05-15-2019, 12:53 PM | #101 | |
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Re: First Flathead Build
Quote:
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05-22-2019, 06:02 AM | #102 |
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Location: Spring, TX
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Re: First Flathead Build
These are mushroom valves. I’m still struggling with this. Am going to break down and buy the clip removal tool today. Will prolly be two weeks before it arrives...
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05-22-2019, 10:47 AM | #103 |
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Location: North Pole, Alaska
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Re: First Flathead Build
That cone shaped piece is not part of the valve, raise it up and the split keeper will fall out of place( may need a little help).
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05-22-2019, 10:55 AM | #104 |
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Re: First Flathead Build
"These are mushroom valves."
Those are not mushroom valves, the cup part (6534) is just part of the rotator. |
05-22-2019, 09:56 PM | #105 |
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Re: First Flathead Build
So I need to slide that cup upwards? I’ll give that a try tomorrow
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05-23-2019, 06:17 AM | #106 |
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Re: First Flathead Build
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Got the first one out. I leveled up on the fork and gave it a smack with the hammer. That got the keeper to move and the retainers just fell off. From there I levered out the spring aaaaand.... stuck again! That’s the valve guide from the top. I tried getting on it with the hammer and an extension but no dice. That’s it in the inside. I can easily get the fork on it now but as it fully engages there is nothing to lever against. Can’t get it to budge. I’ve soaked it with 50/50 and am off to work. Will try again tonight Sent from my iPhone using Tapatalk |
05-23-2019, 07:22 AM | #107 |
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Re: First Flathead Build
Your getting a lesson on how easy some flatheads can be to disassemble!!!!!
A large diameter brass or aluminum rod makes a good drive to get the guides out. |
05-23-2019, 07:23 AM | #108 |
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Join Date: Oct 2016
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Re: First Flathead Build
you can now use a crowbar with a block of wood to pry valve out. if you are lucky you wont bend it but i would figure on using new valves anyway.
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05-23-2019, 08:42 AM | #109 |
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Re: First Flathead Build
Just get a "conventional" valve spring compressor, those rotators and locks will come right out.
This is how we install all the valves during the reassembly, with a spring compressor. Ours is air-operated but a hand one will get it done also! Thanks, Gary in N.Y. P.S. Here's a shot (again) of the compressor at work, makes life easy.
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05-23-2019, 09:02 AM | #110 |
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Re: First Flathead Build
After you remove the lifters, drill 1/8 inch holes in the lifter bores to make adjustment easy.
Would be nice if those are original Johnson adjustable lifters. Don't throw them away. |
05-23-2019, 10:35 AM | #111 |
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Re: First Flathead Build
And be sure to drill the holes as low as possible so a punch, or drill rod will center in the slot on lifter when adjusting your valves. You’ll see when you finally get one of the lifters out.
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05-27-2019, 06:52 AM | #112 | |
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Re: First Flathead Build
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I’m going to circle back with you guys when I get to this stage. I’m having trouble getting the guides out still... I’ve got them soaking and give em a whack with a socket from the top every time I go by, but no joy yet Sent from my iPhone using Tapatalk |
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05-27-2019, 08:22 AM | #113 |
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Re: First Flathead Build
I think a brass or aluminum rod would be a better driver than a socket.
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05-27-2019, 04:28 PM | #114 | |
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Re: First Flathead Build
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Trouble is finding one. I’ve looked at my usual stops and they don’t carry them. I’ve got a long socket that I plan on beating to death. Good news is that things are starting to move! Sent from my iPhone using Tapatalk |
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05-27-2019, 05:32 PM | #115 |
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Re: First Flathead Build
LOL. I collect up different size and length rods to use. We have a surplus store that handles stock metal that is a good source.
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05-28-2019, 05:59 AM | #116 |
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Re: First Flathead Build
For stuff like this, I use a place called "ONLINEMETALS.COM". They have "samples" of just about anything you might want in the $3-$10 range. Be careful to keep your orders small enough so you can specify USPS shipping, or the freight charges will kill you.
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05-28-2019, 12:33 PM | #117 | |
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Re: First Flathead Build
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Great tip! Sent from my iPhone using Tapatalk |
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05-28-2019, 12:59 PM | #118 |
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Re: First Flathead Build
I use the same guide driver as I use on my Harley 45 flathead guides. It uses 11/32" ID guides too. This is a link to the KD 812 set that has an 11/32" driver size. https://www.ebay.com/itm/K-D-Tools-N...UAAOSws7xc0kQi
The KD 918 valve puller would likely work as well but I use it to pull the complete assemblies after I yank the horse shoe clips out.https://www.ebay.com/itm/VINTAGE-FOR...EAAOSwL9hc5ciz |
06-02-2019, 08:40 AM | #119 | |
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Re: First Flathead Build
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I see what you mean now. I had one complete assembly that pulled out from the top. Next time I’ll get the clip removal tool and do it that way. Sent from my iPhone using Tapatalk |
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06-02-2019, 08:42 AM | #120 | |
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Re: First Flathead Build
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Circling back! Finished the valves yesterday. And the lifters this morning Now where am I supposed to drill these holes? Don’t forget to clean up your tools when finished for the day! Sent from my iPhone using Tapatalk |
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