12-2019, 05:04 AM
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Canfield heads. OEM guides for the head. Can't seem to find info online. Can't afford downtime to tear it apart and measure. It's my only car at the moment.
FTI Viton Valve Seals - 343 x 531 - FlowTech Induction
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Quote Mark O'Neal: "Virtually every customer I have has the same first interest. That is what is the lowest price he can pay. People like myself, Ed and very few others on this board have spent decades learning what we know.....and y'all want that knowledge for free....and you'll take the parts for free as well."


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post #7 of 15 Old 05-15-2019, 10:12 PM
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damn, when did valve stem seals get so expensive?
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post #8 of 15 Old 05-17-2019, 01:47 AM Thread Starter
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Thank you Ed!

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #9 of 15 Old 05-18-2019, 09:51 PM Thread Starter
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Can anyone recommend a spring compressor that will work on the car? I can't afford to be taking the heads off. Thanks.
I already ordered the air fitting to go in the spark plug hole.

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #10 of 15 Old 05-18-2019, 10:40 PM
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Are the heads stud mount? The LSM spring compressor was worth every penny I spent on it...I wish it was the first spring compressor I ever purchased.

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post #11 of 15 Old 05-18-2019, 11:09 PM Thread Starter
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Yep. Stud mount currently. Shafts soon. But, I guess I can always take the shafts off and re-use the studs if I need them later.

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #12 of 15 Old 05-21-2019, 08:22 AM
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I had good results with the Summit valve spring compressor.

https://www.summitracing.com/parts/SUM-906784

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post #13 of 15 Old 05-22-2019, 03:13 AM Thread Starter
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Quote:
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I had good results with the Summit valve spring compressor.

https://www.summitracing.com/parts/SUM-906784
It will work to service all 16 valves with the engine installed in the car?

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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post #14 of 15 Old 05-22-2019, 06:58 AM
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. Can't afford downtime to tear it apart and measure. It's my only car at the moment.
You do know that you can rent a car for $25 per day right? And if someone totaled your daily driver, then their insurance would cover putting you into a rental until there was a settlement of the case.

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post #15 of 15 Old 05-31-2019, 03:28 AM Thread Starter
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#1 no garage
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Thanks for your input.

Boss block 308, stage 3 canfields, spyder intake, 90mm tb, 96lb msds, sds inj, hanlon tko, tti race kit t-76 q-trim, 00r wheels+brakes, steeda 5-link. Aiming for 700rwhp.
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