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Rear end housing inspection plug install
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Blue71GT View Drop Down
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    Posted: 16-October-2011 at 6:15PM
I have a 70 Torino with the 8 inch rear end. I want to install an inspection plug on the back side of the housing so I have to drill a hole and tap it. Do I need anything on the backside to support the plug or will it seal enough when I tap it with a pipe tap. Reason for doing this is I don't have access to a 9 inch right now and have a 3.25 gear set out of a 63 Fairlane,  It doesn't have the fill plug on the third member.
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I'm going through this with my 77 Cougar. I was just going to bolt it together, leave an axle out, jack the car up so that axle was in the air, and fill the axle through the axle tube, lol. 
Paul
77 XR7 460/C6/3.00:1 *SOLD*
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'I also have some left over potatoes-I understand you can generate electricity from them'- Foote500
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75GranMan View Drop Down
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I wouldn't just tap the housing.i believe I've seen a weld in plug/sleeve assy.or I know it was either jeep or a dodge product that used a rubber push in plug.
John 75Gran Torino 4spd
Tighten it down until it snaps and then back it off a half turn!
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lynchster View Drop Down
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Originally posted by Psquare75 Psquare75 wrote:

I'm going through this with my 77 Cougar. I was just going to bolt it together, leave an axle out, jack the car up so that axle was in the air, and fill the axle through the axle tube, lol. 
 
Doesn't yours have a "fill" on the center section either?  
Chuck
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Blue71GT View Drop Down
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The only other thing I could do is drill and tap the center section housing so its normal like the regular ones or 67' and up. The axle housing seems a little thing to just tap and put in a plug though.  Thought about filling it through the vent tube too but that might take awhile.
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Originally posted by lynchster lynchster wrote:

Originally posted by Psquare75 Psquare75 wrote:

I'm going through this with my 77 Cougar. I was just going to bolt it together, leave an axle out, jack the car up so that axle was in the air, and fill the axle through the axle tube, lol. 
 
Doesn't yours have a "fill" on the center section either?  

OEM does.. but the center chunk I have from a 79 'swap meet rear axle with rear discs' does not. 
Paul
77 XR7 460/C6/3.00:1 *SOLD*
78 XR7 523/C6/3.5:1
79 F100 460/TKO500/3.25:1
'I also have some left over potatoes-I understand you can generate electricity from them'- Foote500
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i have filled thru the vent before, it can be done
-Pete
1972 montego GT
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Originally posted by ramair351 ramair351 wrote:

i have filled thru the vent before, it can be done
 
How did you know when you had enough? Did you add a pre-measured amount or...?
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Originally posted by Blue71GT Blue71GT wrote:

The only other thing I could do is drill and tap the center section housing so its normal like the regular ones or 67' and up. The axle housing seems a little thing to just tap and put in a plug though.  Thought about filling it through the vent tube too but that might take awhile.


The housing is too thin to tap. Can't even get one thread in it.
'72, GTSFB, 460, C6, 3.70
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you need to drill the hole and weld in a drain bung like this.just need to make sure it's steel                                                                                                                                                                                                                                           http://www.rjracecars.com/Drain-Plug-and-Bung-204101-Prodview.html
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What about one of those "add-a-drain' kits they sell for transmission pans.. Could do the housing with it on the back.
Paul
77 XR7 460/C6/3.00:1 *SOLD*
78 XR7 523/C6/3.5:1
79 F100 460/TKO500/3.25:1
'I also have some left over potatoes-I understand you can generate electricity from them'- Foote500
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Points: 2174 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mcford Quote  Post ReplyReply Direct Link To This Post Posted: 19-October-2011 at 8:31AM
Originally posted by ramair351 ramair351 wrote:

i have filled thru the vent before, it can be done

+1
Mike
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Blue71GT View Drop Down
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Thanks for the idea's, know how much an 8 inch takes? 2 or 2.5 qts.
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75GranMan View Drop Down
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 I checked with my jeep bud and he says jeep uses a rubber plug.IMO this is the fastest/ cheapest way to go.
John 75Gran Torino 4spd
Tighten it down until it snaps and then back it off a half turn!
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http://www.jegs.com/i/JEGS+Performance+Products/555/60136/10002/-1Here is what I am using for a filler




Edited by Grande Verde - 28-October-2011 at 4:08AM
Harry
72 GTS 351W
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