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.
In early spring 2014 I'll be looking for a beautiful 1963.5 Galaxie 500 XL 4 speed in pristine condition. This was the first car I ever drove and I'd like it to be the last car I ever drive.
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 ón what i mean.
53 Ford zephyr six, 63 Ford Galaxie 500 xl convertible
00 Peugeot 406,
Cadillac Bls 2008
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????
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.
The above posted information is in my opinion only. It may contain copy and paste material(s). Your opinion(s) and mileage may vary.