06-05-2022, 10:42 PM | #1 |
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Stuck Head
OK guys, I'm about to break stuff, and I'm in a I don't care attitude!
I have been trying to remove a head that is stuck beyond reason. I have been working on it going onto day 5 tomorrow, which In have set to my limit. Either the head comes off tomorrow, or it getting cut off with a die grinder, I'm so done with this. I had to walk away from the car last night because I had a hammer in my hand and I started looking at the windshield. I have all but 4 studs removed. One is flush with the deck, and the other three just below the head. I have been digging between the copper trying to get out the insulator material. I can lift car off the ground while driving polycarbonate wedges. Rubber mallet, hitting blocks of wood with a mini jack. NOTHING Tomorrow, the plan is to remove the engine and cut the head into pieces unless someone has some magic trick up their sleeve. I have gone through a can of liquid wrench over the last two weeks while driving, and now I need a refill on my oxy/acet set up. Regards Bill |
06-06-2022, 12:30 AM | #2 |
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Re: Stuck Head
Put it back together with the head nuts a couple of turns off the head and start the engine. (no coolant, of course)
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06-06-2022, 12:43 AM | #3 |
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Re: Stuck Head
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06-06-2022, 06:05 AM | #4 |
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Re: Stuck Head
Heat each stud and put lard on them. This should break the seal around the studs and head.
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06-06-2022, 07:02 AM | #5 |
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Re: Stuck Head
Hello Bill CNC, stop! Take a deep breath, most of us have been in your shoes. I went through this 2 years ago with my newly purchased Victoria. I think my problem was that a previous repair involved drilling out a broken stud or two and helicoils (thread inserts) were installed. The problem was the holes and tapping was not perfect vertical to the block and the head was installed very tightly on the studs. It took me 4 hours to get the head off starting with putty knife, screw drivers and wedges of wood. I made a promise to myself that I would purchase a head removal tool from Snyders, part #A-6010-P. This tool will remove the head very quickly. Try to borrow one or purchase this part. It will save you the cost of a new head!! Good luck, Ed
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06-06-2022, 07:05 AM | #6 |
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Re: Stuck Head
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You might try a thin putty knife and hammer it into the head gasket in many places. It seems that someone has glued the head on.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
06-06-2022, 07:09 AM | #7 |
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Re: Stuck Head
Looks like I crossed posts with Ed.
If anyone out there is contemplating putting in helicoils, use an old scrap head to get the inserts in the right locations and vertical. Bolt the head down in a couple places and drill out the holes in the head to suit. The proper way is to use a mill and move the block to the exact correct position for each location. But if you do not have a mill the old head is the next best thing.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
06-06-2022, 08:16 AM | #8 |
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Re: Stuck Head
Use the rope trick, with #1 and #4 pistons down push 12 feet of 1/2 poly rope on top of the piston. You’ll need to use a stiff wire to push the rope over the pistons. Turn the engine over by hand compressing the rope, put a socket over the crank nut and then an extension and long breaker bar turn the engine. Don’t use the starter it has to much torque and you might bend a connecting rod .
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06-06-2022, 10:25 AM | #9 | |
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Re: Stuck Head
Quote:
Charlie Stephens |
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06-06-2022, 11:14 AM | #10 |
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Re: Stuck Head
What I have done is take a cherry picker or engine hoist and hook it to two spark plug eyelets for lifting the engine. You have to make sure you have it square to do this and apply equal force to each hole. The chances of breaking anything are slim to none.
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06-06-2022, 12:24 PM | #11 |
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Re: Stuck Head
I have found that when using my purchased head puller (Stipe) that after I get the initial 3/4 inch or so lift, remove the puller and put 3/8 inch dia bolts on top of the studs and re-do the head puller. I then, if needed, use 1-1/2 inch bolts to get it off the rest of the way. No drunken sailor language required.
