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09-14-2014, 09:54 PM | #21 | |
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Re: Sympathy pains for Old Henry
Quote:
None seemed to have excessive movement.
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09-14-2014, 11:01 PM | #22 | |
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Re: Sympathy pains for Old Henry
I was trying to rationalize in my mind how No. 1 cylinder wound up with 0.022" clearance between piston and cylinder wall? If all cylinders are measuring correct diameter for +0.060 overbore how did that piston wear enough to give 0.022 clearance? Or did maybe that piston start out undersize from the begining? Just wondering.
Quote:
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09-14-2014, 11:34 PM | #23 |
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Re: Sympathy pains for Old Henry
I always consider 1 thousands at the bottom of the piston bore a decent runner. Hey If your looking for a set of nos barker high lifts for your exhaust rockers send me a pm.
Great wagon by the way. |
09-15-2014, 12:06 AM | #24 |
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Re: Sympathy pains for Old Henry
Chuck are you measuring the piston across the skirts?.022 is way to much clearance !
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09-15-2014, 12:14 PM | #25 | |
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Re: Sympathy pains for Old Henry
Quote:
As far as metal expansion rates, I do know this. That bit of info should have bubbled to the top when I was thinking of piston slap getting worse when hot.
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09-15-2014, 12:57 PM | #26 |
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Re: Sympathy pains for Old Henry
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09-15-2014, 03:20 PM | #27 |
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Re: Sympathy pains for Old Henry
1/4"?? Wow. That's what's a knockin' all right.
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09-16-2014, 02:15 AM | #28 |
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Re: Sympathy pains for Old Henry
1/4"side play in just one rod,wow,how is that possible without major wear or bad machining on the crank cheeks..This engine ran fine for years.How much side play in the other rods.I understand what you are saying,it rocks side to side 1/4"! I think you have found the problem.
Last edited by trainguy; 09-16-2014 at 10:31 AM. |
09-16-2014, 05:45 AM | #29 |
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Re: Sympathy pains for Old Henry
My guess the rod got bent when in stalling piston. If you had another engine for a piston and rod would get you going.
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09-16-2014, 01:39 PM | #30 |
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Re: Sympathy pains for Old Henry
Yup, if held at the center of the pin it rocks from side to side. The rod looks straight. The small rod end bushing is worn. The block, head, crank and the piston & rod assemblies are at the machine shop. This six is down for a complete rebuild. The condition of the head and rings dictate that it is time. Hopefully there are no fatal cracks that show up.
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09-22-2014, 04:06 PM | #31 |
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Re: Sympathy pains for Old Henry
It is a bit surprising this engine ran as good as it did until the knock showed up. The head work is in progress. Hardened seats, valve guides are on the list for that. I found out today that the block needs a sleeve. One cylinder was cracked. When all is done it will be a 227".
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10-06-2014, 07:24 AM | #32 |
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Re: Sympathy pains for Old Henry
Update:
The machine shop needed two weeks to do the work and get the required parts. The crack in #3 was circumferential near the top of the cylinder. It was low enough to catch the top comp ring. That cylinder is getting a sleeve. I will know today if I can get it back this week. In the mean time I cleaned the parts I have in prep for paint. Forum member Tinker sold me a set of Barker High lift rockers. Those are installed on the rocker shaft now.
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10-06-2014, 07:36 AM | #33 |
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Re: Sympathy pains for Old Henry
Thanks for keeping us posted Chuck. Sounds like progress is being made.
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10-11-2014, 07:41 PM | #34 |
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Re: Sympathy pains for Old Henry
Got it back from machining. It's now is a 226" OHV. Started the reassemby process. This should be a great runner.
BTW. Ol Ron knows his stuff! Hastings rings break in procedure on the box. " Tune engine to manufacturers specifications. Test run vehicle at 35MPH and accelerate at full throttle to from 35 to 55MPH. Repeat at least 10 times avoiding kick down on automatic transmission equipped vehicles. Cars may be driven normally after this although sustained high speed should be avoided. Trucks and tractors should be broken in on light duty if possible. Avoid lugging engine."
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You are never to old to enjoy your childhood. Forty1fordpickup on the HAMB. Last edited by 41ford1; 10-11-2014 at 08:06 PM. Reason: Added break in. |
10-12-2014, 08:08 AM | #35 |
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Re: Sympathy pains for Old Henry
That's the same instructions Hastings put out 45 years ago. Good to see your progress.
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10-12-2014, 01:16 PM | #36 |
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Re: Sympathy pains for Old Henry
Hastings... 'rebore-on-the-run'. Some of us here are surely old enough to remember.
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10-12-2014, 06:08 PM | #37 |
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Re: Sympathy pains for Old Henry
41ford1, glad to see your progress. I'm just a step ahead of you. Just put the engine back in on Friday. Hope to have it back on the road tomorrow or the next day.
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10-16-2014, 05:25 PM | #38 |
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Re: Sympathy pains for Old Henry
Finished the install today. Ran it long enough to warm it up. Set the timing and checked for leaks. It sounds good. Will do some break in runs tomorrow as it is raining hard today.
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10-16-2014, 05:39 PM | #39 |
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Re: Sympathy pains for Old Henry
Hope yours ends up better than mine did. (See my sad story here: http://www.fordbarn.com/forum/showthread.php?t=152238)
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Prof. Henry (The Roaming Gnome) "It is good to have an end to journey toward; but it is the journey that matters, in the end.” *Ursula K. Le Guin in The Left Hand of Darkness |
10-16-2014, 08:19 PM | #40 |
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Re: Sympathy pains for Old Henry
Looking very good Chuck!! You do nice work!!
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