Re: Need help to remove stubborn screw in freeze plug.
[Re: galen]
#1665686
08/31/14 12:33 AM
08/31/14 12:33 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I am running a KP block in my drag boat. No block drains so I am pulling an aluminum 1 inch block plug from each bank and installing petcocks. One side came out easy. The other bank will not budge with a 24" breakover bar and 5/8 allen. plugs are going to round out. I have soaked it, tapped on it. Thought about drilling it. Am open for suggestions. I cool with lake water so I need to be able to drain and flush the block.
See if you can heat the area around it.. it might take
some time with the water in it
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Re: Need help to remove stubborn screw in freeze plug.
[Re: pittsburghracer]
#1665687
08/31/14 12:34 AM
08/31/14 12:34 AM
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Joined: Feb 2005
Posts: 20,158
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,158
PA.
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We dealt with rust, heat, and water a lot in the steel mill and sometimes we would have to tighten something before it would break loose.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: Need help to remove stubborn screw in freeze plug.
[Re: pittsburghracer]
#1665689
08/31/14 12:41 AM
08/31/14 12:41 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
|
Quote:
Quote:
Quote:
I am running a KP block in my drag boat. No block drains so I am pulling an aluminum 1 inch block plug from each bank and installing petcocks. One side came out easy. The other bank will not budge with a 24" breakover bar and 5/8 allen. plugs are going to round out. I have soaked it, tapped on it. Thought about drilling it. Am open for suggestions. I cool with lake water so I need to be able to drain and flush the block.
See if you can heat the area around it.. it might take
some time with the water in it
If I remember right those plugs have a rubber o-ring around them as they are not pipe thread.
Still wouldnt matter if it is the O-ring style.. see
if he can get the area to expand
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Re: Need help to remove stubborn screw in freeze plug.
[Re: MR_P_BODY]
#1665690
08/31/14 12:55 AM
08/31/14 12:55 AM
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Joined: Feb 2005
Posts: 20,158
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,158
PA.
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If all else fails and if you were planning on a 1/4 inch petcock you could probably center and peen and then drill it with a 27/64 drill bit and tap it for 1/4 inch pipe thread. See if the fitting or pipe nipple fits in the 5/8 allen slot. My preference would be a hex nipple to a pipe collar then the petcock. That would step it out some if you have the room.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: Need help to remove stubborn screw in freeze plug.
[Re: pittsburghracer]
#1665691
08/31/14 01:04 AM
08/31/14 01:04 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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If he cant get it out he might want to drill and tap it for a 1/2" pipe and put a bushing in it for 1/4".. that would clear the hex easy
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Re: Need help to remove stubborn screw in freeze plug.
[Re: pittsburghracer]
#1665692
08/31/14 01:10 AM
08/31/14 01:10 AM
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Joined: May 2009
Posts: 831
Missouri
galen
OP
super stock
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OP
super stock
Joined: May 2009
Posts: 831
Missouri
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Thanks for the suggestions. It is a tapered 1" NPT. Drilling and tapping for 1/4 pipe will work if I can't get it out. If I can get it out I have 1" to 1/2" NPT aluminum bushings with 1/2 inch petcocks. Will try some heat and hit it with my impact.
Last edited by galen; 08/31/14 01:30 AM.
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Re: Need help to remove stubborn screw in freeze plug.
[Re: BuckeyeBrawler]
#1665694
09/02/14 11:16 AM
09/02/14 11:16 AM
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Joined: Dec 2009
Posts: 20,627
in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,627
in a cattle trailer down by th...
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Have you tried harsh language?
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