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Holes in rail in front and behind jacking point

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Holes in rail in front and behind jacking point #1
PGJ73MGB Pete Janssen Middleton, WI, USA Sign in to contact 1971 MG MGB	Topic Creator (OP) Aug 20, 2014 02:00 PM Joined 11 years ago 108 Posts

Are these holes supposed to be here? I thought maybe for drainage but my buddy who is an MGB guy says no. Any other opinions? Best way to seal them up if they arent supposed to be there?
Thanks guys!
Pete

box section holes behind jack point.JPG 36.1 KB

box section holes in front jack point.JPG 37.4 KB

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Re: Holes in rail in front and behind jacking point #4
Steve Lyle Tulsa, OK, USA Sign in to contact 1972 Lotus Elan 1972 MG MGB	Aug 20, 2014 02:49 PM Joined 16 years ago 3,155 Posts

They're supposed to be there. You can now teach your "MGB-guy" buddy something.

Documenting my project in my journal at https://www.mgexp.com/home#journal

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Re: Holes in rail in front and behind jacking point #5
NOHOME P P O, ON, Canada Sign in to contact 1967 MG MGB GT "Maggie (GT From Hell)"	Aug 21, 2014 06:57 AM Top Contributor Joined 17 years ago 18,555 Posts

The one with the arc imprinted in the undercoating is not meant to be there. I agree with Ernie that it looks like it was drilled from the inside, but cant tell you why or even how unless you can show me a matching hole in the sill from above. Perhaps during a rustproofing session?

I have to think that the arc in the undercoat is not a coincidence?

Pete

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Re: Holes in rail in front and behind jacking point #6
RKM Richard Marcks Palm Desert, CA, USA Sign in to contact	Aug 21, 2014 08:09 AM Joined 15 years ago 1,982 Posts

Arc a mark from a hole saw? Maybe changed their mind.

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Re: Holes in rail in front and behind jacking point #7
PGJ73MGB Pete Janssen Middleton, WI, USA Sign in to contact 1971 MG MGB	Topic Creator (OP) Aug 21, 2014 10:01 AM Joined 11 years ago 108 Posts

Thanks for all the input. There was indeed a matching hole in the sill above, actually inside the door lip,not really in the sill, and the same set of holes on the opposite side of the car. I plugged the one in the car with a nylon plug and jb weld. Since that particular hole underneath is not stock, opinions on what to do about it? Is the original set of holes for drainage?
Pete

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Re: Holes in rail in front and behind jacking point #8
rocannon rocannon L Comanche County, OK, USA Sign in to contact 1967 MG MGB GT "GT From Hell"	Aug 21, 2014 10:19 AM Top Contributor Joined 14 years ago 12,664 Posts

Holes are for drainage. I'd leave the off center hole alone.

Pogo is right.
—————————————————————-
The power of reasons is an illusion. The belief will not change when the reasons are defeated. The causality is reversed. People believe the reasons because they believe in the conclusion.

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Re: Holes in rail in front and behind jacking point #9
NOHOME P P O, ON, Canada Sign in to contact 1967 MG MGB GT "Maggie (GT From Hell)"	Aug 21, 2014 11:52 AM Top Contributor Joined 17 years ago 18,555 Posts

Like I said, might have been the rustproof guys. Overzealous with the drill or just wanting two access holes. That would also explain the other side having the same holes.

As to what to do about it? I would clean up the burr on the exit wound with a countersink and go find something else to worry about. smileys with beer

Pete

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Re: Holes in rail in front and behind jacking point #10
PGJ73MGB Pete Janssen Middleton, WI, USA Sign in to contact 1971 MG MGB	Topic Creator (OP) Aug 21, 2014 11:56 AM Joined 11 years ago 108 Posts

Quote: As to what to do about it? I would clean up the burr on the exit wound with a countersink and go find something else to worry about.

Should be no problem there.... confused smiley

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Re: Holes in rail in front and behind jacking point #11
ozieagle Herb Adler Geelong Victoria, Australia Sign in to contact 1958 Wolseley 1500 "Wooly" 1966 MG MGB "Bl**dy B" 1995 Toyota Highlander "Hi Ace Van" 2022 MG ZS	Aug 21, 2014 02:18 PM Top Contributor Joined 13 years ago 15,856 Posts

I'd say that the holes are for rustproofing, as said above.

The attached diagram shows where to drill etc.

Herb

rust-proof-spray-points.jpg 49.5 KB

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Re: Holes in rail in front and behind jacking point #2
MGTONYGB Tony C London Uk, UK Sign in to contact	Aug 20, 2014 02:20 PM Top Contributor Joined 15 years ago 1,049 Posts

Re: Holes in rail in front and behind jacking point #3
ErnieY Ernie Y Albatera, Alicante, Spain Sign in to contact 1976 MG MGB GT	Aug 20, 2014 02:48 PM Top Contributor Joined 12 years ago 19,528 Posts

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