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i need to plug the hole in the block where the old dipstick was,motor has a front sump on it now..any ideas..when i got the car the previous owner had the hole filled with silicone!
 

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small welch plug would be the easiest.... drill and tap with a allen head set screw would be next.....

Last would be...(not preferred) clean the hole.... fill with a epoxy putty, like : Plumbers epoxy, or PC7.....
 

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when i got the car the previous owner had the hole filled with silicone!
What wrong with the silicone?
Common way to do it.

If you find someone who purchase a GM crate engine with duel dipstick location, they may have the steel plug used for the drivers side dipstick. They come with a plug for both sides.
 

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I used silicone to seal mine with a 7/16 or 1/2. x 1" bolt...
 

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Or you could do like I saw the other day and just get a piece of wood dowel and drive it in there.:rolleyes:

Really, your local parts house should be able to get you a soft plug (looks like a little freeze plug) for a buck or so. Some of the small hardware stores will stock them as well.
 
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I used a piece of my finger :rotfl::rotfl::rotfl: Get it...... Piece :rotfl::rotfl::rotfl:
 

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not sure what size that hole is for a soft plug like a front oil galley plug? if not you can tap it for a 1/4" pipe plug.
 

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If you find someone who purchase a GM crate engine with duel dipstick location, they may have the steel plug used for the drivers side dipstick. They come with a plug for both sides.
small freeze plug!
x2
no need to tap it, thats just more work.
Clevite makes them, and you can go to napa/advance etc and get a freeze plug or expansion plug to fit perfect. Just set it in and use a punch to pound it in and seal.
I want to say 3/8 or 7/16. They are like 60 cents each.
I went through this with my v8 wagon 2 weeks ago.
 
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