valve springs - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 13 (permalink) Old 09-13-2010, 01:05 AM Thread Starter
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valve springs

How exactly are you guys doing them? I am about to do the comp 910's when I swap injectors. I understand you use the glow plug hole to put pressure in the cyl. What size is the glow plug hole so I can find my correct air fittings? And should the injector be in or out? how much pressure should you apply. 100-120 psi?

Thanks!
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post #2 of 13 (permalink) Old 09-13-2010, 01:15 AM
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Re: valve springs

You can get the pistons top dead center and use them to hold the valves up. Thats how I did them.

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post #3 of 13 (permalink) Old 09-13-2010, 01:15 AM
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Re: valve springs



Injector can be in. Otherwise air would leak out. I used the glow plug hole and mad a adaptor to run air in. I came up with the perfect tool to do this. Go to local harware store and buy a greae gun hose. The one end has same threads as a glow plug. Then go to pipe and fitting section and convert it up to a air chuck fitting. Worked awesome.

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post #4 of 13 (permalink) Old 09-13-2010, 01:32 AM
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Re: valve springs

MAr4ty had a greaty video he made that went over step by step doing the valves and a number of toehr things. I checked the link and its now broken or passworded.


Marty,

Anyway you could do an updated links to those videos as they sure are helpful for people doing this stuff for the first time. Or is there an updated post or thread with them?

This thread Maintain's Install Info..lots of good stuff here!! - Powerstroke Nation
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post #5 of 13 (permalink) Old 09-13-2010, 01:40 AM Thread Starter
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Re: valve springs

I KNOW, I tried watching Marty's vid and noticed it was broken about 2 weeks ago, I've been meaning to get in touch with him anyways
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post #6 of 13 (permalink) Old 09-13-2010, 01:43 AM Thread Starter
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Re: valve springs

Quote:
Originally Posted by NE-STROKE View Post
Injector can be in. Otherwise air would leak out. I used the glow plug hole and mad a adaptor to run air in. I came up with the perfect tool to do this. Go to local harware store and buy a greae gun hose. The one end has same threads as a glow plug. Then go to pipe and fitting section and convert it up to a air chuck fitting. Worked awesome.
Sounds good man... 100 or psi, right?
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post #7 of 13 (permalink) Old 09-13-2010, 01:53 AM
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Re: valve springs

I think I had mine set at 90. I still put motor on top dead center to be safe. Make sure you have a small magnet on hand to

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post #8 of 13 (permalink) Old 09-13-2010, 02:12 AM Thread Starter
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Re: valve springs

oh yeah, not taking any chances there
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post #9 of 13 (permalink) Old 09-13-2010, 02:20 AM
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Re: valve springs

I just put them at TDC and didn't use any air. Just make sure and rotate the motor for every cylinder and take your time.
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post #10 of 13 (permalink) Old 09-13-2010, 03:47 AM
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Re: valve springs

how do you check to make sure there is 125lbs of seat pressure?

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