 Hell Hole Inspection Hole, How to check your longs from the inside |
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| Arno914 |
 Apr 3 2021, 10:56 AM
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#1
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Member  Group: Members Posts: 233 Joined: 13-May 20 From: near Frankfurt, Germany Member No.: 24,260 Region Association: Germany 
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Hello,
I am not sure if this has been discussed before. We have a "Hell Hole Inspection and Rustproofing Hole" on our cars. (IMG:style_emoticons/default/smile.gif) I found out while viewing pictures of NOS sheet metal from other members in this forum. (IMG:style_emoticons/default/dry.gif) Close to the rear trunk cross panel hidden under the big round plastic covers there is a rather big (Ø20mm) hole on each top side of the longs. Perfect for viewing with a probe and for rustproofing. Reaching down all the way to the bottom underneath the infamous hell hole. Enclosed are some (poor quality) pictures of my 71. Makes me happy to see almost no rust here. Cheers, Arno (IMG:http://www.914world.com/bbs2/uploads_offsite/up.picr.de-24260-1617469009.1.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/up.picr.de-24260-1617469011.2.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/up.picr.de-24260-1617469012.3.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/up.picr.de-24260-1617469013.4.jpg) |
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| 930cabman |
Apr 4 2021, 07:35 AM
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#2
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Advanced Member Group: Members Posts: 3,144 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States
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Thanks for the tip Arno, is there a recommended rust proofing agent for coating the insides? my gut tells me an light weight oil based product
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| bbrock |
Apr 4 2021, 09:13 AM
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#3
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(930cabman @ Apr 4 2021, 06:35 AM)  Thanks for the tip Arno, is there a recommended rust proofing agent for coating the insides? my gut tells me an light weight oil based product I lot of us use Eastwood internal frame coating but I always follow up with 3M Cavity Wax Plus (equivalent to waxoyl). I think cavity wax is superior to the frame coating so if I were to only use one, I'd go with the wax. When I pulled my car apart for resto, areas I had treated with cavity wax 30 years ago looked pristine compare to untreated adjacent areas that were riddled by tin worm. |
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Posts in this topic
Arno914 Hell Hole Inspection Hole Apr 3 2021, 10:56 AM
808 WRX I bet the people who didn't know about this ar... Apr 3 2021, 04:05 PM sixnotfour go deeper Apr 3 2021, 04:49 PM bkrantz Now that you know about the hole, you can "ac... Apr 3 2021, 08:52 PM
worn
Thanks for the tip Arno, is there a recommended r... Apr 4 2021, 08:20 AM
Arno914 I had my car treated with cavitiy wax some 30 year... Apr 5 2021, 03:46 AM |
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