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04-15-2020, 11:45 AM | #101 |
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Re: EOG's 1928 Model A Pickup
Hole is for vacuum wipers, also sometimes used to spray in water mist while motor running to attempt to clean carbon/soot out of the combustion chamber/valves/plugs. Also can spray Marvel Mystery oil or Seafoam in an attempt to free sticky valves. In addition both can be added to gas for sticky valves.
Attach a vacuum gauge there for diagnostics/troubleshooting. https://www.fordbarn.com/forum/showt...ge+diagnostics https://www.fordbarn.com/forum/showt...t=Vacuum+chart |
04-15-2020, 11:49 AM | #102 |
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Re: EOG's 1928 Model A Pickup
If new gaskets use the copper clad.
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04-15-2020, 05:30 PM | #103 | |
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Re: EOG's 1928 Model A Pickup
Quote:
I realize your suggestion of having machine shop work done is probably the most perfect way to accomplish this but, I do have budget considerations. Thank you for your thoughts on this..... My neighbor has volunteered to help me tow the '28 truck to my home.....where I have access to my tools. Probably another week, or so.....before I can tow it here. EOG Last edited by Eccentric Old Guy; 04-15-2020 at 05:35 PM. |
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04-15-2020, 05:36 PM | #104 |
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Re: EOG's 1928 Model A Pickup
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04-15-2020, 06:11 PM | #105 |
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Re: EOG's 1928 Model A Pickup
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04-15-2020, 06:13 PM | #106 | |
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Re: EOG's 1928 Model A Pickup
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Quote:
Charlie Stephens |
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04-15-2020, 10:11 PM | #107 |
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Re: EOG's 1928 Model A Pickup
I think you should wait to do that repair until you are able to do it correctly. You don't have to use a machine shop unless the pRTS ARE ON A DIFFERENT PLANE. A FRACTIONAL AMOUNT CAN BE ABSORBED BY THE GASKET (oops cap lock). Just use it as is for now and get to know your machine.
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04-16-2020, 12:47 AM | #108 |
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Re: EOG's 1928 Model A Pickup
I will let others comment on this post as this is based on reading, not actual experience.
Thought I read somewhere that it is permissible to replace one or both manifolds, and not bolt them together. Make sure each are somewhat flat with a fine file, and use the copper clad gaskets, torque bolts to 35 lbs. Most of the time they will be OK. Use the gland rings on the exhaust manifold to prevent # 4 cylinder exhaust manifold sagging issue.. For the carb/Manifold connection, Tillotson carbs have a tendency to warp because they are pot metal, use sand paper taped to a piece of glass to flatten the carb flange (zenith and Tillotson). and on the intake manifold flange surface. Use the thin paper/cardboard style gasket, do not over torque the carb bolts. Not a lot of torque is required since it only has to seal the very low vacuum in the intake manifold. |
04-16-2020, 06:58 AM | #109 | |
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Re: EOG's 1928 Model A Pickup
Quote:
EOG |
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04-16-2020, 07:04 AM | #110 | |
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Re: EOG's 1928 Model A Pickup
Quote:
It's going to be at least a week before I can get started on this.....later, my friend! EOG |
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04-16-2020, 07:07 AM | #111 | |
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Re: EOG's 1928 Model A Pickup
Quote:
That's something to think about as well, JF......thanks for the input. I guess I still have the option of doing a better jury-rig to make a seal of carb to intake manifold for now. If I can get it running that way, the manifold machining can always be done later, I suppose. EOG Last edited by Eccentric Old Guy; 04-16-2020 at 07:12 AM. |
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04-16-2020, 10:54 AM | #112 |
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Re: EOG's 1928 Model A Pickup
First you bolt the 2 manifolds together and then check that all the faces (6) that contact the block are in the same plane..
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