I have a set of vintage 1933/34 v8 spark plugs. I want to clean them and test them. The new plugs just do not have the same appearance. Strange but there are some really nice model A reproduction plugs that look great and work perfect but these are not for a v8, but only for a model A and Model B 4 cylinder ford engines. What is the best way to clean up these old plugs and test them?
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If you have one of these you can blast them but I recommend using light air as you can over blast them and loose the seal that is deep within the plug.
https://www.harborfreight.com/catalo...k+plug+cleaner
If you don't have one, well, you can use a bit of your favorite solvent and soft brush to get them clean.You wana look waaay far up da road and plan yer route because the brakes are far more of a suggestion than a command! -
Spark plug gag setting for 1933 v8 ford....0.030 in ?Comment
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3~ Tudor's & 1~ Coupe
Henry Ford said,
"It's all nuts and bolts"
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."
Mitch's Auto Service ctrComment
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Do you think soaking old spark plugs in this stuff would clean them?You do not have permission to view this gallery.
This gallery has 1 photos.Comment
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If you can't sand blast them, try spraying with carburetor cleaner and blowing them off. I have also hit them on a wire wheel, just be careful of the porcelain3~ Tudor's & 1~ Coupe
Henry Ford said,
"It's all nuts and bolts"
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."
Mitch's Auto Service ctrComment
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I'm spraying the spark heads with wd40 and soaking the heads in MMO, it seem to be dissolving the carbon, I will also brush with a brass wire brush. The ceramic bodies, I am cleaning with Lacquer thinner..They are getting real clean. Now these plugs are supposed to be able to be taken apart? Afraid to do that because of their age, thing may crack?Comment
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I would glass bead them. Protect the external porcelain from any media. Blast the electrodes as well, but don't shoot up into the hollow, aim your gun at a 90 degree angle. Then when clean, use a cold gun blue treatment to blacken the metal.Comment
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