Hell Hole Inspection Hole, How to check your longs from the inside |
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Hell Hole Inspection Hole, How to check your longs from the inside |
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 |
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) |
Arno914 |
Apr 5 2021, 03:46 AM
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#2
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Member Group: Members Posts: 233 Joined: 13-May 20 From: near Frankfurt, Germany Member No.: 24,260 Region Association: Germany |
I had my car treated with cavitiy wax some 30 years ago (thankfully). The waxed areas still look like back then.
For many years now I use "Fluid-Film" on all of my cars for protection of the cavities. It is a rather thin liquid based on natural oils and tends to creep for a long time. On my almost 30 year old BMW E30 there are no rust issues despite driving all year round with some salt on the road during winters here in Germany. Anything oily, greasy etc. will do good + regular cleaning of the underbody (remember all the grime and dirt collecting around the 914 jack posts?) |
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