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06-06-2022, 04:42 PM | #12 |
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Re: Stuck Head
I have seen difficult head removals. Why not try a head puller. I think you would have luck with this one from Snyders Model A Parts:
HEAD PULLER KIT Part # A-6010-PX | Model Year 28-34 Heavy duty head puller designed by Ron Cloat! Frees up the most stubborn Heads. Special plugs thread into spark plug holes that accept the supplied 1/2 grade 8 studs. Studs come up through the 3/8 thick steel plates that rest on top of the studs. Nuts threaded down on studs pull head up. |
06-06-2022, 04:43 PM | #13 |
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Re: Stuck Head
Couple of eye bolts in the spark plug holes then steady upward pull with the engine hoist. Gentle prying with putty knife to get it broken loose from the gasket, then wooden sticks the rest of the way. Keep clear of the valves!
Occasional strategic whacks with the dead blow hammer may also be needed. Can be helpful to remove the two long studs (coolant gooseneck) before proceeding. Important thing is to keep it square and not let it get canted side to side or front to back, it will bind up on the studs. I have several 1/4" by various widths wooden sticks that I use on their sides to support the head on the way up. That way I only have to lift it about a 1/4" at a time to get a new support in. JayJay
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06-06-2022, 09:34 PM | #14 | |
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Re: Stuck Head
Quote:
Helicoils...I agree with your method of using a dedicated head modified for the purpose. I have one hanging on the wall and use it as needed. Good Day! |
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06-07-2022, 05:06 AM | #15 |
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Re: Stuck Head
Good info in this thread: https://www.fordbarn.com/forum/showt...rt#post1997462
This also might be useful: https://www.brattons.com/BROKEN-HEAD...ductinfo/8235/ |
06-07-2022, 02:10 PM | #16 | |
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Re: Stuck Head
Quote:
I drilled and tapped the puller so I could add some ⅜" s/s all thread that line up with the studs and allow you to pull the head up until it is loose. Last edited by Y-Blockhead; 06-07-2022 at 02:25 PM. |
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06-08-2022, 08:09 AM | #17 |
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Re: Stuck Head
My head puller:
I started with a 8" x 12" × 1/2" piece of steel from the scrap yard at 35 cents/lb. 1. Drilled and tapped holes for 7/16-20 x 6" bolts that thread through the plate and sit on the 8 head studs surrounding spark plugs 2 & 3. I used a spare head to mark the needed holes. I used fully threaded 7/16-20 x 6" bolts but they are nearly impossible to find and pricey. You can use use 7/16" threaded rod with nuts welded on top. Don't use a larger diameter as it has to pass through the holes in the head, 2. Drilled two 1/2" thru-holes (not threaded) for bolts that screw into spark plug lift adapters *. 3. The brass 3/8" NPT hex nipples are used as alignment spacers that sit on the 4 head studs under the corners of the plate to keep it in place and aligned as it raises.The nipples may need to be slighty drilled out to slip easily slip over the bolts. I used it this morning and the head started to lift with just a couple of turns of the 8 bolts. Randomly tighten each of the eight bolts just a turn or two to keep the head level as is raises. When club members borrow this, they will thank you and bring you beer * The spark plug lift adapters are available from Snyders for $4 each. They are not in the catalog but ask for part# A-17022-LE. Or you can make your own from old spark plugs. |
06-10-2022, 09:00 AM | #18 |
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Re: Stuck Head
FINALLY!
I got the head off and it looks like I have one cracked exhaust valve about 1/4 of the diameter, and the head has a crack between #2 & #3 in the usual spot. Question is, do I replace just the one valve, or should I replace them all? Regards Bill |
06-10-2022, 09:25 AM | #19 | |
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Re: Stuck Head
Quote:
Do a complete valve job. Another potential problem taken care of. I learned this with age! |
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06-10-2022, 10:01 AM | #20 |
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Re: Stuck Head
If I go full set, should I go with the original mushroomed ended valves or the modern style? I'll be replacing them with the engine still in the car if possible.
Regards Bill |
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