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Lower engine cover repair?

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Old 10-26-2022, 06:48 PM
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Default Lower engine cover repair?

Gents,

I was unable to safely avoid a piece of bouncing debris on track. It caused a fist-sized area of cracks in my lower engine cover. What's the best glue to make the repair? I was actually thinking of using a soldering iron.

Any suggestions would be greatly appreciated.
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Old 10-26-2022, 11:14 PM
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have you considered one of these?

www.ebay.com/itm/dildo_for_miata_owners/334454380284
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Old 10-27-2022, 09:35 AM
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I know of no adhesive that will work. Ethylene polymers don't glue well. I'd try SNS or a local part out house for a used cover.
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Old 10-27-2022, 07:51 PM
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I'm inside six days before leaving for my next event, so a repair is necessary.
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Old 10-29-2022, 01:18 AM
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Can you use a patch/thin strip pop rivetted in place, maybe some gunk if you want it sealed too? You might have to use longer pop rivets and washers to spread the load.
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Old 10-30-2022, 09:42 PM
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Are you talking about the lower timing cover? It’s possible to run without it if you need to order a replacement
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Old 10-30-2022, 09:53 PM
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Originally Posted by poormxdad
I'm inside six days before leaving for my next event, so a repair is necessary.
did you check the link I posted? It would be getting delivered tomorrow if you ordered it right away. It's better than any adhesive
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Old 10-31-2022, 07:29 AM
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I used a soldering iron and some scrap plastic I had from an old engine tray that I had cut up when I got the Kraftwerks Rotrex kit years ago. I used the scrap plastic like solder and did both sides. I did the work in the garage, and took this picture out in the sun. It looked like ****, so I went over the the whole repair with a wider soldering iron blade. Seems strong enough, but I probably could have gotten by without doing anything given the current temps.





Thanks for the inputs.
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Old 10-31-2022, 05:35 PM
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That will probably work, but if it were me (and it was a time ago) I would still reinforce it with a few thin strips of plastic or aluminium bolted or pop rivetted across the join.

I thought you were talking about something else.
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Old 10-31-2022, 08:41 PM
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Originally Posted by Gee Emm
That will probably work, but if it were me (and it was a time ago) I would still reinforce it with a few thin strips of plastic or aluminium bolted or pop rivetted across the join.

I thought you were talking about something else.
Yeah I think we all assumed he meant the lower timing cover and not the splash shield.
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