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Intake Cooling Fitting

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Old Apr 8, 2022 | 06:25 PM
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Intake Cooling Fitting

1977 F750 391
Any magicians out there?
This intake water cooling hose fitting broke off pretty much flush with the manifold.
Not a straight shot to drill and tap. Hole is behind water pump and front cover and slightly offset.


Looks like crank pulley has to come off to get front cover off.
Front cover has bracket attached to front motor mount.
Too much trouble for freaking fitting.
Any ideas?
Also, where can I find info on aligning a distributor with proper timing order? Thnx.
 
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Old Apr 8, 2022 | 09:06 PM
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I had to cut a fitting like that to get it out of a water pump once. I needed to reuse the fitting, so I just cut the old water pump housing. Of cousre you need to reverse the process. See if you have a small diameter hack saw blade or just tape up a regular blade, put grease to catch the shavings and cut a groove in the pipe. Make sense? Even a sawzall blade that will fit inside the pipe will work, and way faster. Once the grove is cut (in the pipe), take a flat tip screwdriver and collapse the pipe in on itself and remove.


 
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Old Apr 8, 2022 | 09:19 PM
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That rusty, it might colapse with a pic ... or sharp awl pushed or driven in beside it between remains and the intake casting?

Hacksaw blade might do it too .... or a small grindstone like to sharpen a chain saw ... in a Dremel tool might work, just go easy.
 
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Old Apr 8, 2022 | 09:33 PM
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I thought about that suggestion first, but it you collapse it and it does not come out, then it is in your way to cut the groove. So I would cut the groove 1st, can't do anything but help.
 
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Old Apr 8, 2022 | 09:59 PM
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I don't know if the 391 390 manifolds are the same, but I have a 390 2v manifold you can have.
 
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Old Apr 8, 2022 | 10:53 PM
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Also a 1997 F750 391 is not normally in the 73-79 forum, but a Ford is a Ford and we try to help all on this forum.

Maybe the 97 F750 falls into or under the "Large Trucks" forum and those folks have a suggestion. https://www.ford-trucks.com/forums/forum232/
 
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Old Apr 9, 2022 | 09:31 AM
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Originally Posted by 77&79F250
I thought about that suggestion first, but it you collapse it and it does not come out, then it is in your way to cut the groove. So I would cut the groove 1st, can't do anything but help.
I was just thinking ... ooops, there I go again .... if the narrow sharp point of the awl is inserted between the outer wall of the rusty tube remains and the inner wall hole in the intake ... and driven a bit ... it has to crush inwards and then I'd just grab it with my small needle nose vice grips if it hasn't already fallen out.

The cutting of a groove ... if done too deep ... could lead to a leak ... but then sealant should handle that.
 
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Old Apr 9, 2022 | 09:54 AM
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I am never lucky enough for it to work out trying the easy route 1st. But your suggestion sounds solid enough to try.
 
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Old Apr 9, 2022 | 10:37 AM
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Thank you, but that is a new issue. The manifold is held in by bolts that are angled to the block. 4 of mine have the heads almost rusted off. 2 are accessible thru the valve cover with vice grips, but 2 have no internal access. Would have to drill and eazy out hopefully. Might go that route if fitting base cannot be removed.
 
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Old Apr 9, 2022 | 10:39 AM
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Will try the sharp awl once I grind with Dremel or so.
 
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Old Apr 9, 2022 | 10:43 AM
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Sorry, I meant 1977 F750 391.
 
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Old Apr 9, 2022 | 11:58 AM
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No need to be sorry, we all fat finger a key board every now and again. Keep us posted on the outcome, and best of luck.
 
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Old Apr 10, 2022 | 01:57 AM
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Are you going to rebuild this engine? Start spraying all of those bolts for the intake with something and exhaust manifold bolts too. Anything to help not break a bunch off. To get that fitting out, I would just start with small screw driver or picks and start caving the side inward to collapse it and dig it out.
 
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Old Apr 10, 2022 | 07:40 AM
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Not rebuilding totally. PO said it was rebuilt, but hasn't run in 8 years. Just going thru major stuff, cooling, fuel, brakes, exhaust, trying to at least get engine going to check out crane.
 
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Old Apr 11, 2022 | 10:19 AM
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Pretty much using PB blaster by the quart. Don't want to rebuild, just get it started and running. Going thru carb, radiator, cooling, fuel, brakes, exhaust basically.
 
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