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  #1  
Old 02-24-2013, 09:57 PM
WingsOnWheels WingsOnWheels is offline
 
Join Date: Mar 2009
Location: Plano, TX
Posts: 2,241
Default Engine Oil Return Port Options

In prep for my AntiSplat Aero separator that is en-route I have spent the last few days trying to remove the plug from my return port. I have been soaking it multiple times per day with liquid wrench and have tried moderate heat and a large breaker bar. I haven't been able to budge that plug. I left the allen socket in place since it amazingly hasn't stripped yet.

So, assuming I won't be able to get this thing out, is there any reason I shouldn't drill and tap the governor drive blockoff plate and use that instead? I don't have the drive adapter installed so it is just an open hole with the cover removed.

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  #2  
Old 02-24-2013, 10:39 PM
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CharlieWaffles CharlieWaffles is offline
 
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Location: West Linn, Oregon
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Default

I had a VERY hard time getting that port opened myself for the same need. I got a good size propane torch from Home Depot and flamed it for 2-3 minutes and it came out super easy. So my recommendation is to try a larger torch. A small bench top super cigarette lighter won't do it. I used this one http://m.homedepot.com/p/Bernzomatic...879/203368720/
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  #3  
Old 02-24-2013, 10:57 PM
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schristo@mac.com schristo@mac.com is offline
 
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Location: WA
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Default Set a heat gun on it for a few minutes...

A bit less stressful than using an open flame... Try setting a heat gun on it for a few minutes.
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  #4  
Old 02-25-2013, 06:09 AM
WingsOnWheels WingsOnWheels is offline
 
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Quote:
Originally Posted by schristo@mac.com View Post
A bit less stressful than using an open flame... Try setting a heat gun on it for a few minutes.
I have already tried the heat gun approach set on high. I'll give it another shot and let it run longer. If that doesn't work I'll move up to the torch.

Any thoughts on adding a port to the cover as a last resort?
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  #5  
Old 02-25-2013, 08:25 AM
Ralph Inkster Ralph Inkster is offline
 
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Location: Calgary, Alberta
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Default Plug

As a last ditch option, you could drill & tap a pipe thread into the prop governor cover plate.
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  #6  
Old 02-25-2013, 01:00 PM
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Dennis_I Dennis_I is offline
 
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Location: Sweden, 67" North
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Default

Use some screwgrabber on the allen socket before it is to late, just in case
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  #7  
Old 02-26-2013, 05:45 AM
WingsOnWheels WingsOnWheels is offline
 
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[Thank you very much for all the input. I'll give it another go when I get home today and see what happens.
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  #8  
Old 02-26-2013, 05:54 AM
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Walt Walt is offline
 
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I know it's scary to break out the torch but that's what you need here, even the best heat gun won't cut it for this task
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  #9  
Old 02-26-2013, 06:50 AM
WingsOnWheels WingsOnWheels is offline
 
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Quote:
Originally Posted by Walt View Post
I know it's scary to break out the torch but that's what you need here, even the best heat gun won't cut it for this task

Yeah, I guess it is about time to break out the big guns. I was more worried about hurting something else near by like the engine mout rubber. I'll throw some scrap aluminum around the area to keep the direct heat away from the important bits and see what happens.
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Complete 5/10/19
PP SEL / A&P
I donate every year on my B-Day (in Dec), but donated early in Sep'19.
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  #10  
Old 02-26-2013, 08:48 AM
dealfair dealfair is offline
 
Join Date: Feb 2006
Location: George West, TX
Posts: 567
Default

Colin, I ran into the exact same problem and have decided to tee into the oil return line under the #3 cylinder.

I don't want to fight that plug anymore.

Cheers,
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