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Old 08-25-2013, 12:25 PM   #16 (permalink)
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Re: Fe 390 camshaft

Normal.
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Old 08-25-2013, 12:56 PM   #17 (permalink)
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Question Re: Fe 390 camshaft

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Originally Posted by timlilje View Post
Normal.
All valves closing as soon as the engine shuts off doesn't sound right to me. I don't think I have ever heard of that, as a matter of fact. If that was the case, the engine would have to build a hell of a lot of oil pressure when cranking it, in order to pump them back up and start, which means it would have to crank and crank just to get the valves moving again before it would start. I'd like to see a video of that. If I saw a video of the engine running, valve covers off and the valves operating properly and as soon as it was shut off all the valves closed, that would be a first for me at least. I believe hydraulic lifters have check valves built into them to prevent bleed back. I've heard of them bleeding off slowly over night if there is one going bad or with some crud in it(causes the tapping when the engine first starts), but not all and not all at once when the engine shuts down.
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Old 08-25-2013, 01:26 PM   #18 (permalink)
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Re: Fe 390 camshaft

Here is a small video i made. Engine is hot.
We just crank it on this video but its the same when it was running all closes as motor stops.

Ford fe 390 bleeding lifters - YouTube
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Old 08-25-2013, 02:04 PM   #19 (permalink)
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Re: Fe 390 camshaft

That still does not look abnormal to me. There will be some bleed down with hyd lifters. You should have shown us a movie of it running and we could help out more!!!
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Old 08-25-2013, 06:22 PM   #20 (permalink)
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Re: Fe 390 camshaft

That looks normal to me.
I have had issues in past , where some lifters would not bleed off.
And it would hold a few valves slightly open.....

Are those blue thunder rockers. ??
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Old 08-26-2013, 12:41 PM   #21 (permalink)
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Re: Fe 390 camshaft

Hi again here is a small vidoe of engine running


No the rockers are Competition Cams

I even checked the clearence of the rocker. Loosend the bolt and unscrewed about 1-1/2-2 turns before it started to tick.

This i rememberd now when i checked this there is a washer about 2mm thick under every stand i dont now if it suppose to be there but when i rebuild it i just put it togehter as it was with new parts.
Here is a pic n what i mean.
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Fe 390 camshaft-2013-08-26-16.29.15.jpg  
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Old 08-26-2013, 01:20 PM   #22 (permalink)
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Re: Fe 390 camshaft

sounds like rhodes lifters. allows you to run a big cam, but get smooth idle
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Old 08-26-2013, 05:07 PM   #23 (permalink)
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Re: Fe 390 camshaft

I see what you are saying. It actually looked like all the valves were closed when the engine was turned off.
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Old 08-26-2013, 05:13 PM   #24 (permalink)
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Re: Fe 390 camshaft

I know that the pushrods come in different lengths. Anybody here remember the thread?? Guy had a similar situation. Perhaps longer pushrod needed here? That would explain being down on power, it would change rocker geometry no????
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Old 08-26-2013, 07:32 PM   #25 (permalink)
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Re: Fe 390 camshaft

hmmmm...
still looks normal to me....and sound fine too...
shim you referring to, is part of the oil deflector shield...
and you should leave it there......

you said it runs uneven and fells power less.... new distributor and still same....

have you tried doing any carburetor adjustments????
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Old 08-27-2013, 01:33 AM   #26 (permalink)
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Re: Fe 390 camshaft

I have a set of new Elgin hydraulic lifters perhaps just replace the ones in car and make a new break in ?
And the washer doesent look likes it belong there?

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Old 08-27-2013, 02:39 AM   #27 (permalink)
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Re: Fe 390 camshaft

I will do a leak down test to find out what it could be.
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Old 08-27-2013, 06:30 AM   #28 (permalink)
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Question Re: Fe 390 camshaft

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Originally Posted by agggilli View Post

All valves closing as soon as the engine shuts off doesn't sound right to me. I don't think I have ever heard of that, as a matter of fact.

If that was the case, the engine would have to build a hell of a lot of oil pressure when cranking it, in order to pump them back up and start, which means it would have to crank and crank just to get the valves moving again before it would start.
Actually, each lifter retains oil but will bleed down over a period of time (wear, design and manufacturer also affects this) (some have spring pressure on them, others less). That is why the reservoir is put in the lifter body, to retain oil in that reservoir to give a boost when the oil supply is introduced into the lifter gallies (almost instantaneous).

I wonder if it is a bad set of lifters. He needs to perform a leak-down test.
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Old 08-27-2013, 06:34 AM   #29 (permalink)
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Question Re: Fe 390 camshaft

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Originally Posted by danv View Post

I see what you are saying. It actually looked like all the valves were closed when the engine was turned off.
Yeah...

How did you arrive @ valve-train geometry and push-rod length?
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Old 08-27-2013, 06:43 AM   #30 (permalink)
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Re: Fe 390 camshaft

l ain't sure what you mean.
I just used same as those old ones I replaced.

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