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Author
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Topic: Drain Plugs
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R&J MOTORSPORTS
Journeyman Posts: 94
From: Tampa,Fl.
Registered: Aug 2000
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posted 01-27-2002 11:07 AM
   
How is the best way to remove drain plugs in a block that have been in there a while. Thanx, Joe------------------
Joe Strunk NHRA SS/MA 2890 1964 SS/MA Comet 1965 PRO-Street Fairlane 1966 Fairlane Conv.
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Butch Jennings
Gearhead Posts: 633
From: No. California
Registered: Apr 2000
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posted 01-27-2002 01:30 PM
At the machine shop when we had plugs that were real bad, we would heat the area with a torch and then hit it with wax. I didn't believe it until I did it a few times, it works! The wax melts and runs down into the threads, it's amazing. Works way better than Liquid Wrench or any other penetrating oil I ever tried. We used Parawax in the blue box from the grocery store.------------------
Butch
460 powered 1967 Comet Cyclone
10.271 @ 130.069
Butcher's Home Page
"Friends don't let friends drive Chevys"
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Moneymaker
Administrator Posts: 27499
From: Lyons, IL, USA
Registered: May 99
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posted 01-27-2002 01:35 PM
Heat works. Even a propane torch will do the trick.  ------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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kcode
Gearhead Posts: 3288
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 01-27-2002 08:56 PM
If all else fails and the block is out of the car, a good old drill and easy out works Mike
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SteveLaRiviere
Administrator Posts: 45869
From: Saco, Maine
Registered: May 99
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posted 01-27-2002 09:07 PM
I recently removed a bolt I was sure was time welded in place. I finally got it out by putting some vise grips on it, heating it, and quenching it with Liquid Wrench and giving it little taps with a hammer to set up a vibration so the Liquid Wrench would penetrate it. I was shocked when it finally started to back out. I was getting ready to reach for nuclear weapons.------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
MCA Member # 47773
Of all the things I've lost, my mind is what I miss the most.
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SteveLaRiviere
Administrator Posts: 45869
From: Saco, Maine
Registered: May 99
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posted 01-27-2002 09:10 PM
Butch, I'll have to try that wax tip some time. ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
MCA Member # 47773
Of all the things I've lost, my mind is what I miss the most.
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Larry Jennings
Gearhead Posts: 540
From: Redwood City, Ca. USA
Registered: Apr 2000
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posted 01-27-2002 09:40 PM
An old guy told me that wintergreen oil from the drug store would get into the threads real easy, now after trying it a few times I can say with confidence "it don't work worth a dang" but it smells very nice  , maybe I'll put wax with it and it'll do both LOL!
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R&J MOTORSPORTS
Journeyman Posts: 94
From: Tampa,Fl.
Registered: Aug 2000
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posted 01-27-2002 10:02 PM
Thanx to all, I picked up a propane torch today and I will try with the wax, sounds like a good idea to me.------------------
Joe Strunk
NHRA SS/MA 2890
1964 SS/MA Comet
1965 PRO-Street Fairlane
1966 Fairlane Conv.
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Moneymaker
Administrator Posts: 27499
From: Lyons, IL, USA
Registered: May 99
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posted 01-27-2002 10:42 PM
Wintergreen oil?  What next, pine tree air fresheners for under hood odors?  ------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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Snake
Gearhead Posts: 459
From: British Columbia Canada
Registered: Jan 2002
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posted 01-29-2002 11:09 PM
CO2 fire extinguisher works well too.Used to use them to get manifold bolts out.
So cold it shrinks the bolts.------------------
Dave
Snake's Place
Car Shows
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Randy Wilson
Journeyman Posts: 21
From: Portland, Or USA
Registered: Feb 2001
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posted 01-30-2002 02:17 AM
I had good luck heating them till they just started to glow a bit red, and quenching with motor oil. I think wax would work also, but haven't tried it myself. I can say that this method works very well, and the plugs come out so easily you can hardly believe it after trying everything else. I am not sure a propane torch will get it hot enough, fast enough, without heating up the block as well. I used an oxy acetylene(spelling?) torch and was able to get the plug hot very quickly, then quenched just as fast. Good luck.
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